Contents Wiring diagrams Section: Seats All sections

Seat Frames (sedan) Audi A4 B8

Seats 215 illustrations ~31550 words

SEAT VERSIONS OVERVIEW

Note. The front seats shown in the illustration are standard seats (manually adjustable) with the rear seat with a foldable backrest.

Scheme 59

Scheme 59: SEAT VERSIONS OVERVIEW
  1. Front Passenger Seat Standard seat (manual) Assembly overview, refer to «MANUAL (STANDARD) FRONT SEAT OVERVIEW»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__manual-standard-front-seat-overview) Removing and installing, refer to «MANUAL STANDARD FRONT SEAT»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__manual-standard-front-seat) Optional equipment: Seat and backrest heating Four-way lumbar support Storage compartment LATCH child seat anchor Power Standard Seat Assembly overview, refer to «POWER STANDARD FRONT SEAT OVERVIEW»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__power-standard-front-seat-overview) Removing and installing, refer to «POWER STANDARD FRONT SEAT»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__power-standard-front-seat) Optional equipment: Memory function Seat and backrest heating Storage compartment LATCH child seat anchor Comfort Seats (Power) Assembly overview, refer to «POWER STANDARD FRONT SEAT OVERVIEW»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__power-standard-front-seat-overview) Removing and installing, refer to «POWER STANDARD FRONT SEAT»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__power-standard-front-seat) Optional equipment: Memory function LATCH child seat anchor Manual Sport Seat with Seat Depth Adjuster Assembly overview, refer to «MANUAL (STANDARD) FRONT SEAT OVERVIEW»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__manual-standard-front-seat-overview) Removing and installing, refer to «MANUAL STANDARD FRONT SEAT»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__manual-standard-front-seat) Optional equipment: Seat and backrest heating Seat angle adjustment Four-way lumbar support LATCH child seat anchor Power Sport Seat with Seat Depth Adjuster Assembly overview, refer to «POWER STANDARD FRONT SEAT OVERVIEW»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__power-standard-front-seat-overview) Removing and installing, refer to «POWER STANDARD FRONT SEAT»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__power-standard-front-seat) Optional equipment: Memory function Seat and backrest heating LATCH child seat anchor Super Sport Seats (Power) Assembly overview, refer to «SUPER SPORT FRONT SEAT OVERVIEW»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__super-sport-front-seat-overview) Removing and installing, refer to «POWER STANDARD FRONT SEAT»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__power-standard-front-seat) Optional equipment: Memory function Seat and backrest heating LATCH child seat anchor
  2. Side Airbag, Front Passenger Side With the front passenger side airbag igniter -N200- Assembly overview, refer to «FRONT SIDE AIRBAG OVERVIEW»(/audi/a4/b8-2007-2012/remont/airbag/#passenger-protection-airbags-seat-belts-sedan) Removing and installing, refer to «FRONT THORAX AIRBAG IGNITER -N199- / -N200»(/audi/a4/b8-2007-2012/remont/airbag/#passenger-protection-airbags-seat-belts-sedan__front-thorax-airbag-igniter-n199)
  3. Rear Passenger Side Airbag With the rear passenger side airbag igniter -N202- Assembly overview, refer to «REAR SIDE AIRBAG OVERVIEW»(/audi/a4/b8-2007-2012/remont/airbag/#passenger-protection-airbags-seat-belts-sedan) Removing and installing, refer to «DRIVER SIDE REAR THORAX AIRBAG IGNITER -N201- AND FRONT PASSENGER REAR THORAX AIRBAG IGNITER -N202»(/audi/a4/b8-2007-2012/remont/airbag/#passenger-protection-airbags-seat-belts-sedan__driver-side-rear-thorax-airbag-igniter)
  4. 2/3 Right Backrest Assembly overview, refer to «DIVIDED BACKREST OVERVIEW»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__divided-backrest-overview) Removing and installing, refer to «DIVIDED BACKREST»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__divided-backrest) Optional equipment: With center armrest and without storage compartment (backrest cover and trim) With center armrest and storage compartment (lockable backrest cover) With center armrest and pass-through cover
  5. Center Armrest Versions with Backrest Cover and Trim There is no pass-through in the right 2/3 backrest Assembly overview, refer to «CENTER ARMREST WITH COVER AND TRIM OVERVIEW»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan) The center armrest as well as the backrest cover and trim can only be removed and installed separated. Center armrest, removing and installing, refer to «CENTER ARMREST, SPLIT BACKREST»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__center-armrest-split-backrest) Backrest cover, removing and installing, refer to «BACKREST COVER»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan) Backrest trim, removing and installing, refer to «BACKREST TRIM»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__backrest-trim) Versions with Storage Compartment (Armrest with Lockable Cover) There is no pass-through in the right 2/3 backrest Assembly overview, refer to «CENTER ARMREST AND LOCKABLE STORAGE COMPARTMENT OVERVIEW»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan) The center armrest and storage compartment can only be removed and installed separately Center armrest, removing and installing, refer to «CENTER ARMREST, SPLIT BACKREST»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__center-armrest-split-backrest) Storage compartment (armrest with lockable cover), removing and installing, refer to «LOCKABLE ARMREST STORAGE COMPARTMENT»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__lockable-armrest-storage-compartment) Versions with Pass-Through Door Assembly overview, refer to «CENTER ARMREST WITH PASS-THROUGH COVER OVERVIEW»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan) Removing and installing, refer to «CENTER ARMREST, PASS-THROUGH»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__center-armrest-pass-through)
  6. Left 1/3 Backrest Assembly overview, refer to «DIVIDED BACKREST OVERVIEW»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__divided-backrest-overview) Removing and installing, refer to «DIVIDED BACKREST»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__divided-backrest)
  7. Rear Driver Side Airbag With the rear driver side airbag igniter -N201- Assembly overview, refer to «REAR SIDE AIRBAG OVERVIEW»(/audi/a4/b8-2007-2012/remont/airbag/#passenger-protection-airbags-seat-belts-sedan) Removing and installing, refer to «DRIVER SIDE REAR THORAX AIRBAG IGNITER -N201- AND FRONT PASSENGER REAR THORAX AIRBAG IGNITER -N202»(/audi/a4/b8-2007-2012/remont/airbag/#passenger-protection-airbags-seat-belts-sedan__driver-side-rear-thorax-airbag-igniter)
  8. Bench Seat One-Piece Assembly overview, refer to «BENCH SEAT OVERVIEW»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan) Removing and installing, refer to «BENCH SEAT»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__bench-seat) Version with Center Storage Assembly overview, refer to «BENCH SEAT OVERVIEW»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan) Removing and installing, refer to «BENCH SEAT»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__bench-seat) Super Sport Seat Assembly overview, refer to «BENCH SEAT OVERVIEW»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan) Removing and installing, refer to «BENCH SEAT»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__bench-seat)
  9. Side Airbag, Driver Side With the driver side airbag igniter -N199- Assembly overview, refer to «FRONT SIDE AIRBAG OVERVIEW»(/audi/a4/b8-2007-2012/remont/airbag/#passenger-protection-airbags-seat-belts-sedan) Removing and installing, refer to «FRONT THORAX AIRBAG IGNITER -N199- / -N200»(/audi/a4/b8-2007-2012/remont/airbag/#passenger-protection-airbags-seat-belts-sedan__front-thorax-airbag-igniter-n199)
  10. Driver Seat Standard Seat (Manual) Assembly overview, refer to «MANUAL (STANDARD) FRONT SEAT OVERVIEW»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__manual-standard-front-seat-overview) Removing and installing, refer to «MANUAL STANDARD FRONT SEAT»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__manual-standard-front-seat) Optional equipment: Seat and backrest heating Four-way lumbar support Storage compartment Power Standard Seat Assembly overview, refer to «POWER STANDARD FRONT SEAT OVERVIEW»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__power-standard-front-seat-overview) Removing and installing, refer to «POWER STANDARD FRONT SEAT»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__power-standard-front-seat) Optional equipment: Memory function Seat and backrest heating Storage compartment Comfort Seats (Power) Assembly overview, refer to «POWER STANDARD FRONT SEAT OVERVIEW»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__power-standard-front-seat-overview) Removing and installing, refer to «POWER STANDARD FRONT SEAT»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__power-standard-front-seat) Optional equipment: Memory function Manual Sport Seat with Seat Depth Adjuster Assembly overview, refer to «MANUAL (STANDARD) FRONT SEAT OVERVIEW»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__manual-standard-front-seat-overview) Removing and installing, refer to «MANUAL STANDARD FRONT SEAT»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__manual-standard-front-seat) Optional equipment: Seat and backrest heating Four-way lumbar support Seat angle adjustment Power Sport Seat with Seat Depth Adjuster Assembly overview, refer to «POWER STANDARD FRONT SEAT OVERVIEW»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__power-standard-front-seat-overview) Removing and installing, refer to «POWER STANDARD FRONT SEAT»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__power-standard-front-seat) Optional equipment: Memory function Seat and backrest heating Super Sport Seats (Power) Assembly overview, refer to «SUPER SPORT FRONT SEAT OVERVIEW»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__super-sport-front-seat-overview) Removing and installing, refer to «POWER STANDARD FRONT SEAT»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__power-standard-front-seat) Optional equipment: Memory function Seat and backrest heating

FRONT SEATS, BRINGING INTO THE SERVICE POSITION

Special tools and workshop equipment required

  1. Trim Removal Wedge 3409

Service Position, Implementing

Scheme 60

Scheme 60

Bring headrest into lowest lock position.

Move seat as far back and up as possible.

Note. For the sake of clarity, the figure does not show the surrounding area.

If equipped, pry the caps -1- from off the seat rail -2- using the 3409.

Unclip the front cover -1- with 3409 and pull cover in the direction of the -arrow- off connector station -2-.

Scheme 61

Scheme 61

Note. Do not disconnect electrical wires.

Service Position, Resetting

Install in reverse order of removal. Note the following

Make sure the cover tab slides into connector station correctly.

Engage the cover correctly with the connector station.

FRONT SEATS, INSTALLING ON THE FIXTURE FOR SEAT REPAIR VAS 6136

Special tools and workshop equipment required

  1. Engine and Transmission Holder VAS 6095
  2. Fixture for Seat Repair VAS 6136

Installing the front seat on the VAS 6136

  1. The front seat is removed from the vehicle.

Mount the VAS 6136 on the VAS 6095.

Attach the front seat to the VAS 6136.

CONNECTOR STATION CONNECTORS OVERVIEW

Connector routing

Scheme 62

Scheme 62: CONNECTOR STATION CONNECTORS OVERVIEW
  1. Side airbag
  2. Seat heating
  3. Seat adjustment power supply
  4. Belt latch

Note. The number of harness connectors may vary depending on the equipment. The description shows the version with the most equipment.

ELECTRICAL AND ELECTRONIC COMPONENTS OVERVIEW

The assembly overview shows the power Standard front seat. The electrical and electronic components on the manual Standard front seat are similar.

FOUR-WAY LUMBAR SUPPORT OVERVIEW

The assembly overview shows the power Standard front seat. The four-way lumbar support of the manual standard front seat is similar.

FRONT BACKREST OVERVIEW

Note. The assembly overview is based on a standard front seat. The front backrest on other versions is similar.

Scheme 63

Scheme 63: FRONT BACKREST OVERVIEW
  1. Seat Pan
  2. Screws Self-locking Always replace if removed Threaded holes for screws must be cleaned, for example, with thread cutter 33 Nm
  3. Backrest Removing and installing, refer to «BACKREST FRONT»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__backrest-front)
  4. Headrest Manual Headrests, removing and installing, refer to «HEADRESTS WITH LOCKING MECHANISM»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__headrests-with-locking-mechanism) Power Headrests, removing and installing, refer to «POWER HEADRESTS»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan)
  5. Wiring Harness Running from the side airbag to the connector station. Depending on optional equipment, there may be more wiring harnesses, such as for seat heating, lumbar support, etc.
  6. Screws Self-locking Replace 33 Nm

Scheme 64

Scheme 64

Tighten the retaining plate screws -2- to 6 Nm.

Scheme 65

Scheme 65

Tighten nut -2- to 0.4 Nm.

HEADREST OVERVIEW

Note. The assembly overview shows the Standard front seat. The headrest is similar for the manual sport front seat (manually adjustable. The illustration does not show the backrest cover and upholstery.

Scheme 66

Scheme 66: HEADREST OVERVIEW
  1. Front Backrest
  2. Headrest Guide Without release button Removing and installing, refer to «HEADREST GUIDE»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__headrest-guide) Always installed on right side of backrest
  3. Headrest Removing and installing, refer to «HEADRESTS WITH LOCKING MECHANISM»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__headrests-with-locking-mechanism)
  4. Headrest Guide With release button Removing and installing, refer to «HEADREST GUIDE»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__headrest-guide) Always installed on left side of backrest

LUMBAR SUPPORT CURVATURE AND HEIGHT ADJUSTMENT MOTORS OVERVIEW

The assembly overview shows the power standard front seat. The lumbar support curvature and height adjustment motors for the manual standard front seat (manually adjustable) are similar.

LUMBAR SUPPORT ADJUSTMENT SWITCH OVERVIEW

The assembly overview shows the power standard front seat. The lumbar support adjustment switches on the manual Standard front seat are similar.

MANUAL (STANDARD) FRONT SEAT OVERVIEW

Note. The overview is based on the driver seat. The passenger seat is similar and the components are installed reversed from left to right. The illustration does not show the floor covering.

Scheme 67

Scheme 67: MANUAL (STANDARD) FRONT SEAT OVERVIEW
  1. Storage Compartment Vehicles with special equipment Assembly overview, refer to «STORAGE COMPARTMENT OVERVIEW»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan) Removing and installing, refer to «STORAGE COMPARTMENT»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan)
  2. Seat Forward/Back Adjuster Assembly overview, refer to «SEAT FORWARD/BACK ADJUSTER OVERVIEW»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__seat-forwardback-adjuster-overview) Removing and installing, refer to «SEAT FORWARD/BACK ADJUSTMENT HANDLE»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__seat-forwardback-adjustment-handle)
  3. Cover For the front right seat rail Removing and installing, refer to «SEAT RAIL COVER»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__seat-rail-cover)
  4. Bolt 50 Nm
  5. LATCH Child Seat Anchor Vehicles with special equipment For the front passenger seat only Assembly overview, refer to «LATCH CHILD SEAT ANCHORAGE, FRONT SEAT OVERVIEW»(/audi/a4/b8-2007-2012/remont/airbag/#passenger-protection-airbags-seat-belts-sedan) Removing and installing, refer to «LATCH CHILD SEAT ANCHORAGE FRONT SEAT»(/audi/a4/b8-2007-2012/remont/airbag/#passenger-protection-airbags-seat-belts-sedan__latch-child-seat-anchorage-front-seat) Check after accident. Refer to «LATCH AND TOP TETHER CHILD SEAT ANCHORAGES (ISOFIX), CHECKING AFTER COLLISION»(/audi/a4/b8-2007-2012/remont/airbag/#passenger-protection-airbags-seat-belts-sedan__latch-and-top-tether-child-seat)
  6. Tunnel Side Trim Removing and installing, refer to «TRIM, TUNNEL SIDE»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__trim-tunnel-side)
  7. Bolt 50 Nm
  8. Standard Front Seat (Manual) Removing and installing, refer to «MANUAL STANDARD FRONT SEAT»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__manual-standard-front-seat)
  9. Headrest Manual Assembly overview, refer to «HEADREST OVERVIEW»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__headrest-overview) Removing and installing, refer to «HEADRESTS WITH LOCKING MECHANISM»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__headrests-with-locking-mechanism)
  10. Cover For the rear right seat rail Removing and installing, refer to «SEAT RAIL COVER»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__seat-rail-cover)
  11. Backrest Adjustment Wheel Removing and installing, refer to «BACKREST ADJUSTMENT WHEEL»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__backrest-adjustment-wheel)
  12. Bolt 50 Nm
  13. Cover For the rear left seat rail Removing and installing, refer to «SEAT RAIL COVER»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__seat-rail-cover)
  14. Lower Seat Pan Frame There is no separation between the seat pan lower frame with a seat forward/back adjuster and the seat pan upper frame on the standard front seat (manual).
  15. Seat Height Adjuster Assembly overview, refer to «SEAT HEIGHT ADJUSTER AND SEAT HEIGHT ADJUSTMENT HANDLE OVERVIEW»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__seat-height-adjuster-and-seat-height) Removing and installing, refer to «SEAT HEIGHT ADJUSTMENT»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__seat-height-adjustment)
  16. Sill-Side Trim Removing and installing, refer to «TRIM, SILL SIDE»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__trim-sill-side)
  17. Driver Seat Lumbar Support Adjustment Switch -E176- Front passenger side: front passenger seat lumbar support adjustment switch -E177- Vehicles with special equipment Assembly overview, refer to «LUMBAR SUPPORT ADJUSTMENT SWITCH OVERVIEW»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan) Lumbar support adjustment switch, removing and installing, refer to «LUMBAR SUPPORT ADJUSTMENT SWITCH»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan) Four-way lumbar support, removing and installing, refer to «FOUR-WAY LUMBAR SUPPORT»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan)
  18. Cover For connector station Removing and installing, refer to «FRONT SEATS, BRINGING INTO THE SERVICE POSITION»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__front-seats-bringing-into-the-service)
  19. Connector Station Connector routing, refer to «CONNECTOR STATION CONNECTORS OVERVIEW»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__connector-station-connectors-overview)
  20. Cover For the front left seat rail Removing and installing, refer to «SEAT RAIL COVER»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__seat-rail-cover)
  21. Bolt 50 Nm
  22. Corrugated Pipe For modular wiring routing Assembly overview, refer to «MODULAR WIRE ROUTING OVERVIEW»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__modular-wire-routing-overview) Modular wiring with corrugated tube on front seat, refer to «MODULAR WIRE ROUTING WITH RIDGED TUBE ON FRONT SEAT»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__modular-wire-routing-with-ridged-tube)

Scheme 68

Scheme 68: MODULAR WIRE ROUTING OVERVIEW
  1. Front Seat
  2. Wiring Bracket Note location. Refer to «MODULAR WIRE ROUTING WITH RIDGED TUBE ON FRONT SEAT»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__modular-wire-routing-with-ridged-tube)
  3. Corrugated Pipe Lower Shell Note location. Refer to «MODULAR WIRE ROUTING WITH RIDGED TUBE ON FRONT SEAT»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__modular-wire-routing-with-ridged-tube)
  4. Wiring Harness Observe notes for routing wiring harness in corrugated pipe. Refer to «MODULAR WIRE ROUTING WITH RIDGED TUBE ON FRONT SEAT»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__modular-wire-routing-with-ridged-tube)
  5. Corrugated Pipe Upper Shell Note location. Refer to «MODULAR WIRE ROUTING WITH RIDGED TUBE ON FRONT SEAT»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__modular-wire-routing-with-ridged-tube)

ONE-SECTION BACKREST COVER OVERVIEW

Note. The assembly overview shows the Standard front seat. The backrest cover of the other seat versions is identical. The illustration shows a backrest cover without a storage net.

Scheme 69

Scheme 69: ONE-SECTION BACKREST COVER OVERVIEW
  1. Front Seat
  2. Upper Hook Quantity: 2
  3. Backrest Cover Vehicles with special equipment Removing and installing, refer to «BACKREST COVER (SECTION ONE)»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__backrest-cover-section-one)
  4. Lower Hook Quantity: 2
  5. Hook, Bottom Side Quantity: 2
  6. Tab, Upper Side Quantity: 2

SEAT ANGLE ADJUSTER OVERVIEW

The overview shows a manual sport front seat. The seat angle adjuster is similar for the manual standard front seat. Refer to SEAT ANGLE ADJUSTER OVERVIEW .

SEAT FORWARD/BACK ADJUSTER OVERVIEW

Note. There is no separation between the seat pan lower frame with a seat forward/back adjuster and the seat pan upper frame on the standard front seat (manual).

Scheme 70

Scheme 70: SEAT FORWARD/BACK ADJUSTER OVERVIEW
  1. Front Seat
  2. Seat Forward/Back Adjuster Part of seat pan lower frame Not replaced separately
  3. Seat Forward/Back Adjuster Release Cable Removing and installing, refer to «SEAT FORWARD/BACK ADJUSTER RELEASE CABLE»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__seat-forwardback-adjuster-release-cable) It is not possible to adjust the release cable
  4. Clip or Cable Tie
  5. Handle For seat forward/back adjustment Removing and installing, refer to «SEAT FORWARD/BACK ADJUSTMENT HANDLE»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__seat-forwardback-adjustment-handle)
  6. Retaining Clip Replace the seat forward/back adjustment handle each time it is removed Note location, refer to «SEAT FORWARD/BACK ADJUSTMENT HANDLE»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__seat-forwardback-adjustment-handle) .
  7. Actuator For seat forward/back adjustment
  8. Spring For lever for seat forward/back adjuster release cable retainer Different components for driver and front passenger side Removing and installing, refer to «RELEASE CABLE MOUNT LEVER AND SEAT FORWARD/BACK ADJUSTMENT SPRING»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__release-cable-mount-lever-and-seat)
  9. Lever For seat forward/back adjuster release cable retainer Same part for driver and front passenger seat Removing and installing, refer to «RELEASE CABLE MOUNT LEVER AND SEAT FORWARD/BACK ADJUSTMENT SPRING»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__release-cable-mount-lever-and-seat)

Scheme 71

Scheme 71: SEAT HEIGHT ADJUSTER AND SEAT HEIGHT ADJUSTMENT HANDLE OVERVIEW
  1. Seat Height Adjustment Handle Removing and installing, refer to «SEAT HEIGHT ADJUSTMENT HANDLE»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__seat-height-adjustment-handle) With a tab -A- for engaging with the tab -B- on the lever -7-.
  2. Screws Quantity: 2 Note the different bolt length -4- 6.5 Nm
  3. Seat Height Adjuster Removing and installing, refer to «SEAT HEIGHT ADJUSTMENT»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__seat-height-adjustment)
  4. Bolt Note the different bolt lengths -2- 10 Nm
  5. Locking Washer Always replace if removed
  6. Screws Quantity: 2 8 Nm
  7. Lever For seat height adjustment handle With the tab -B- for locking the seat height adjustment handle -1

SEAT POSITION SENSOR OVERVIEW

The seat position sensor is similar in all seat versions.

Scheme 72

Scheme 72: SEAT VENTILATION CONTROL MODULE OVERVIEW
  1. Seat Ventilation Control Module (Integrated in the Seat Heating) Versions with driver side seat heating:left front seat ventilation control module -J800- Versions with passenger side seat heating:right front seat ventilation control module -J799- Clipped with the bracket Removing and installing, refer to «RIGHT FRONT SEAT VENTILATION CONTROL MODULE (SEAT HEATER INTEGRATED) -J799- / -J800»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__right-front-seat-ventilation-control-module)
  2. Bracket Removing and installing, refer to «MEMORY SEAT/STEERING COLUMN ADJUSTMENT CONTROL MODULE BRACKET»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__memory-seatsteering-column-adjustment-control-module) Engaged and clipped in the seat pan
  3. Front Seat
  4. Pin For securing the bracket to the seat pan

Scheme 73

Scheme 73: SILL AND TUNNEL SIDE TRIM OVERVIEW
  1. Front Seat
  2. Expanding Rivet
  3. Tunnel Side Trim Can only be replaced with seat removed Removing and installing, refer to «TRIM, TUNNEL SIDE»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__trim-tunnel-side)
  4. Expanding Rivet
  5. Backrest Adjustment Wheel Removing and installing, refer to «BACKREST ADJUSTMENT WHEEL»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__backrest-adjustment-wheel)
  6. Seat Height Adjustment Handle Removing and installing, refer to «SEAT HEIGHT ADJUSTMENT HANDLE»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__seat-height-adjustment-handle)
  7. Lumbar Support Adjustment Switch Vehicles with special equipment Driver side: driver seat lumbar support adjustment switch -E176- Front passenger side: front passenger seat lumbar support adjustment switch -E177- Assembly overview, refer to «LUMBAR SUPPORT ADJUSTMENT SWITCH OVERVIEW»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan) Removing and installing, refer to «LUMBAR SUPPORT ADJUSTMENT SWITCH»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan)
  8. Sill-Side Trim Can be replaced with seat installed Removing and installing, refer to «TRIM, SILL SIDE»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__trim-sill-side)

Scheme 74

Scheme 74: SILL SIDE TRIM RETAINING BRACKET OVERVIEW
  1. Front Seat Manual
  2. Retaining Bracket For sill side trim Removing and installing, refer to «SILL SIDE RETAINING BRACKET TRIM»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__sill-side-retaining-bracket-trim)
  3. Screws Quantity: 3 3.5 Nm

Scheme 75

Scheme 75: SPRING MAT OVERVIEW
  1. Bottom Spring Not available separately
  2. Center Spring Not available separately
  3. Upper Pull-Spring Not available separately
  4. Spring Mat Removing and installing, refer to «SPRING MAT»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__spring-mat) Can be removed and installed with and without the pull-springs
  5. Backrest Frame

STORAGE COMPARTMENT OVERVIEW

The assembly overview shows the power Standard front seat. The storage compartment on a manual standard front seat (manually adjustable) is identical.

Scheme 76

Scheme 76: TORSION BAR OVERVIEW
  1. Seat Pan
  2. Torsion Bar Also called the HV spring Removing and installing, refer to «TORSION BAR»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__torsion-bar)
  3. Mount Depending on the version, 2- or 3-piece Slide into the guide Removing and installing, refer to «TORSION BAR BEARING»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__torsion-bar-bearing)

TWO-SECTION BACKREST COVER WITH BACKREST FRAME TRIM OVERVIEW

Note. The two-section backrest cover consists of the removable backrest cover and the trim on the backrest frame. The assembly overview shows the standard front seat. The backrest cover and backrest frame trim for the other seat versions are similar.

Scheme 77

Scheme 77: TWO-SECTION BACKREST COVER WITH BACKREST FRAME TRIM OVERVIEW
  1. Front Seat
  2. Backrest Frame Trim Removing and installing, refer to «BACKREST FRAME TRIM»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__backrest-frame-trim)
  3. Backrest Cover Mounting points overview (Scheme 78)Removing and installing, refer to «BACKREST COVER (SECTION TWO)»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__backrest-cover-section-two)
  4. Backrest Frame

Scheme 78

Scheme 78
  1. Backrest, front seat
  2. Upper hooks (quantity: 2)
  3. Left side retaining tabs (quantity: 3)
  4. Lower hooks (quantity: 2)
  5. Right side retaining tabs (quantity: 3)

BACKREST ADJUSTMENT MOTOR OVERVIEW

Note. The backrest is shown without the upholstery, cover and seat pan.

Scheme 79

Scheme 79: BACKREST ADJUSTMENT MOTOR OVERVIEW
  1. Backrest Frame
  2. Nut Replace 6 Nm
  3. Washer
  4. Shaft The threads must be cleaned before installing the nut -2- (for example, using a thread tap). Coat the threads on the shaft with locking fluid before installing the nut. For the correct locking fluid.
  5. Bolt Replace Use locking fluid when installing the bolt. For the correct locking fluid. 7.5 Nm
  6. Backrest adjustment motor Driver side: driver backrest adjustment motor -V45- Front passenger side: front passenger backrest adjustment motor -V46- Removing and installing, refer to «BACKREST ADJUSTMENT MOTOR»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan)

BACKREST COVER AND BACKREST FRAME TRIM OVERVIEW

The assembly overview shows a manual Standard front seat. The backrest cover and backrest frame trim of the power Standard front seat (electrically adjustable) are similar.

Refer to TWO-SECTION BACKREST COVER WITH BACKREST FRAME TRIM OVERVIEW for the two-section backrest cover and ONE-SECTION BACKREST COVER OVERVIEW for the one-section backrest cover.

Scheme 80

Scheme 80: BACKREST AND HEADREST ADJUSTMENT CONTROL HEAD OVERVIEW
  1. Lumbar Support Adjustment Switch Driver side: driver seat lumbar support adjustment switch -E176- Front passenger side: front passenger seat lumbar support adjustment switch -E177- Do not disconnect actuator and switch, they can only be replaced as a complete assembly unit. Removing and installing, refer to «LUMBAR SUPPORT ADJUSTMENT SWITCH»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan)
  2. Seat Forward/Back, Angle And Height Adjustment Actuator Driver side: for driver seat forward/back adjustment switch -E363-, driver seat angle adjustment switch -E222-, driver seat height adjustment switch -E364- Front passenger side: for front passenger seat forward/back adjustment switch -E64-, front passenger seat angle adjustment switch -E334-, front passenger seat height adjustment switch -E365- Actuator, removing and installing refer to «SEAT ADJUSTMENT CONTROL SWITCH»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__seat-adjustment-control-switch) Switch and button, removing and installing refer to «SEAT ADJUSTMENT CONTROL HEAD»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan) The switches and buttons listed under -3- are located in both the driver seat adjustment control head -E470- or front passenger seat adjustment control head -E471- and cannot be replaced individually.
  3. Backrest And Headrest Adjustment Driver side: for driver backrest adjustment switch -E96-, driver headrest adjustment button -E155- Front passenger side: for front passenger backrest adjustment switch -E98-, front passenger headrest adjustment switch -E170- Actuator, removing and installing refer to «BACKREST AND HEADREST ADJUSTMENT ACTUATOR»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__backrest-and-headrest-adjustment-actuator) Switch and button, removing and installing refer to «SEAT ADJUSTMENT CONTROL HEAD»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan) The switches and buttons listed under -2- are integrated together in the driver seat adjustment control head -E470- or front passenger seat adjustment control head -E471- and cannot be replaced individually.

CONNECTOR STATION CONNECTORS

The following describes the connector station connectors for the manual standard front seat. They are similar for the power standard front seat.

Part 1

Scheme 81

Scheme 81: ELECTRICAL AND ELECTRONIC COMPONENTS OVERVIEW
  1. Memory Seat/Steering Column Adjustment Control Head Driver side: memory seat/steering column adjustment control module -J136- Front passenger side: passenger memory seat control module -J521- Vehicles with seat heating or a comfort seat on the driver side: left front seat ventilation control module -J800- (integrated seat heater function) Vehicles with seat heating or a comfort seat on the driver side: right front seat ventilation control module -J799- (integrated seat heater function) Assembly overview, refer to «MEMORY SEAT/STEERING COLUMN ADJUSTMENT CONTROL MODULE OVERVIEW»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan) Removing and installing, refer to «MEMORY SEAT/STEERING COLUMN ADJUSTMENT CONTROL MODULE»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__memory-seatsteering-column-adjustment-control-module)
  2. Seat Forward/Back Adjustment Motor Driver side: driver seat forward/back adjustment motor -V28- Front passenger side: front passenger seat forward/back adjustment motor -V31- Assembly overview, refer to «FORWARD/BACK ADJUSTMENT MOTOR OVERVIEW»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__forwardback-adjustment-motor-overview) Removing and installing, refer to «FORWARD/BACK ADJUSTMENT MOTOR»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan)
  3. Backrest Adjustment Motor Driver side: driver backrest adjustment motor -V45- Front passenger side: front passenger backrest adjustment motor -V46- Assembly overview, refer to «BACKREST ADJUSTMENT MOTOR OVERVIEW»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__backrest-adjustment-motor-overview) Removing and installing, refer to «BACKREST ADJUSTMENT MOTOR»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan)
  4. Lumbar Support Height Adjustment Motor Driver side: driver seat lumbar support height adjustment motor -V129- Front passenger side: front passenger seat lumbar support height adjustment motor -V130- Assembly overview, refer to «LUMBAR SUPPORT CURVATURE AND HEIGHT ADJUSTMENT MOTORS OVERVIEW»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan) Removing and installing, refer to «FORWARD/BACK ADJUSTMENT MOTOR AND LUMBAR SUPPORT ADJUSTMENT»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__forwardback-adjustment-motor-and-lumbar-support)
  5. Headrest Adjustment Motor Driver side: driver head restraint adjustment motor -V103- Front passenger side: front passenger head restraint adjustment motor -V104- Is a fixed component of the headrest base plate and cannot be replaced. If the headrest adjustment motor is faulty, replace the entire headrest base plate.
  6. Lumbar Support Curvature Adjustment Motor Driver side: driver seat lumbar support curvature adjustment motor -V125- Front passenger side: front passenger seat lumbar support curvature adjustment motor -V126- Assembly overview, refer to «LUMBAR SUPPORT CURVATURE AND HEIGHT ADJUSTMENT MOTORS OVERVIEW»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan) Removing and installing, refer to «FORWARD/BACK ADJUSTMENT MOTOR AND LUMBAR SUPPORT ADJUSTMENT»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__forwardback-adjustment-motor-and-lumbar-support)
  7. Seat Height Adjustment Motor Driver side: driver seat height adjustment motor -V245- Front passenger side: front passenger seat height adjustment motor -V246- Assembly overview, refer to «HEIGHT ADJUSTMENT MOTOR OVERVIEW»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__height-adjustment-motor-overview) Removing and installing, refer to «HEIGHT ADJUSTMENT MOTOR»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan)
  8. Footwell Light Removing and installing, refer to «[For engine(s) CAEB, CALA, CCBA] Removal and Installation»(/audi/a4/b8-2007-2012/remont/door-locks-anti-theft-systems/#interior-lights-switches-sedan)
  9. Seat Adjustment Control Head Driver side: driver seat adjustment control head -E470- with: Driver backrest adjustment switch -E96- Driver headrest adjustment switch -E155- Driver seat angle adjustment switch -E222- Driver seat forward/back adjustment switch -E363- Driver height adjustment switch -E364- Front passenger side: front passenger seat adjustment control head -E471- with: Front passenger seat forward/back adjustment switch -E64- Front passenger backrest adjustment switch -E98- Front passenger headrest adjustment switch -E170- Front passenger seat angle adjustment motor -E334- Front passenger seat height adjustment switch -E365- Assembly overview, refer to «SEAT ADJUSTMENT CONTROL HEAD OVERVIEW»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__seat-adjustment-control-head-overview) Removing and installing, refer to «SEAT ADJUSTMENT CONTROL HEAD»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan)
  10. Lumbar Support Adjustment Switch Driver side: driver seat lumbar support adjustment switch -E176- Front passenger side: front passenger seat lumbar support adjustment switch -E177- Assembly overview, refer to «LUMBAR SUPPORT ADJUSTMENT SWITCH OVERVIEW»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan) Removing and installing, refer to «LUMBAR SUPPORT ADJUSTMENT SWITCH»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan)
  11. Seat Angle Adjustment Motor Driver side: driver seat angle adjustment motor -V243- Front passenger side: front passenger seat angle adjustment motor -V244- Assembly overview, refer to «SEAT ANGLE ADJUSTMENT MOTOR OVERVIEW»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__seat-angle-adjustment-motor-overview) Removing and installing, refer to «SEAT ANGLE ADJUSTMENT MOTOR»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan)
  12. Seat Position Sensor Diver side: driver seat position sensor -G553- Front passenger side: front passenger seat position sensor -G554- Assembly overview, refer to «SEAT POSITION SENSOR OVERVIEW»(/audi/a4/b8-2007-2012/remont/airbag/#passenger-protection-airbags-seat-belts-sedan__seat-position-sensor-overview) Removing and installing, refer to «SEAT POSITION SENSOR, WITH SEAT OCCUPIED SENSOR FOR BELT FASTENING DETECTION»(/audi/a4/b8-2007-2012/remont/airbag/#passenger-protection-airbags-seat-belts-sedan__seat-position-sensor-with-seat-occupied)

Part 2

Scheme 82

Scheme 82
  1. Seat Ventilation Control Module (Integrated in the Seat Heating) Vehicles equipped with a comfort seat on the driver side: left front seat ventilation control module -J800- Vehicles equipped with a comfort seat on the front passenger side: right front seat ventilation control module -J799- Assembly overview, refer to «SEAT VENTILATION CONTROL MODULE OVERVIEW»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan) Removing and installing, refer to «RIGHT FRONT SEAT VENTILATION CONTROL MODULE (SEAT HEATER INTEGRATED) -J799- / -J800»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__right-front-seat-ventilation-control-module)
  2. Seat Position Sensor Diver side: driver seat position sensor -G553- Front passenger side: front passenger seat position sensor -G554- Assembly overview, refer to «SEAT POSITION SENSOR OVERVIEW»(/audi/a4/b8-2007-2012/remont/airbag/#passenger-protection-airbags-seat-belts-sedan__seat-position-sensor-overview) Versions with seat occupied sensor for belt fastening detection, removing and installing refer to «SEAT POSITION SENSOR, WITH SEAT OCCUPIED SENSOR FOR BELT FASTENING DETECTION»(/audi/a4/b8-2007-2012/remont/airbag/#passenger-protection-airbags-seat-belts-sedan__seat-position-sensor-with-seat-occupied) Versions with seat occupied sensor for passenger airbag deactivation, removing and installing refer to «SEAT POSITION SENSOR, WITH SEAT OCCUPIED SENSOR FOR PASSENGER AIRBAG DEACTIVATION»(/audi/a4/b8-2007-2012/remont/airbag/#passenger-protection-airbags-seat-belts-sedan__seat-position-sensor-with-seat-occupied)
  3. Lumbar Support Height Adjustment Motor Driver side: driver seat lumbar support height adjustment motor -V129- Front passenger side: front passenger seat lumbar support height adjustment motor -V130- Assembly overview, refer to «LUMBAR SUPPORT CURVATURE AND HEIGHT ADJUSTMENT MOTORS OVERVIEW»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan) Removing and installing, refer to «FORWARD/BACK ADJUSTMENT MOTOR AND LUMBAR SUPPORT ADJUSTMENT»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__forwardback-adjustment-motor-and-lumbar-support)
  4. Lumbar Support Curvature Adjustment Motor Driver side: driver seat lumbar support curvature adjustment motor -V125- Front passenger side: front passenger seat lumbar support curvature adjustment motor -V126- Assembly overview, refer to «LUMBAR SUPPORT CURVATURE AND HEIGHT ADJUSTMENT MOTORS OVERVIEW»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan) Removing and installing, refer to «FORWARD/BACK ADJUSTMENT MOTOR AND LUMBAR SUPPORT ADJUSTMENT»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__forwardback-adjustment-motor-and-lumbar-support)
  5. Lumbar Support Adjustment Switch Driver side: driver seat lumbar support adjustment switch -E176- Front passenger side: front passenger seat lumbar support adjustment switch -E177- Assembly overview, refer to «LUMBAR SUPPORT ADJUSTMENT SWITCH OVERVIEW»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan) Removing and installing, refer to «LUMBAR SUPPORT ADJUSTMENT SWITCH»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan)

Scheme 83

Scheme 83: FOUR-WAY LUMBAR SUPPORT OVERVIEW
  1. Backrest Frame
  2. Rivet
  3. Plastic Washer Insert in front of the four-way lumber support riveted connection between the lumbar support bracket and the backrest frame
  4. Lumbar Support Curvature Adjustment Motor Driver side: driver seat lumbar support curvature adjustment motor -V125- Front passenger side: front passenger seat lumbar support curvature adjustment motor -V126- Assembly overview, refer to «LUMBAR SUPPORT CURVATURE AND HEIGHT ADJUSTMENT MOTORS OVERVIEW»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan) Removing and installing, refer to «FORWARD/BACK ADJUSTMENT MOTOR AND LUMBAR SUPPORT ADJUSTMENT»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__forwardback-adjustment-motor-and-lumbar-support)
  5. Four-Way Lumbar Support Removing and installing, refer to «FOUR-WAY LUMBAR SUPPORT»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan)
  6. Lumbar Support Height Adjustment Motor Driver side: driver seat lumbar support height adjustment motor -V129- Front passenger side: front passenger seat lumbar support height adjustment motor -V130- Assembly overview, refer to «LUMBAR SUPPORT CURVATURE AND HEIGHT ADJUSTMENT MOTORS OVERVIEW»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan) Removing and installing, refer to «FORWARD/BACK ADJUSTMENT MOTOR AND LUMBAR SUPPORT ADJUSTMENT»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__forwardback-adjustment-motor-and-lumbar-support)
  7. System Engaged in the four-way lumbar support The upholstery is secured tot he system by Velcro® fasteners

FORWARD/BACK ADJUSTMENT MOTOR OVERVIEW

Note. If the motor is faulty, the seat pan lower frame must be replaced. The seat pan is shown without the upholstery and cover.

Scheme 84

Scheme 84: FORWARD/BACK ADJUSTMENT MOTOR OVERVIEW
  1. Upper Seat Pan Frame Separate the seat pan upper and lower frames and assembly. Refer to «SEAT PAN, DISASSEMBLING AND ASSEMBLING»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan)
  2. Lower Seat Pan Frame Depending on the version Separate the seat pan upper and lower frames and assembly. Refer to «SEAT PAN, DISASSEMBLING AND ASSEMBLING»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan)
  3. Seat Forward/Back Adjustment Motor With lower seat frame Driver side: driver seat forward/back adjustment motor -V28- Front passenger side: front passenger seat forward/back adjustment motor -V31- Cannot be disassembled; available only as a complete unit. Removing and installing, refer to «FORWARD/BACK ADJUSTMENT MOTOR»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan)

The assembly overview shows a manual Standard front seat. The front backrest is similar for the power Standard front seat (electrically adjustable).

Scheme 85

Scheme 85: HEIGHT ADJUSTMENT MOTOR OVERVIEW
  1. Seat Pan
  2. Screws Quantity: 2 Self-locking Always replace if removed Threaded holes for screws must always be cleaned, for example, with thread cutter 10 Nm
  3. Bracket Bolted with the seat pan
  4. Seat Height Adjustment Motor Driver side: driver seat height adjustment motor -V245- Front passenger side: front passenger seat height adjustment motor -V246- Removing and installing, refer to «HEIGHT ADJUSTMENT MOTOR»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan)
  5. Bolt CAUTION: The bolt has a left-hand thread. Self-locking Always replace if removed Follow the information given when removing and installing. Refer to «HEIGHT ADJUSTMENT MOTOR»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan) Threaded holes for screws must always be cleaned, for example, with thread cutter 18 Nm
  6. Adjusting Spindle Preadjusted by the manufacturer Component of the seat height adjustment motor
  7. Screws Quantity: 2 Self-locking Always replace if removed Threaded holes for screws must always be cleaned, for example, with thread cutter 28 Nm

Scheme 86

Scheme 86: LUMBAR SUPPORT ADJUSTMENT SWITCH OVERVIEW
  1. Sill-Side Trim
  2. Screws Quantity: 2 0.5 Nm
  3. Lumbar Support Adjustment Switch Driver side: driver seat lumbar support adjustment switch -E176- Front passenger side: front passenger seat lumbar support adjustment switch -E177- Removing and installing, refer to «LUMBAR SUPPORT ADJUSTMENT SWITCH»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan) Switch and operating knob cannot be separated

Scheme 87

Scheme 87: LUMBAR SUPPORT CURVATURE AND HEIGHT ADJUSTMENT MOTORS OVERVIEW
  1. Lumbar Support Curvature Adjustment Motor Driver side: driver seat lumbar support curvature adjustment motor -V125- Front passenger side: front passenger seat lumbar support curvature adjustment motor -V126- Removing and installing, refer to «FORWARD/BACK ADJUSTMENT MOTOR AND LUMBAR SUPPORT ADJUSTMENT»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__forwardback-adjustment-motor-and-lumbar-support)
  2. Lumbar Support Height Adjustment Motor Driver side: driver seat lumbar support height adjustment motor -V129- Front passenger side: front passenger seat lumbar support height adjustment motor -V130- Removing and installing, refer to «FORWARD/BACK ADJUSTMENT MOTOR AND LUMBAR SUPPORT ADJUSTMENT»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__forwardback-adjustment-motor-and-lumbar-support)
  3. Retaining Bracket For the lumbar support height adjustment motor -2
  4. Retaining Bracket For the lumbar support forward/back adjustment motor -1

Scheme 88

Scheme 88: MEMORY SEAT/STEERING COLUMN ADJUSTMENT CONTROL MODULE OVERVIEW
  1. Front Seat
  2. Pin for securing the bracket to the seat pan
  3. Bracket Removing and installing, refer to «MEMORY SEAT/STEERING COLUMN ADJUSTMENT CONTROL MODULE BRACKET»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__memory-seatsteering-column-adjustment-control-module) Engaged and clipped in the seat pan
  4. Memory Seat/Steering Column Adjustment Control Head Driver side: memory seat/steering column adjustment control module -J136- Front passenger side: passenger memory seat control module -J521- Vehicles with seat heating or a comfort seat on the driver side: left front seat ventilation control module -J800- (integrated seat heater function) Vehicles with seat heating or a comfort seat on the driver side: right front seat ventilation control module -J799- (integrated seat heater function) Clipped with the bracket Removing and installing, refer to «MEMORY SEAT/STEERING COLUMN ADJUSTMENT CONTROL MODULE»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__memory-seatsteering-column-adjustment-control-module)

MODULAR WIRE ROUTING OVERVIEW

The assembly overview relates to the manual standard front seat. The modular wiring for the power standard front seat is similar.

POWER HEADRESTS OVERVIEW

Note. The illustration does not show the backrest cover and upholstery.

Scheme 89

Scheme 89: POWER HEADRESTS OVERVIEW
  1. Front Backrest
  2. Headrest Guide Without release button Removing and installing, refer to «HEADREST GUIDE»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__headrest-guide) Always installed on right side of backrest
  3. Wiring With connector Connected firmly to the headrest
  4. Headrest Driver side: with driver head restraint adjustment motor -V103- / driver headrest height adjustment sensor -G217- Front passenger side: with front passenger headrest adjustment motors -V104- / front passenger headrest height adjustment sensor -G282- Removing and installing, refer to «POWER HEADRESTS»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan) Only the seat cover, the cushion and the complete body can be replaced on the head restraint. It is not possible to disassemble the base plate or replace the electrical and electronic components installed inside.
  5. Headrest Guide With release button Removing and installing, refer to «HEADREST GUIDE»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__headrest-guide) Always installed on left side of backrest

POWER STANDARD FRONT SEAT OVERVIEW

Note. The overview is based on the driver seat. The passenger seat is similar and the components are installed reversed from left to right. The illustration does not show the carpet and the four-way lumbar support.

Scheme 90

Scheme 90: POWER STANDARD FRONT SEAT OVERVIEW
  1. Storage Compartment Vehicles with special equipment Assembly overview, refer to «STORAGE COMPARTMENT OVERVIEW»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan) Removing and installing, refer to «STORAGE COMPARTMENT»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan)
  2. Seat Rail Cover Right front Removing and installing, refer to «SEAT RAIL COVER»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__seat-rail-cover)
  3. Bolt 50 Nm
  4. Spindle Cover Clipped to the seat forward/back adjustment spindle Removing and installing, refer to «SEAT RAIL SPINDLE COVER»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan)
  5. LATCH Child Seat Anchor Vehicles with special equipment For the front passenger seat only Assembly overview, refer to «LATCH CHILD SEAT ANCHORAGE, FRONT SEAT OVERVIEW»(/audi/a4/b8-2007-2012/remont/airbag/#passenger-protection-airbags-seat-belts-sedan) Removing and installing, refer to «LATCH CHILD SEAT ANCHORAGE FRONT SEAT»(/audi/a4/b8-2007-2012/remont/airbag/#passenger-protection-airbags-seat-belts-sedan__latch-child-seat-anchorage-front-seat) Check after accident «LATCH AND TOP TETHER CHILD SEAT ANCHORAGES (ISOFIX), CHECKING AFTER COLLISION»(/audi/a4/b8-2007-2012/remont/airbag/#passenger-protection-airbags-seat-belts-sedan__latch-and-top-tether-child-seat)
  6. Tunnel Side Trim Assembly overview, refer to «SILL AND TUNNEL SIDE TRIM OVERVIEW»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan) Removing and installing, refer to «TRIM, TUNNEL SIDE»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__trim-tunnel-side)
  7. Bolt 50 Nm
  8. Power Standard Front Seat Removing and installing, refer to «POWER STANDARD FRONT SEAT»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__power-standard-front-seat)
  9. Headrest Power Assembly overview, refer to «POWER HEADRESTS OVERVIEW»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__power-headrests-overview) Removing and installing, refer to «POWER HEADRESTS»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan)
  10. Seat Rail Cover Right rear Removing and installing, refer to «SEAT RAIL COVER»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__seat-rail-cover)
  11. Sill-Side Trim Assembly overview, refer to «SILL AND TUNNEL SIDE TRIM OVERVIEW»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan) Removing and installing, refer to «TRIM, SILL SIDE»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan)
  12. Bolt 50 Nm
  13. Seat Rail Cover Left rear Removing and installing, refer to «SEAT RAIL COVER»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__seat-rail-cover)
  14. Lower Seat Pan Frame Assembly overview, refer to «SEAT PAN OVERVIEW»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__seat-pan-overview) Seat Pan, disassembling and assembling refer to «SEAT PAN, DISASSEMBLING AND ASSEMBLING»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan)
  15. Actuator For backrest and headrest adjustment Assembly overview, refer to «SEAT ADJUSTMENT CONTROL HEAD OVERVIEW»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__seat-adjustment-control-head-overview) Actuator, removing and installing refer to «BACKREST AND HEADREST ADJUSTMENT ACTUATOR»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__backrest-and-headrest-adjustment-actuator) Control head, removing and installing, refer to «SEAT ADJUSTMENT CONTROL HEAD»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan)
  16. Actuator Seat forward/back, angle and height adjustment actuator Assembly overview, refer to «SEAT ADJUSTMENT CONTROL HEAD OVERVIEW»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__seat-adjustment-control-head-overview) Actuator, removing and installing refer to «SEAT ADJUSTMENT CONTROL SWITCH»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__seat-adjustment-control-switch) Control head, removing and installing, refer to «SEAT ADJUSTMENT CONTROL HEAD»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan)
  17. Driver Seat Lumbar Support Adjustment Switch -E176- Front passenger side: front passenger seat lumbar support adjustment switch -E177- Assembly overview, refer to «LUMBAR SUPPORT ADJUSTMENT SWITCH OVERVIEW»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan) Lumbar Support Adjustment Switch, removing and installing refer to «LUMBAR SUPPORT ADJUSTMENT SWITCH»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan) Four-way lumbar support, removing and installing refer to «FOUR-WAY LUMBAR SUPPORT»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan)
  18. Spindle Cover Clipped to the seat forward/back adjustment spindle Removing and installing, refer to «SEAT RAIL SPINDLE COVER»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan)
  19. Cover For connector station Removing and installing, refer to «FRONT SEATS, BRINGING INTO THE SERVICE POSITION»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__front-seats-bringing-into-the-service)
  20. Connector Station Connector routing, refer to «CONNECTOR STATION CONNECTORS OVERVIEW»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__connector-station-connectors-overview)
  21. Seat Rail Cover Left front Removing and installing, refer to «SEAT RAIL COVER»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__seat-rail-cover)
  22. Bolt 50 Nm
  23. Corrugated Pipe For modular wiring routing Assembly overview, refer to «MODULAR WIRE ROUTING OVERVIEW»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__modular-wire-routing-overview) Modular wiring with corrugated tube on front seat, refer to «MODULAR WIRE ROUTING WITH RIDGED TUBE ON FRONT SEAT»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__modular-wire-routing-with-ridged-tube)

Scheme 91

Scheme 91: SEAT ADJUSTMENT CONTROL HEAD OVERVIEW
  1. Sill-Side Trim Removing and installing, refer to «TRIM, SILL SIDE»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan)
  2. Actuator For backrest and headrest adjustment Clipped to the control head Removing and installing, refer to «BACKREST AND HEADREST ADJUSTMENT ACTUATOR»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__backrest-and-headrest-adjustment-actuator)
  3. Actuator For seat adjustment Clipped to the control head Removing and installing, refer to «SEAT ADJUSTMENT CONTROL SWITCH»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__seat-adjustment-control-switch)
  4. Screws Quantity: 3 0.4 Nm
  5. Seat Adjustment Control Head Driver side: driver seat adjustment control head -E470- with: Driver backrest adjustment switch -E96- Driver headrest adjustment switch -E155- Driver seat angle adjustment switch -E222- Driver seat forward/back adjustment switch -E363- Driver height adjustment switch -E364- Front passenger side: front passenger seat adjustment control head -E471- with: Front passenger seat forward/back adjustment switch -E64- Front passenger backrest adjustment switch -E98- Front passenger headrest adjustment switch -E170- Front passenger seat angle adjustment motor -E334- Front passenger seat height adjustment switch -E365- Removing and installing, refer to «SEAT ADJUSTMENT CONTROL HEAD»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan)

Scheme 92

Scheme 92: SEAT ANGLE ADJUSTMENT MOTOR OVERVIEW
  1. Seat Angle Adjustment Motor Driver side: driver seat angle adjustment motor -V243- Front passenger side: front passenger seat angle adjustment motor -V244- Removing and installing, refer to «SEAT ANGLE ADJUSTMENT MOTOR»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan)
  2. Screws Quantity: 2 Self-locking Always replace if removed Threaded holes for screws must always be cleaned, for example, with thread cutter 10 Nm
  3. Bolt Self-locking Always replace if removed Threaded holes for screws must always be cleaned, for example, with thread cutter 20 Nm
  4. Connector

Scheme 93

Scheme 93: SEAT PAN OVERVIEW
  1. Seat Depth Adjuster Only for sport seats Removing and installing, refer to «SEAT DEPTH ADJUSTER»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__seat-depth-adjuster) For the correct allocation.
  2. Upper Seat Pan Frame Removing and installing, refer to «SEAT PAN, DISASSEMBLING AND ASSEMBLING»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan) For the correct allocation. Install all electrical and electronic components and wires in the new upper frame.
  3. Washer
  4. Bolt Quantity: 4 Self-locking Replace Threaded holes for screws must be cleaned, for example, with thread cutter 22 Nm
  5. Lower Seat Pan Frame Driver side: with driver seat forward/back adjustment motor -V28- Front passenger side: with front passenger seat forward/back adjustment motor -V31- Cannot be disassembled Removing and installing, refer to «SEAT PAN, DISASSEMBLING AND ASSEMBLING»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan) For replacing, install the removing and installing and seat belt latch in the new lower frame
  6. Bushing Inserted in all bracket locations Cannot be replaced with workshop materials The assembly component must be replaced if the bushing is damaged

The seat position sensor is similar in all seat versions.

Scheme 94

Scheme 94: SILL AND TUNNEL SIDE TRIM OVERVIEW
  1. Front Seat
  2. Expanding Rivet
  3. Tunnel Side Trim Can only be replaced with seat removed Removing and installing, refer to «TRIM, TUNNEL SIDE»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__trim-tunnel-side)
  4. Expanding Rivet
  5. Expanding Rivet
  6. Driver Seat Adjustment Control Head -E470- Front passenger side: front passenger seat adjustment control head -E471- Assembly overview, refer to «SEAT ADJUSTMENT CONTROL HEAD OVERVIEW»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__seat-adjustment-control-head-overview) Removing and installing, refer to «SEAT ADJUSTMENT CONTROL HEAD»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan)
  7. Actuator For Seat adjustment Assembly overview, refer to «BACKREST AND HEADREST ADJUSTMENT CONTROL HEAD OVERVIEW»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__backrest-and-headrest-adjustment-control-head) Removing and installing, refer to «SEAT ADJUSTMENT CONTROL SWITCH»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__seat-adjustment-control-switch)
  8. Driver Seat Lumbar Support Adjustment Switch -E176- Front passenger side: front passenger seat lumbar support adjustment switch -E177- Assembly overview, refer to «LUMBAR SUPPORT ADJUSTMENT SWITCH OVERVIEW»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan) Removing and installing, refer to «LUMBAR SUPPORT ADJUSTMENT SWITCH»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan)
  9. Sill-Side Trim Can be replaced with seat installed Removing and installing, refer to «TRIM, SILL SIDE»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan) Attach to the bracket and storage compartment

Scheme 95

Scheme 95: SILL SIDE TRIM RETAINING BRACKET OVERVIEW
  1. Front Seat Power standard seat Power sport seat Comfort seat Super sport seat
  2. Screws Quantity: 4 8 Nm
  3. Retaining Bracket For sill side trim Removing and installing, refer to «SILL SIDE RETAINING BRACKET TRIM»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan)

Scheme 96

Scheme 96: STORAGE COMPARTMENT OVERVIEW
  1. Front Seat
  2. Sill-Side Trim
  3. Threaded Clip Quantity: 2
  4. Storage Compartment Various versions: For manual standard and sport front seats For the power standard and sport front seats (electrically adjustable) and comfort and super sport front seats Removing and installing, refer to «STORAGE COMPARTMENT»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan) Cannot be disassembled, only available as a complete replacement part For the correct allocation.
  5. Bolt Quantity: 2 8 Nm
  6. Upper Seat Pan Frame

TORSION BAR OVERVIEW

The assembly overview relates to the manual standard front seat. The torsion bar on the power standard front seat is similar.

The assembly overview shows the power standard front seat. The comfort front seat is similar.

The assembly overview shows a manual standard front seat. The backrest cover and backrest frame trim are identical on the comfort front seat.

Refer to TWO-SECTION BACKREST COVER WITH BACKREST FRAME TRIM OVERVIEW for the two-section backrest cover and ONE-SECTION BACKREST COVER OVERVIEW for the one-section backrest cover.

BACKREST AND HEADREST ADJUSTMENT CONTROL HEAD ASSEMBLY OVERVIEW

The assembly overview relates to the power standard front seat. The seat and backrest adjustment control of the comfort front seat is similar.

COMFORT FRONT SEAT OVERVIEW

The assembly overview shows the power standard front seat. The comfort front seat is similar.

The following describes the connector station connectors for the manual standard front seat. They are similar for the comfort front seat.

The assembly overview relates to the power standard front seat. The electrical and electronic components of the comfort front seat are similar.

Scheme 97

Scheme 97: FANS FOR SEAT CUSHION AND BACKREST OVERVIEW
  1. Seat Cushion Fan Driver side: driver seat cushion blower fan -V390- Front passenger side: front passenger seat cushion blower fan -V391- Removing and installing, refer to «FAN, SEAT CUSHION»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__fan-seat-cushion)
  2. Seat Cushion Fan 2 Driver side: driver seat cushion blower fan 2 -V419- Front passenger side: front passenger seat cushion blower fan 2 -V420- Removing and installing, refer to «FAN, SEAT CUSHION»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__fan-seat-cushion)
  3. Backrest Fan 2 Driver side: driver seat backrest blower fan 2 -V417- Front passenger side: front passenger seat backrest blower fan 2 -V418- Removing and installing, refer to «FAN, UPPER BACKREST»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__fan-upper-backrest)
  4. Backrest Fan Driver side: driver seat backrest blower fan -V388- Front passenger side: front passenger seat backrest blower fan -V389- Removing and installing, refer to «FAN, UPPER BACKREST»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__fan-upper-backrest)

Scheme 98

Scheme 98
  1. Bolt - 1.5 Nm
  2. Air intake grille
  3. Seal
  4. Seat cushion fan

The assembly overview relates to the power standard front seat. The seat forward/back adjustment motor of the comfort front seat is similar.

Scheme 99

Scheme 99: FOUR-WAY LUMBAR SUPPORT OVERVIEW
  1. Plastic Washer Insert in front of the four-way lumber support riveted connection between the lumbar support bracket and the backrest frame
  2. Four-Way Lumbar Support Driver side: driver seat lumbar support curvature adjustment motor -V125- Front passenger side: front passenger seat lumbar support curvature adjustment motor -V126- Driver side: driver seat lumbar support height adjustment motor -V129- Front passenger side: front passenger seat lumbar support height adjustment motor -V130- Removing and installing, refer to «FOUR-WAY LUMBAR SUPPORT»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan)
  3. Backrest Frame
  4. Rivet

The assembly overview relates to the power standard front seat. The front backrest is similar for the comfort front seat.

HEIGHT ADJUSTMENT MOTOR OVERVIEW

The assembly overview shows the power standard front seat. The seat height adjustment motor is similar on the comfort front seat.

The assembly overview shows a manual standard front seat. The lumbar support adjustment switches of the comfort front seat are similar.

MEMORY SEAT ADJUSTMENT CONTROL MODULE WITH INTEGRATED SEAT VENTILATION FUNCTION OVERVIEW

The assembly overview is based on a power standard front seat with a memory seat adjustment control module.

The assembly overview relates to the manual standard front seat. It is similar for the comfort front seat.

The assembly overview relates to the power standard front seat. The electrically adjustable headrest is similar for the comfort front seat.

SEAT ADJUSTMENT CONTROL HEAD OVERVIEW

The assembly overview shows the power standard front seat. The driver or front passenger seat adjustment control head is similar on the comfort front seat.

SEAT ANGLE ADJUSTMENT MOTOR OVERVIEW

The assembly overview shows the power standard front seat. The seat angle adjustment motor is similar on the comfort front seat.

SEAT PAN OVERVIEW

The assembly overview relates to the power standard front seat. The seat pan is similar for the comfort front seat.

The seat position sensor is similar in all seat versions.

SILL AND TUNNEL SIDE TRIM OVERVIEW

The assembly overview relates to the power standard front seat. The trims on the sill and tunnel side of the comfort front seat are similar.

SILL SIDE TRIM RETAINING BRACKET OVERVIEW

The assembly overview relates to the power standard front seat. The trim retaining bracket on the sill side of the comfort front seat is similar.

The assembly overview relates to the power standard front seat. The storage compartment is similar for the comfort front seat.

The assembly overview relates to the manual standard front seat. The torsion bar is similar for the comfort front seat.

The assembly overview shows a manual Standard front seat. The backrest cover and backrest frame trim of the manual sport front seat are similar.

Refer to TWO-SECTION BACKREST COVER WITH BACKREST FRAME TRIM OVERVIEW for the two-section backrest cover and ONE-SECTION BACKREST COVER OVERVIEW for the one-section backrest cover.

The connector station connectors are described fro the manual standard front seat. They are similar for the manual sport front seat.

The assembly overview shows the power standard front seat. The electrical and electronic components of the manual sport front seat are similar.

The assembly overview shows the power standard front seat. The four-way lumbar support of the manual sport front seat is similar.

The assembly overview shows a manual standard front seat. The front backrest is similar for the manual sport front seat.

The assembly overview shows a manual standard front seat. The headrests are similar for the manual sport front seat.

The assembly overview shows a manual standard front seat. The lumbar support adjustment switches of the manual sport front seat are similar.

The assembly overview shows the power standard front seat. The motors for the seat forward/back adjustment and lumbar support adjustment are identical on the manual sport front seat.

The assembly overview shows a manual standard front seat. The modular wiring for the manual sport front seat is similar.

Scheme 100

Scheme 100: SEAT ANGLE ADJUSTER OVERVIEW
  1. Handle For seat inclination adjustment Removing and installing, refer to «SEAT ANGLE ADJUSTMENT HANDLE»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__seat-angle-adjustment-handle)
  2. Retaining Clip Replace the seat angle adjustment handle each time it is removed Installation position, refer to «SEAT ANGLE ADJUSTMENT HANDLE»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__seat-angle-adjustment-handle) .
  3. Bolt Self-locking Always replace if removed Threaded holes for screws must always be cleaned, for example, with thread cutter 6.5 Nm
  4. Shoulder Pin Self-locking Always replace if removed Threaded holes for screws must always be cleaned, for example, with thread cutter 6 Nm
  5. Seat Angle Adjustment Removing and installing, refer to «SEAT ANGLE ADJUSTER»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__seat-angle-adjuster)

Scheme 101

Scheme 101: SEAT DEPTH ADJUSTER OVERVIEW
  1. Nut Quantity: 4 Replace
  2. Sport Seat With a seat depth adjuster
  3. Trim For seat depth adjustment Removing and installing, refer to «TRIM, SEAT DEPTH ADJUSTOR»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__trim-seat-depth-adjustor) Press on until it engages audibly
  4. Seat Depth Adjuster Removing and installing, refer to «SEAT DEPTH ADJUSTER»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__seat-depth-adjuster)
  5. Bushing
  6. Bolt Replace Use locking fluid when installing the bolt. For the correct locking fluid. 4 Nm
  7. Screws Replace Use locking fluid when installing the bolt. For the correct locking fluid. 4 Nm
  8. Bolt Replace Use locking fluid when installing the bolt. For the correct locking fluid. 4 Nm
  9. Bushing

The assembly overview shows a manual standard front seat. The seat forward/back adjuster is similar for the manual sport front seat.

SEAT HEIGHT ADJUSTER AND SEAT HEIGHT ADJUSTMENT HANDLE OVERVIEW

The assembly overview shows a manual standard front seat. The seat height adjustment unit and handle of the manual sport front seat are similar.

The seat position sensor is similar in all seat versions.

The assembly overview shows a manual standard front seat. The trims on the sill and tunnel side of the manual sport front seat are similar.

The assembly overview shows a manual standard front seat. The trim retaining bracket on the sill side of the manual sport front seat is similar.

SPRING MAT OVERVIEW

The assembly overview shows a manual standard front seat. The spring mat is similar for the manual sport front seat.

SPORT FRONT SEAT OVERVIEW

Note. The overview is based on the driver seat. The passenger seat is similar and the components are installed reversed from left to right. The illustration does not show the floor covering.

Scheme 102

Scheme 102: SPORT FRONT SEAT OVERVIEW
  1. Storage Compartment Vehicles with special equipment Assembly overview, refer to «STORAGE COMPARTMENT OVERVIEW»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan) Removing and installing, refer to «STORAGE COMPARTMENT»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan)
  2. Seat Forward/Back Adjuster Assembly overview, refer to «SEAT FORWARD/BACK ADJUSTER OVERVIEW»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__seat-forwardback-adjuster-overview) Removing and installing, refer to «SEAT FORWARD/BACK ADJUSTMENT HANDLE»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__seat-forwardback-adjustment-handle)
  3. Cover For the front right seat rail Removing and installing, refer to «SEAT RAIL COVER»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__seat-rail-cover)
  4. Bolt 50 Nm
  5. Seat Depth Adjuster Assembly overview, refer to «SEAT DEPTH ADJUSTER OVERVIEW»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__seat-depth-adjuster-overview) Removing and installing, refer to «SEAT DEPTH ADJUSTER»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__seat-depth-adjuster)
  6. LATCH Child Seat Anchor Vehicles with special equipment For the front passenger seat only Assembly overview, refer to «LATCH CHILD SEAT ANCHORAGE, FRONT SEAT OVERVIEW»(/audi/a4/b8-2007-2012/remont/airbag/#passenger-protection-airbags-seat-belts-sedan) Removing and installing, refer to «LATCH CHILD SEAT ANCHORAGE FRONT SEAT»(/audi/a4/b8-2007-2012/remont/airbag/#passenger-protection-airbags-seat-belts-sedan__latch-child-seat-anchorage-front-seat) Check after accident. Refer to «LATCH AND TOP TETHER CHILD SEAT ANCHORAGES (ISOFIX), CHECKING AFTER COLLISION»(/audi/a4/b8-2007-2012/remont/airbag/#passenger-protection-airbags-seat-belts-sedan__latch-and-top-tether-child-seat)
  7. Tunnel Side Trim Removing and installing, refer to «TRIM, TUNNEL SIDE»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__trim-tunnel-side)
  8. Bolt 50 Nm
  9. Manual Sport Front Seat Removing and installing, refer to «MANUAL STANDARD FRONT SEAT»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__manual-standard-front-seat)
  10. Headrest Manual Assembly overview, refer to «HEADREST OVERVIEW»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__headrest-overview) Removing and installing, refer to «HEADRESTS WITH LOCKING MECHANISM»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__headrests-with-locking-mechanism)
  11. Cover For the rear right seat rail Removing and installing, refer to «SEAT RAIL COVER»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__seat-rail-cover)
  12. Backrest Adjustment Wheel Removing and installing, refer to «BACKREST ADJUSTMENT WHEEL»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__backrest-adjustment-wheel)
  13. Bolt 50 Nm
  14. Cover For the rear left seat rail Removing and installing, refer to «SEAT RAIL COVER»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__seat-rail-cover)
  15. Lower Seat Pan Frame There is no separation between the seat pan lower frame with a seat forward/back adjuster and the seat pan upper frame on the standard front seat (manual).
  16. Seat Height Adjuster Assembly overview, refer to «SEAT HEIGHT ADJUSTER AND SEAT HEIGHT ADJUSTMENT HANDLE OVERVIEW»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__seat-height-adjuster-and-seat-height) Removing and installing, refer to «SEAT HEIGHT ADJUSTMENT»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__seat-height-adjustment)
  17. Sill-Side Trim Removing and installing, refer to «TRIM, SILL SIDE»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__trim-sill-side)
  18. Driver Seat Lumbar Support Adjustment Switch -E176- Front passenger side: front passenger seat lumbar support adjustment switch -E177- Vehicles with special equipment Assembly overview, refer to «LUMBAR SUPPORT ADJUSTMENT SWITCH OVERVIEW»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan) Lumbar support adjustment switch, removing and installing «LUMBAR SUPPORT ADJUSTMENT SWITCH»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan) Four-way lumbar support, removing and installing «FOUR-WAY LUMBAR SUPPORT»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan)
  19. Seat Angle Adjustment Assembly overview, refer to «SEAT ANGLE ADJUSTER OVERVIEW»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan) Removing and installing, refer to «SEAT ANGLE ADJUSTER»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__seat-angle-adjuster)
  20. Cover For connector station Removing and installing, refer to «FRONT SEATS, BRINGING INTO THE SERVICE POSITION»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__front-seats-bringing-into-the-service)
  21. Connector Station Connector routing «CONNECTOR STATION CONNECTORS OVERVIEW»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__connector-station-connectors-overview)
  22. Cover For the front left seat rail Removing and installing, refer to «SEAT RAIL COVER»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__seat-rail-cover)
  23. Bolt 50 Nm
  24. Corrugated Pipe For modular wiring routing Assembly overview, refer to «MODULAR WIRE ROUTING OVERVIEW»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__modular-wire-routing-overview) Modular wiring with corrugated tube on front seat, refer to «MODULAR WIRE ROUTING WITH RIDGED TUBE ON FRONT SEAT»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__modular-wire-routing-with-ridged-tube)

The assembly overview shows the power standard front seat. The storage compartment is similar for the manual sport front seat.

The assembly overview shows a manual standard front seat. The torsion bar is similar for the manual sport front seat.

The assembly overview shows the power standard front seat. The backrest adjustment motor on a power sport front seat is identical.

The assembly overview shows a manual standard front seat. The backrest cover and backrest frame trim on the manual sport (electrically adjustable) front seat are similar.

Refer to TWO-SECTION BACKREST COVER WITH BACKREST FRAME TRIM OVERVIEW for the two-section backrest cover and ONE-SECTION BACKREST COVER OVERVIEW for the one-section backrest cover.

BACKREST AND HEADREST ADJUSTMENT CONTROL HEAD OVERVIEW

The assembly overview shows the power standard front seat. The seat, backrest, and headrest adjustment control head for the power sport front seat (electrically adjustable) is similar.

The connector station connectors are described fro the manual standard front seat. They are similar for the power sport front seat.

The assembly overview shows the power standard front seat. The electrical and electronic components in a power sport front seat are identical.

The assembly overview shows the power standard front seat. The four-way lumbar support on a power sport front seat is identical.

The assembly overview shows the power standard front seat. The seat forward/back adjustment motor on a power sport front seat is identical.

The assembly overview shows a manual standard front seat. The front backrest is similar for the power sport front seat.

The assembly overview shows the power standard front seat. The seat height adjustment motor on a power sport front seat is identical.

The assembly overview shows the power standard front seat. The lumbar support adjustment switches of the power sport front seat are similar.

The assembly overview shows the power standard front seat. The lumbar support curvature and backward-and-forward and height adjustment motors for the power sport front seat are identical.

MEMORY SEAT ADJUSTMENT CONTROL MODULE OVERVIEW

The assembly overview shows the power standard front seat. The memory seat adjustment control module on a power sport front seat is identical.

The assembly overview shows a manual standard front seat. The modular wiring for the power sport front seat is identical.

The assembly overview shows the power standard front seat. The power headrest of the power sport front seat is similar.

POWER SPORT FRONT SEAT OVERVIEW

Note. The overview is based on the driver seat. The passenger seat is similar and the components are installed reversed from left to right. The illustration does not show the carpet and the four-way lumbar support.

Scheme 103

Scheme 103: POWER SPORT FRONT SEAT OVERVIEW
  1. Storage Compartment Vehicles with special equipment Assembly overview, refer to «STORAGE COMPARTMENT OVERVIEW»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan) Removing and installing, refer to «STORAGE COMPARTMENT»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan)
  2. Seat Rail Cover Right front Removing and installing, refer to «SEAT RAIL COVER»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__seat-rail-cover)
  3. Bolt 50 Nm
  4. Spindle Cover Clipped to the seat forward/back adjustment spindle Removing and installing, refer to «SEAT RAIL SPINDLE COVER»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan)
  5. Seat Depth Adjuster Assembly overview, refer to «SEAT DEPTH ADJUSTER OVERVIEW»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__seat-depth-adjuster-overview) Removing and installing, refer to «SEAT DEPTH ADJUSTER»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__seat-depth-adjuster)
  6. LATCH Child Seat Anchor Vehicles with special equipment For the front passenger seat only Assembly overview, refer to «LATCH CHILD SEAT ANCHORAGE, FRONT SEAT OVERVIEW»(/audi/a4/b8-2007-2012/remont/airbag/#passenger-protection-airbags-seat-belts-sedan) Removing and installing, refer to «LATCH CHILD SEAT ANCHORAGE FRONT SEAT»(/audi/a4/b8-2007-2012/remont/airbag/#passenger-protection-airbags-seat-belts-sedan__latch-child-seat-anchorage-front-seat) Check after accident. Refer to «LATCH AND TOP TETHER CHILD SEAT ANCHORAGES (ISOFIX), CHECKING AFTER COLLISION»(/audi/a4/b8-2007-2012/remont/airbag/#passenger-protection-airbags-seat-belts-sedan__latch-and-top-tether-child-seat)
  7. Tunnel Side Trim Assembly overview, refer to «SILL AND TUNNEL SIDE TRIM OVERVIEW»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan) Removing and installing, refer to «TRIM, TUNNEL SIDE»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__trim-tunnel-side)
  8. Bolt 50 Nm
  9. Power Sport Front Seat Removing and installing, refer to «POWER STANDARD FRONT SEAT»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__power-standard-front-seat)
  10. Headrest Power Assembly overview, refer to «POWER HEADRESTS OVERVIEW»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__power-headrests-overview) Removing and installing, refer to «POWER HEADRESTS»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan)
  11. Seat Rail Cover Right rear Removing and installing, refer to «SEAT RAIL COVER»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__seat-rail-cover)
  12. Sill-Side Trim Assembly overview, refer to «SILL AND TUNNEL SIDE TRIM OVERVIEW»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan) Removing and installing, refer to «TRIM, SILL SIDE»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan)
  13. Bolt 50 Nm
  14. Seat Rail Cover Left rear Removing and installing, refer to «SEAT RAIL COVER»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__seat-rail-cover)
  15. Lower Seat Pan Frame Assembly overview, refer to «SEAT PAN OVERVIEW»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__seat-pan-overview) Seat pan, disassembling and assembling, refer to «SEAT PAN, DISASSEMBLING AND ASSEMBLING»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan)
  16. Actuator For backrest and headrest adjustment Assembly overview, refer to «SEAT ADJUSTMENT CONTROL HEAD OVERVIEW»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__seat-adjustment-control-head-overview) Actuator, removing and installing, refer to «BACKREST AND HEADREST ADJUSTMENT ACTUATOR»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__backrest-and-headrest-adjustment-actuator) Switch and button, removing and installing, refer to «SEAT ADJUSTMENT CONTROL HEAD»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan)
  17. Actuator Seat forward/back, angle and height adjustment actuator Assembly overview, refer to «SEAT ADJUSTMENT CONTROL HEAD OVERVIEW»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__seat-adjustment-control-head-overview) Actuator, removing and installing, refer to «SEAT ADJUSTMENT CONTROL SWITCH»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__seat-adjustment-control-switch) Switch and button, removing and installing, refer to «SEAT ADJUSTMENT CONTROL HEAD»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan)
  18. Driver Seat Lumbar Support Adjustment Switch -E176- Front passenger side: front passenger seat lumbar support adjustment switch -E177- Assembly overview, refer to «LUMBAR SUPPORT ADJUSTMENT SWITCH OVERVIEW»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan) Lumbar support adjustment switch, removing and installing, refer to «LUMBAR SUPPORT ADJUSTMENT SWITCH»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan) Four-way lumbar support, removing and installing, refer to «FOUR-WAY LUMBAR SUPPORT»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan)
  19. Spindle Cover Clipped to the seat forward/back adjustment spindle Removing and installing, refer to «SEAT RAIL SPINDLE COVER»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan)
  20. Cover For connector station Removing and installing, refer to «FRONT SEATS, BRINGING INTO THE SERVICE POSITION»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__front-seats-bringing-into-the-service)
  21. Connector Station Connector routing, refer to «CONNECTOR STATION CONNECTORS OVERVIEW»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__connector-station-connectors-overview)
  22. Seat Rail Cover Left front Removing and installing, refer to «SEAT RAIL COVER»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__seat-rail-cover)
  23. Bolt 50 Nm
  24. Corrugated Pipe For modular wiring routing Assembly overview, refer to «MODULAR WIRE ROUTING OVERVIEW»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__modular-wire-routing-overview) Modular wiring with corrugated tube on front seat, refer to «MODULAR WIRE ROUTING WITH RIDGED TUBE ON FRONT SEAT»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__modular-wire-routing-with-ridged-tube)

The assembly overview shows the power standard front seat. The driver or front passenger seat adjustment control head is similar on the power sport front seat.

The assembly overview shows the power standard front seat. The seat angle adjustment motor on a power sport front seat is identical.

SEAT DEPTH ADJUSTER OVERVIEW

The assembly overview shows a manual sport front seat. The seat depth adjustment on a power sport front seat is identical.

The assembly overview shows the power standard front seat. The seat frame on the power sport front seat is identical.

The seat position sensor is similar in all seat versions.

The assembly overview shows the power standard front seat. The trims on the sill and tunnel side of the power sport front seat are similar.

The assembly overview shows the power standard front seat. The trim retaining bracket on the sill side of the power sport front seat is similar.

The assembly overview shows the power standard front seat. The storage compartment on a power sport front seat is identical.

The assembly overview shows a manual standard front seat. The torsion bar is similar for the power sport front seat.

The assembly overview shows the power standard front seat. The super sport front seat is similar.

The assembly overview shows a manual standard front seat. The backrest cover and trim panel on the backrest frame are similar for the front super sort seat.

Refer to TWO-SECTION BACKREST COVER WITH BACKREST FRAME TRIM OVERVIEW for the two-section backrest cover and ONE-SECTION BACKREST COVER OVERVIEW for the one-section backrest cover.

The assembly overview shows the power standard front seat. The seat and backrest adjustment control head for the super sport front seat is similar.

The connector station connectors are described fro the manual standard front seat. They are similar for the super sport front seat.

The assembly overview shows the power standard front seat. The electrical and electronic components of the super sport front seat are similar.

The assembly overview shows the power standard front seat. The seat forward/back adjustment motor is similar for the super sport front seat.

Scheme 104

Scheme 104: FRONT BACKREST OVERVIEW
  1. Seat Pan
  2. Bolt Self-locking Always replace if removed Threaded holes for screws must be cleaned, for example, with thread cutter 33 Nm
  3. Backrest Removing and installing, refer to «BACKREST FRONT»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__backrest-front)
  4. Not Present
  5. Not Present
  6. Not Present
  7. Wiring Harness From the side airbag to the connector station Depending on optional equipment, there may be more wiring harnesses, such as for seat heating, lumbar support

The assembly overview shows the power standard front seat. The four-way lumbar support is similar on the front super sport seat.

HEADRESTS OVERVIEW

Note. The headrest is a fixed component of the backrest upholstery and can only be removed together with the backrest upholstery. It is not possible to separate the headrest from the backrest upholstery. The backrest cover was not shown in the illustration for clarity purposes.

Scheme 105

Scheme 105: HEADRESTS OVERVIEW
  1. Backrest Frame
  2. Headrest Guide Without release button Removing and installing, refer to «HEADREST GUIDE»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan) Always installed on right side of backrest
  3. Headrest With padding Headrest laid in foam in upholstery Removing and installing, refer to «BACKREST COVER AND PADDING, SUPER SPORT SEAT»(/audi/a4/b8-2007-2012/remont/seats/#seat-upholstery-covers-sedan__backrest-cover-and-padding-super-sport)
  4. Headrest Guide With release button Removing and installing, refer to «HEADREST GUIDE»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan) Always installed on left side of backrest

The assembly overview shows the power standard front seat. The seat height adjustment motor is similar for the super sport front seat.

The assembly overview shows a manual standard front seat. The lumbar support adjustment switches on the super sport front seat are identical.

The assembly overview shows the power standard front seat. The seat forward/back adjustment and lumbar support adjustment motors are identical on the super sport front seat.

The assembly overview shows the power standard front seat. The memory seat adjustment control module of the super sport front seat is similar.

The assembly overview shows a manual standard front seat. The modular wiring for the super sport front seat is similar.

The assembly overview shows the power standard front seat. The driver or front passenger seat adjustment control head is similar on the super sport front seat.

The assembly overview shows the power standard front seat. The seat angle adjustment motor is similar for the super sport front seat.

The assembly overview shows a manual sport front seat. The seat depth adjuster is similar for the super sport front seat.

The assembly overview shows the power standard front seat. The lower seat frame is similar for the super sport front seat.

The assembly overview shows the power standard front seat. The trims on the sill and tunnel side of the super sport front seat are similar.

The assembly overview shows the power standard front seat. The trim retaining bracket on the sill side of the super sport front seat is similar.

The assembly overview shows the power Standard front seat. The storage compartment is similar for the super sport front seat.

SUPER SPORT FRONT SEAT OVERVIEW

Note. The overview is based on the driver seat. The passenger seat is similar and the components are installed reversed from left to right. The illustration does not show the floor covering and the four-way lumbar support.

Scheme 106

Scheme 106: SUPER SPORT FRONT SEAT OVERVIEW
  1. Seat Depth Adjuster Removing and installing, refer to «SEAT DEPTH ADJUSTER»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__seat-depth-adjuster)
  2. Cover For the seat rail Removing and installing, refer to «SEAT RAIL COVER»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__seat-rail-cover)
  3. Bolt 50 Nm
  4. Spindle Cover Clipped to the seat forward/back adjustment spindle Removing and installing, refer to «SEAT RAIL SPINDLE COVER»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan)
  5. LATCH Child Seat Anchor Vehicles with special equipment For the front passenger seat only Removing and installing, refer to «LATCH CHILD SEAT ANCHORAGE FRONT SEAT»(/audi/a4/b8-2007-2012/remont/airbag/#passenger-protection-airbags-seat-belts-sedan__latch-child-seat-anchorage-front-seat) Check after accident, refer to «LATCH AND TOP TETHER CHILD SEAT ANCHORAGES (ISOFIX), CHECKING AFTER COLLISION»(/audi/a4/b8-2007-2012/remont/airbag/#passenger-protection-airbags-seat-belts-sedan__latch-and-top-tether-child-seat)
  6. Tunnel Side Trim Removing and installing, refer to «TRIM, TUNNEL SIDE»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__trim-tunnel-side)
  7. Bolt 50 Nm
  8. Super Sport Front Seat Removing and installing, refer to «POWER STANDARD FRONT SEAT»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__power-standard-front-seat)
  9. Cover For the seat rail Removing and installing, refer to «SEAT RAIL COVER»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__seat-rail-cover)
  10. Sill-Side Trim Removing and installing, refer to «TRIM, SILL SIDE»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan)
  11. Bolt 50 Nm
  12. Cover For the seat rail Removing and installing, refer to «SEAT RAIL COVER»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__seat-rail-cover)
  13. Lower Seat Pan Frame Assembly overview, refer to «SEAT PAN OVERVIEW»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__seat-pan-overview) Removing and installing, refer to «FORWARD/BACK ADJUSTMENT MOTOR»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan)
  14. Actuator For backrest adjustment Actuator, removing and installing, refer to «BACKREST AND HEADREST ADJUSTMENT ACTUATOR»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__backrest-and-headrest-adjustment-actuator) Control head, removing and installing, refer to «SEAT ADJUSTMENT CONTROL HEAD»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan)
  15. Actuator For seat adjustment Actuator, removing and installing, refer to «SEAT ADJUSTMENT CONTROL SWITCH»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__seat-adjustment-control-switch) Control head, removing and installing, refer to «SEAT ADJUSTMENT CONTROL HEAD»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan)
  16. Actuator For the lumbar support Lumbar support adjustment switch, removing and installing, refer to «LUMBAR SUPPORT ADJUSTMENT SWITCH»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan) Four-way lumbar support, removing and installing, refer to «FOUR-WAY LUMBAR SUPPORT»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan)
  17. Spindle Cover Clipped to the seat forward/back adjustment spindle Removing and installing, refer to «SEAT RAIL SPINDLE COVER»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan)
  18. Cover For connector station Removing and installing, refer to «FRONT SEATS, BRINGING INTO THE SERVICE POSITION»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__front-seats-bringing-into-the-service)
  19. Connector Station Connector routing, refer to «CONNECTOR STATION CONNECTORS OVERVIEW»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__connector-station-connectors-overview)
  20. Cover For the seat rail Removing and installing, refer to «SEAT RAIL COVER»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__seat-rail-cover)
  21. Bolt 50 Nm
  22. Connector With a corrugated tube for the modular wiring routing Modular wiring with corrugated tube on front seat, refer to «MODULAR WIRE ROUTING WITH RIDGED TUBE ON FRONT SEAT»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__modular-wire-routing-with-ridged-tube)

The assembly overview shows a manual standard front seat. The torsion bar is similar for the super sport front seat.

Scheme 107

Scheme 107: BENCH SEAT OVERVIEW
  1. Bench Seat NOTE: The wire frame of the bench seat must be checked after every disassembly of the bench seat and be readjusted in the case of deformation. One piece Removing and installing, refer to «BENCH SEAT»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__bench-seat) Check and readjust the wire frame, refer to «FLOOR PANEL FOR BENCH SEAT MOUNTING GROMMETS AND WIRE FRAME, CHECKING AND ALIGNING»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__floor-panel-for-bench-seat-mounting)
  2. Cover For LATCH Vehicles with special equipment Quantity: 4 Clipped to the LATCH child seat anchorage brackets that are welded to the floor
  3. Mounting Grommet NOTE: Replace the mounting grommets each time the bench seat is removed. Quantity: 2 For securing bench seat Clipped into the underbody Removing and installing, refer to «BENCH SEAT»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__bench-seat) .
  4. Underbody NOTE: The floor panel into which the mounting grommets are inserted must be checked after every disassembly of the bench seat and be readjusted in the case of deformation. Check and readjust the floor panel, refer to «FLOOR PANEL FOR BENCH SEAT MOUNTING GROMMETS AND WIRE FRAME, CHECKING AND ALIGNING»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__floor-panel-for-bench-seat-mounting)

Scheme 108

Scheme 108: CENTER ARMREST WITH COVER AND TRIM OVERVIEW
  1. Right 2/3 Section Of Backrest Without Pass-Through Vehicles with special equipment Center armrest with cover and trim assembly overview
  2. Bracket with Hinges Removing and installing, refer to «BRACKET WITH HINGES, NON-LOCKING COVER»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__bracket-with-hinges-non-locking-cover)
  3. Cover Removing and installing, refer to «STORAGE COMPARTMENT COVER TRIM»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__storage-compartment-cover-trim)
  4. Screws Quantity: 4 Self-locking Always replace if removed 11 Nm
  5. Bolt 4 Nm
  6. Cover For backrest Removing and installing, refer to «BACKREST COVER»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan)
  7. Trim For backrest Removing and installing, refer to «BACKREST TRIM»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__backrest-trim)
  8. Center Armrest Removing and installing, refer to «CENTER ARMREST, SPLIT BACKREST»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__center-armrest-split-backrest)
  9. Bolt 0.9 Nm
  10. Bolt 4 Nm
  11. Rivet Rivet using special pop rivet pliers V.A.G 1753A
  12. Nuts Quantity: 2 Self-locking Always replace if removed 8 Nm

Scheme 109

Scheme 109: CENTER ARMREST AND BACKREST COVER WITH TRIM, FIXED REAR SEAT BACKREST OVERVIEW
  1. Center Armrest Removing and installing, refer to «CENTER ARMREST, FIXED REAR SEAT BACKREST»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__center-armrest-fixed-rear-seat-backrest) Versions with cupholder: Cupholder trim, removing and installing, refer to «CUPHOLDER TRIM»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__cupholder-trim) Cupholder, removing and installing, refer to «CUPHOLDER»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__cupholder)
  2. Cover For backrest Removing and installing, refer to «BACKREST COVER, FIXED REAR SEAT BACKREST»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__backrest-cover-fixed-rear-seat-backrest)
  3. Trim For backrest Removing and installing, refer to «BACKREST TRIM, FIXED REAR SEAT BACKREST»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__backrest-trim-fixed-rear-seat-backrest)
  4. Bolt Quantity: 2 4 Nm
  5. Fixed Rear Seat Backrest Vehicles with special equipment Removing and installing, refer to «REAR SEAT BACKREST, FIXED»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__rear-seat-backrest-fixed)
  6. Nut Quantity: 2 5 Nm
  7. Bracket With hinges Removing and installing, refer to «BACKREST COVER, FIXED REAR SEAT BACKREST»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__backrest-cover-fixed-rear-seat-backrest)
  8. Bolt Quantity: 4 Self-locking Always replace if removed 11 Nm
  9. Bolt Quantity: 2 8 Nm
  10. Bolt 0.9 Nm

Scheme 110

Scheme 110: CENTER ARMREST AND LOCKABLE STORAGE COMPARTMENT OVERVIEW
  1. 2/3 Right Backrest Without pass-through opening Vehicles with special equipment Versions with center armrest with storage compartment (lockable backrest cover)
  2. Bracket With hinges Removing and installing, refer to «BRACKET WITH HINGES, LOCKABLE STORAGE COMPARTMENT»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__bracket-with-hinges-lockable-storage-compartment)
  3. Cover Removing and installing, refer to «STORAGE COMPARTMENT COVER TRIM»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__storage-compartment-cover-trim)
  4. Screws Quantity: 4 Self-locking Always replace if removed 11 Nm
  5. Storage Compartment (Backrest Cover) Removing and installing, refer to «LOCKABLE ARMREST STORAGE COMPARTMENT»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__lockable-armrest-storage-compartment)
  6. Bolt 4 Nm
  7. Cover For storage compartment (cover for armrest) Can be removed only with the storage compartment (cover for armrest) Is not possible to separate from the storage compartment (cover for armrest)
  8. Center Armrest Removing and installing, refer to «CENTER ARMREST, SPLIT BACKREST»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__center-armrest-split-backrest)
  9. Bolt 4 Nm
  10. Rivet Rivet using special pop rivet pliers V.A.G 1753A
  11. Nuts Quantity: 2 Self-locking Always replace if removed 8 Nm

Scheme 111

Scheme 111: CENTER ARMREST WITH PASS-THROUGH COVER OVERVIEW
  1. 2/3 Right Backrest With pass-through opening Vehicles with special equipment
  2. Cover Frame Clipped into the rear seat backrest Removing and installing, refer to «COVER FRAME»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__cover-frame)
  3. Hood For the pass-through opening Removing and installing, refer to «PASS-THROUGH COVER»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__pass-through-cover)
  4. Lock Washers For bolt -6- Quantity: 2
  5. Bracket Part of the center armrest and pass-through cover assembly Is not removed individually
  6. Screws Quantity: 2 8 Nm
  7. Bolt Quantity: 4 Self-locking Always replace if removed 11 Nm
  8. Internal Upholstery Removing and installing, refer to «INTERNAL PADDING»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__internal-padding)
  9. Center Armrest Removing and installing, refer to «CENTER ARMREST COVER, PASS-THROUGH»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__center-armrest-cover-pass-through)
  10. Trim For the cupholder Removing and installing, refer to «CUPHOLDER TRIM»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__cupholder-trim)
  11. Cup Holder Removing and installing, refer to «CUPHOLDER»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__cupholder)
  12. Key
  13. Lock Cylinder For the pass-through door Removing and installing, refer to «PASS-THROUGH COVER LOCK CYLINDER»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__pass-through-cover-lock-cylinder) CAUTION: Only remove and install the lock cylinder with the key inserted correctly. If that is not done, the tumblers and compression springs can fall out and the lock cylinder will be ruined. Check the installation position when installing the lock cylinder. It is not possible to lock the backrest correctly if the installation position is not correct.
  14. Protective Cap For lock cylinder Remove before installing the lock cylinder CAUTION: The key must be inserted in the lock cylinder correctly before the protective cap is removed. If that is not done, the tumblers and compression springs can fall out and the lock cylinder will be ruined.

DIVIDED BACKREST OVERVIEW

Note. The backrest is divided into 2/3 on the right and 1/3 on the left.

Scheme 112

Scheme 112: DIVIDED BACKREST OVERVIEW
  1. Center Bracket Removing and installing, refer to «BRACKET, CENTER»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__bracket-center)
  2. Screws Quantity: 4 16.5 Nm
  3. Inner Bracket Quantity: 2 Assembly overview (Scheme 113)Removing and installing, refer to «BRACKET, INNER»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__bracket-inner)
  4. Center Armrest Versions with Pass-Through Door: Assembly overview, refer to «CENTER ARMREST WITH PASS-THROUGH COVER OVERVIEW»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan) Removing and installing, refer to «CENTER ARMREST, PASS-THROUGH»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__center-armrest-pass-through) Versions with Storage Compartment (Armrest with Lockable Cover): Assembly overview, refer to «CENTER ARMREST AND LOCKABLE STORAGE COMPARTMENT OVERVIEW»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan) The center armrest and storage compartment can only be removed and installed separately Center armrest, removing and installing refer to «CENTER ARMREST, SPLIT BACKREST»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__center-armrest-split-backrest) Storage compartment (armrest with lockable cover), removing and installing refer to «LOCKABLE ARMREST STORAGE COMPARTMENT»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__lockable-armrest-storage-compartment) Versions without Storage Compartment (Armrest Cover and Trim): Assembly overview, refer to «CENTER ARMREST WITH COVER AND TRIM OVERVIEW»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan) The center armrest as well as the backrest cover and trim can only be removed and installed separated. Center armrest, removing and installing, refer to «CENTER ARMREST, SPLIT BACKREST»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__center-armrest-split-backrest) Backrest trim, removing and installing, refer to «BACKREST TRIM»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__backrest-trim) Backrest cover, removing and installing, refer to «BACKREST COVER»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan)
  5. 2/3 Right Backrest Optional equipment: Without center armrest and storage compartment and without center armrest and pass-through cover With the center armrest and storage compartment With center armrest and pass-through cover Removing and installing, refer to «DIVIDED BACKREST»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__divided-backrest)
  6. Bolt 9 Nm if equipped with side airbag 3 Nm if equipped without side airbag
  7. Side Upholstery Versions without side airbag: Removing and installing, refer to «SIDE UPHOLSTERY»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__side-upholstery) Versions with side airbag: Assembly overview, refer to «REAR SIDE AIRBAG OVERVIEW»(/audi/a4/b8-2007-2012/remont/airbag/#passenger-protection-airbags-seat-belts-sedan)
  8. Right Head Restraint Assembly overview, refer to «HEADREST AND HEADREST GUIDE OVERVIEW»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan) Removing and installing, refer to «HEADREST»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__headrest)
  9. Rear Center Belt Guide Replace the entire belt guide if damaged. Removing and installing, refer to «CENTER REAR BELT GUIDE, WITH FOLDABLE REAR SEAT BACKREST»(/audi/a4/b8-2007-2012/remont/airbag/#passenger-protection-airbags-seat-belts-sedan__center-rear-belt-guide-with-foldable)
  10. Center Head Restraint Assembly overview, refer to «HEADREST AND HEADREST GUIDE OVERVIEW»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan) Removing and installing, refer to «HEADREST»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__headrest)
  11. Center Bracket Cover Removing and installing, refer to «CENTER STORAGE COMPARTMENT COVER»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__center-storage-compartment-cover)
  12. Bolt 9 Nm
  13. Left Head Restraint Assembly overview, refer to «HEADREST AND HEADREST GUIDE OVERVIEW»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan) Removing and installing, refer to «HEADREST»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__headrest)
  14. Trim For locking with locking cylinder Assembly overview, refer to «LOCK CYLINDER OVERVIEW»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__lock-cylinder-overview) Removing and installing, refer to «LOCK TRIM, WITH LOCK CYLINDER»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__lock-trim-with-lock-cylinder)
  15. Locking Tab For backrest Assembly overview, refer to «LOCK CYLINDER OVERVIEW»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__lock-cylinder-overview) Removing and installing, refer to «BACKREST LOCK»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__backrest-lock)
  16. Left 1/3 Backrest Removing and installing, refer to «DIVIDED BACKREST»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__divided-backrest)
  17. Outer Bracket Quantity: 2 Clipped into the backrest shell Removing and installing, refer to «BRACKET, OUTER»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__bracket-outer)
  18. Securing Bracket For the center bracket Removing and installing, refer to «BRACKET, SECURING»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__bracket-securing)

Scheme 113

Scheme 113
  1. Backrest shell
  2. Grommet
  3. Bolt - 15 Nm
  4. Washer

Scheme 114

Scheme 114: FIXED REAR SEAT BACKREST OVERVIEW
  1. Fixed Rear Seat Backrest Vehicles with special equipment Removing and installing, refer to «REAR SEAT BACKREST, FIXED»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__rear-seat-backrest-fixed)
  2. Head Restraint Assembly overview, refer to «HEADREST AND HEADREST GUIDE OVERVIEW»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan) Removing and installing, refer to «HEADREST»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__headrest)
  3. Mounts Each mounted to the body by 2 rivets
  4. Bolt Quantity: 3 30 Nm
  5. Rear Panel Trim Removing and installing, refer to «REAR BULKHEAD TRIM, FIXED REAR SEAT BACKREST»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__rear-bulkhead-trim-fixed-rear-seat)
  6. Center Armrest Assembly overview, refer to «CENTER ARMREST AND BACKREST COVER WITH TRIM, FIXED REAR SEAT BACKREST OVERVIEW»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan) Removing and installing, refer to «CENTER ARMREST, SPLIT BACKREST»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__center-armrest-split-backrest)
  7. Bolt Quantity: 2 33 Nm

Scheme 115

Scheme 115: HEADREST AND HEADREST GUIDE OVERVIEW
  1. Foldable Backrest
  2. Headrest Guide With securing spring -arrow A- Always installed on the right Removing and installing, refer to «HEADREST GUIDE»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan)
  3. Head Restraint Removing and installing, refer to «HEADREST»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__headrest)
  4. Headrest Guide With headrest height adjustment button -arrow B- Always installed on the left Removing and installing, refer to «HEADREST GUIDE»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan)

LOCK CYLINDER OVERVIEW

Note. The assembly overview is based on the latching for the left 1/3 backrest. The latching of the right 2/3 backrest is similar.

Scheme 116

Scheme 116: LOCK CYLINDER OVERVIEW
  1. Backrest Shell
  2. Key
  3. Lock Cylinder Removing and installing, refer to «LOCK CYLINDER»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__lock-cylinder) CAUTION: Only remove and install the lock cylinder with the key inserted correctly. If that is not done, the tumblers and compression springs can fall out and the lock cylinder will be ruined. Check the installation position when installing the lock cylinder. It is not possible to lock the backrest correctly if the installation position is not correct.
  4. Protective Cap For lock cylinder Remove before installing the lock cylinder CAUTION: The key must be inserted in the lock cylinder correctly before the protective cap is removed. If that is not done, the tumblers and compression springs can fall out and the lock will be ruined.
  5. Trim For locking and lock cylinder Removing and installing, refer to «LOCK TRIM, WITH LOCK CYLINDER»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__lock-trim-with-lock-cylinder)
  6. Locking Tab For backrest Removing and installing, refer to «BACKREST LOCK»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__backrest-lock)
  7. Bolt 2 per retainer 25 Nm

SEAT BENCH WITH CENTER STORAGE OVERVIEW

The assembly overview is based on the one-piece seat bench. The seat bench with the center storage is similar.

AIRBAG ADAPTERVAS 6281 CONNECTING

Special tools and workshop equipment required

  1. Airbag Adapter VAS 6281

Airbag Connector, Disconnecting

WARNINGFollow all safety precautions when working on pyrotechnic components. Refer to GENERAL INFORMATION . Before handling pyrotechnical components (for example, disconnecting the connector), the person handling them must discharge static electricity. For example, by briefly touching the door striker pin.

Disconnect the side airbag connector DISCONNECTING AND CONNECTING THE HARNESS CONNECTORS .

Scheme 117

Scheme 117

Connect Airbag Adapter VAS 6281 to side airbag connector on seat side -1-.

CAUTIONThe Airbag Adapter VAS 6281 must stay connected to seat until seat is installed again.

Note. Ensure airbag adapter engages correctly.

Airbag Connector, Connecting

Connecting the airbag wiring harnesses happens in reverse order, noting the following

WARNINGFollow all safety precautions when working on pyrotechnic components. Refer to GENERAL INFORMATION . Before handling pyrotechnical components (for example, connecting electrical connector), the person handling them must discharge static electricity. For example, by briefly touching the door striker pin.

Note. Make sure the connectors are installed all the way in and are secure.

WARNINGConnect the battery with the ignition switched on. Pyrotechnic components could deploy after connecting the battery if they were not repaired correctly. Individuals must not be inside the vehicle when connecting the battery.

Connect the battery ground cable with the ignition turned on. Refer to [For engine(s) CAEB, CALA, CCBA] Removal and Installation .

Note. If the airbag indicator lamp -K75- indicates a fault after installation, the DTC memory must be checked, deleted and checked again using the Vehicle Diagnostic Tester.

BACKREST ADJUSTMENT WHEEL

Special tools and workshop equipment required

  1. Assembly Tool 3399

Removing

Scheme 118

Scheme 118

Turn the backrest adjustment wheel -1- until a locking mechanism is visible from behind -arrow A-. It may be necessary to use a flashlight.

Engage the 3399 and pry it in the direction of -arrow B-.

Turn backrest adjustment wheel about 120° more.

Engage the 3399 and pry it in the direction of -arrow B-.

Remove the backrest adjustment wheel.

Installing

Install in reverse order of removal. Note the following

If the backrest adjustment wheel is too loose after it is installed, replace it.

BACKREST COVER (SECTION ONE)

Note. Removal and installation can be done with seat installed. The following describes removing and installing the Standard front seat. It is identical for the other seat versions. The illustration shows a backrest cover without a storage net. The storage net cannot be removed from the backrest cover and can only be replaced together with the backrest cover.

Removing

Scheme 119

Scheme 119: BACKREST COVER (SECTION ONE)
WARNINGDanger of being injured by burrs on the backrest cover. Wear protective gloves.

Reach behind the backrest cover -1- as shown in the illustration, and pull it to the right and off the seat backrest -2-.

Note. If it is difficult to remove, use the 80 - 200.

Repeat the process on the other side.

Loosen all the hooks.

Remove the backrest cover further and roll it up until the lower hooks come out of the backrest frame.

Remove the backrest cover downward.

Installing

Scheme 120

Scheme 120

Install in reverse order of removal. Note the following

First push the upper hook -2- under the upper backrest cross member -1-.

Tilt the backrest cover down and engage the side retaining tabs -3- and -5- and the lower hooks -4-.

Make sure the tabs on the side fit correctly into the backrest frame and the lower hooks are bent correctly over the backrest frame.

Press the backrest cover firmly into the areas marked with circles -arrows- in the direction of the backrest.

Scheme 121

Scheme 121

Check if the backrest cover is correctly locked.

  1. It must not be possible to move the backrest cover at the bottom.

BACKREST COVER (SECTION TWO)

Note. Removal and installation can be done with seat installed. The following describes removing and installing the standard front seat. It is identical for the other seat versions. The illustration shows a backrest cover without a storage net. The storage net cannot be removed from the backrest cover and can only be replaced together with the backrest cover.

Removing

Scheme 122

Scheme 122: BACKREST COVER (SECTION TWO)
WARNINGWear protective gloves to avoid injury from burrs that may be on the backrest cover.

Disengage the side lower hooks -3- (quantity 2) for the backrest cover -2- from the backrest frame trim -1-.

Press the backrest cover -1- toward the center of the seat in the direction of -arrow A-.

Scheme 123

Scheme 123

Remove the backrest cover back in the direction of -arrow B-.

Do the same on the opposite side.

Disengage the side backrest cover -2- -arrows A, B, E and F-.

Scheme 124

Scheme 124

Reach behind the backrest cover -1- and remove the right side from the backrest -2-.

Do the same to the opposite side of the backrest cover -1-.

Loosen the side retaining hooks -3- or -5-. (Scheme 78)

Remove the backrest cover -1- further and bend it until the upper hooks -2- disengage from the backrest frame.

Scheme 125

Scheme 125

Note. The illustration does not show the upper hooks.

Tip the backrest cover -1- back slightly.

Press the backrest cover -1- down in the direction of -arrow A-.

Scheme 126

Scheme 126

Lift the backrest cover in the direction of -arrow B- and remove it from the backrest frame.

Installing

Install in reverse order of removal. Note the following

First slide the upper hooks -2- under the top backrest frame cross panel.

Tilt the backrest cover down and engage the side retaining tabs -3- and -5- and the lower hooks -4-.

Make sure the side retaining tabs -3- and -5- engage with the backrest frame trim correctly and the lower hooks -4- slide over the backrest frame trim seats.

Press the backrest cover firmly into the areas marked with circles in the direction of the backrest.

Scheme 127

Scheme 127

Check if the backrest cover is correctly locked.

  1. It must not be possible to move the backrest cover at the bottom.

BACKREST FRAME TRIM

Note. The following describes removing and installing the standard front seat. It is identical for the other seat versions.

Removing

Scheme 128

Scheme 128: BACKREST FRAME TRIM

Remove backrest cover panel. Refer to BACKREST COVER (SECTION TWO) .

Remove the backrest upholstery until the 2 retaining tabs -arrow A- and -arrow B- on the backrest frame trim -2- can be seen from behind.

Disengage the retaining tabs -arrow A- and -arrow B- on the backrest frame trim -2- at the backrest frame -1-.

Scheme 129

Scheme 129

Remove the backrest frame trim -2- upward from the backrest frame -1-.

Scheme 130

Scheme 130

Disengage the lower seats -arrows- (quantity: 2) on the backrest frame.

Remove the backrest frame trim from the backrest frame.

Installing

Install in reverse order of removal.

BACKREST FRONT

Note. The following describes removing and installing the standard driver seat. It is similar on the passenger seat and on other seat versions.

Special tools and workshop equipment required

  1. Trim Removal Wedge 3409

Removing

WARNINGFollow all safety precautions when working on pyrotechnic components. Refer to GENERAL INFORMATION . Before handling pyrotechnical components (for example, disconnecting the connector), the person handling them must discharge static electricity. For example, by briefly touching the door striker pin.

Remove the front seat

  1. Standard seat and Sport seat (manual). Refer to «MANUAL STANDARD FRONT SEAT»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__manual-standard-front-seat) .
  2. Standard and sport power seat, comfort seat and super sport seat. Refer to «POWER STANDARD FRONT SEAT»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__power-standard-front-seat) .

Attach the front seat to the VAS 6136. Refer to FRONT SEATS, INSTALLING ON THE Fixture For Seat RepairVAS 6136 .

Remove tunnel side trim panel. Refer to TRIM, TUNNEL SIDE .

Remove tunnel side trim panel

  1. Standard seat and sport seat (manual). Refer to «TRIM, SILL SIDE»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__trim-sill-side) .
  2. Standard and sport power seat, comfort seat and super sport seat. Refer to «TRIM, SILL SIDE»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan) .

Using the 3409, unclip the wiring harness -1- in the corrugated tube -2- at the bottom side of the seat pan and remove the wiring bracket.

Scheme 131

Scheme 131

Disconnect all the wiring harness connectors to the backrest and free up the disconnected wiring harnesses.

Note. The wiring harness between the connection point and the side airbag is continuous.

Remove the bolts -2-.

Scheme 132

Scheme 132

Tip backrest -3- forward onto seat pan -1-.

Press the seat pan upholstery to the side and carefully remove side airbag wiring harness -4- and, if necessary, all additional wiring harnesses (depending on equipment) from the seat pan.

Remove backrest.

Installing

WARNINGFollow all safety precautions when working on pyrotechnic components. Refer to GENERAL INFORMATION . Before handling pyrotechnical components (for example, connecting electrical connector), the person handling them must discharge static electricity. For example, by briefly touching the door striker pin.

Install in reverse order of removal. Note the following

Note. Make sure the connectors are installed all the way in and are secure.

WARNINGConnect the battery with the ignition switched on. Pyrotechnic components could deploy after connecting the battery if they were not repaired correctly. Individuals must not be inside the vehicle when connecting the battery.

Connect the battery ground cable with the ignition turned on. Refer to [For engine(s) CAEB, CALA, CCBA] Removal and Installation .

Note. If the airbag indicator lamp -K75- indicates a fault after installation, the DTC memory must be checked, deleted and checked again using the Vehicle Diagnostic Tester.

DISCONNECTING AND CONNECTING THE HARNESS CONNECTORS

Note. The connector station is located in the underbody under the front seat area.

Special tools and workshop equipment required

  1. Trim Removal Wedge 3409
  2. Airbag Adapter VAS 6281

Connectors, disconnecting

WARNINGFollow all safety precautions when working on pyrotechnic components. Refer to GENERAL INFORMATION .

Bring headrest into lowest lock position.

Move seat as far back and up as possible.

Turn on the ignition.

Disconnect the battery ground cable from the battery with the ignition on. Refer to [For engine(s) CAEB, CALA, CCBA] Removal and Installation .

Unclip the front cover -1- with 3409 and pull cover in the direction of the -arrow- off connector station -2-.

Remove the wire holder -3- from the connector station.

Scheme 133

Scheme 133

Note. The number of harness connectors may vary depending on the equipment. The description shows the version with the most equipment.

WARNINGBefore handling pyrotechnical components (for example, disconnecting the connector), the person handling them must discharge static electricity. For example, by briefly touching the door striker pin.

Remove side airbag connector -1-.

Connect the airbag adapter VAS 6281 to the side airbag connector on the front seat Airbag Adapter VAS 6281 CONNECTING .

Vehicles with seat heating: Disconnect the connector for the seat heating -2-.

Vehicles with power seats: Disconnect the connector for the power supply for seat adjuster -4-.

Disconnect the seat belt latch connector -5-.

Vehicles equipped with a DVD player

Scheme 134

Scheme 134

Push the grommet -3- to the side.

Disconnect and free up the electrical connectors -1- and -2- and free up the wiring harness.

Connectors, connecting

WARNINGFollow all safety precautions when working on pyrotechnic components. Refer to GENERAL INFORMATION . Before handling pyrotechnical components (for example, connecting electrical connector), the person handling them must discharge static electricity. For example, by briefly touching the door striker pin.

When connecting the wiring harnesses happens in reverse order, note the following

Note. Make sure the connectors are installed all the way in and are secure.

WARNINGConnect the battery with the ignition switched on. Pyrotechnic components could deploy after connecting the battery if they were not repaired correctly. Individuals must not be inside the vehicle when connecting the battery.

Connect the battery ground cable with the ignition turned on. Refer to [For engine(s) CAEB, CALA, CCBA] Removal and Installation .

Note. If the airbag indicator lamp -K75- indicates a fault after installation, the DTC memory must be checked, deleted and checked again using the Vehicle Diagnostic Tester.

DVD PLAYER RETAINING PLATE

Removing

Scheme 135

Scheme 135: DVD PLAYER RETAINING PLATE

Remove front backrest cover and upholstery. Refer to BACKREST COVER AND PADDING .

Remove the bolts -1-.

Remove the retaining plate -2- for the screen console.

Remove the nut -2-.

Guide socket -4- and washer -3- out of mount -1-.

Installing

Installation is reverse of removal, noting the following

Pull washer -3- up and slide socket -4- from the side into mount -1-.

  1. The socket must fit in the center of the mount.

Hold the socket in this position and tighten the nut.

Install the retaining plate hooks into the backrest frame -3- -arrows-.

Tighten the bolts.

Tightening specifications (Scheme 64), (Scheme 65).

FOUR-WAY LUMBAR SUPPORT

The following describes the removal and installation of a power standard front seat. The procedure is similar for a manual standard front seat.

HEADREST GUIDE

Removing

WARNINGFollow all safety precautions when working on pyrotechnic components. Refer to GENERAL INFORMATION . Before handling pyrotechnical components (for example, disconnecting the connector), the person handling them must discharge static electricity. For example, by briefly touching the door striker pin.

Turn on the ignition.

Disconnect the battery ground cable from the battery with the ignition on. Refer to [For engine(s) CAEB, CALA, CCBA] Removal and Installation .

Remove the front seat

  1. Standard seat and Sport seat (manual). Refer to «MANUAL STANDARD FRONT SEAT»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__manual-standard-front-seat) .

Attach the front seat to the VAS 6136 FRONT SEATS, INSTALLING ON THE Fixture For Seat Repair VAS 6136 .

Remove backrest panel

  1. Two section backrest cover. Refer to «BACKREST COVER (SECTION TWO)»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__backrest-cover-section-two) .
  2. One section backrest cover. Refer to «BACKREST COVER (SECTION ONE)»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__backrest-cover-section-one) .

Remove the headrests. Refer to HEADRESTS WITH LOCKING MECHANISM .

Remove cover with upholstery. Refer to BACKREST COVER AND PADDING .

Headrest guide without release button

Scheme 136

Scheme 136

Press the retaining tabs -arrows- on the headrest guide -1- toward the center of the headrest guide.

Hold the retaining tabs down.

Pull the headrest guide up out of the backrest frame -2-.

Headrest guide with release button

Scheme 137

Scheme 137

Press the retaining tabs -arrows- on the headrest guide -1- toward the center of the headrest guide.

Hold the retaining tabs down.

Pull the headrest guide up out of the backrest frame -2-.

Installing

WARNINGFollow all safety precautions when working on pyrotechnic components. Refer to GENERAL INFORMATION . Before handling pyrotechnical components (for example, connecting electrical connector), the person handling them must discharge static electricity. For example, by briefly touching the door striker pin.

Install in reverse order of removal. Note the following

Headrest guide without release button

Note. When sliding the headrest guide -1- in, make sure the tab -3- engages correctly on the backrest frame -2-. Ensure retaining tabs -arrows- are engaged in the backrest frame correctly.

Headrest guide with release button

Note. When sliding the headrest guide -1- in, make sure the tab -3- engages correctly on the backrest frame -2-. Ensure retaining tabs -arrows- are engaged in the backrest frame correctly.

Continuation for headrest guide without and with release button

Note. Make sure the connectors are installed all the way in and are secure.

WARNINGConnect the battery with the ignition switched on. Pyrotechnic components could deploy after connecting the battery if they were not repaired correctly. Individuals must not be inside the vehicle when connecting the battery.

Connect the battery ground cable with the ignition turned on. Refer to [For engine(s) CAEB, CALA, CCBA] Removal and Installation .

Note. If the airbag indicator lamp -K75- indicates a fault after installation, the DTC memory must be checked, deleted and checked again using the Vehicle Diagnostic Tester.

HEADRESTS WITH LOCKING MECHANISM

Note. The headrests can be removed with the front seat installed. The release button is located on the outer left of the driver seat and inner left of the passenger seat.

Removing

Scheme 138

Scheme 138: HEADRESTS WITH LOCKING MECHANISM

Find release button pressure point -3-. It is located under the backrest cover.

Press the release button forward in the direction of the -arrow-.

Hold the release button down in this position.

Pull headrest -2- up out of guides -1- and -4-.

Note. If the release button cannot be released as described, remove the backrest cover. Refer to BACKREST COVER (SECTION TWO) for the two-section backrest cover and refer to BACKREST COVER (SECTION ONE) for the one-section backrest cover. Reach under the backrest cover and find the pressure point on the release button.

Installing

Install in reverse order of removal. Note the following

Make sure the headrest is engaged correctly in headrest guides.

LOWER SEAT FRAME, REPLACING

Note. There is no separation between the seat pan lower frame with a seat forward/back adjuster and the seat pan upper frame on the standard front seat (manual).

LUMBAR SUPPORT ADJUSTMENT SWITCH

The following describes the removal and installation of a power standard front seat. The procedure is similar for a manual standard front seat.

MANUAL STANDARD FRONT SEAT

Note. Removal and installation is described for the driver seat. The passenger seat is similar.

Removing

WARNINGFollow all safety precautions when working on pyrotechnic components. Refer to GENERAL INFORMATION .

Turn on the ignition.

Disconnect the battery ground cable from the battery with the ignition on. Refer to [For engine(s) CAEB, CALA, CCBA] Removal and Installation .

Remove the front belt anchor. Refer to FRONT BELT END FITTING .

Bring headrest into lowest lock position.

Scheme 139

Scheme 139

Press the seat forward/backward handle and move the seat -2- as far back as possible.

WARNINGBefore handling pyrotechnical components (for example, disconnecting the connector), the person handling them must discharge static electricity. For example, by briefly touching the door striker pin.

Disconnect the connectors at the connector station in the floor panel. Refer to DISCONNECTING AND CONNECTING THE HARNESS CONNECTORS .

Connect Airbag Adapter VAS 6281. Refer to Airbag Adapter VAS 6281 CONNECTING .

Remove the front bolts -1- (quantity 2) to the console -4-.

Press the seat forward/back adjustment handle and move the seat -2- as far forward as possible.

Remove the rear bolts -1- (quantity 2) to the console -3-.

With help from a second technician, lift the seat -2- out of the vehicle.

Installing

WARNINGFollow all safety precautions when working on pyrotechnic components. Refer to GENERAL INFORMATION . Before handling pyrotechnical components (for example, connecting electrical connector), the person handling them must discharge static electricity. For example, by briefly touching the door striker pin.

Install in reverse order of removal. Note the following

Remove airbag adapter VAS 6281 only after installing seat. Refer to Airbag Adapter VAS 6281 CONNECTING .

Note. Make sure the connectors are installed all the way in and are secure.

Connect the connectors to the connectors of the connector station in the floor. Refer to DISCONNECTING AND CONNECTING THE HARNESS CONNECTORS .

WARNINGConnect the battery with the ignition switched on. Pyrotechnic components could deploy after connecting the battery if they were not repaired correctly. Individuals must not be inside the vehicle when connecting the battery.

Connect the battery ground cable with the ignition turned on. Refer to [For engine(s) CAEB, CALA, CCBA] Removal and Installation .

Note. If the airbag indicator lamp -K75- indicates a fault after installation, the DTC memory must be checked, deleted and checked again using the Vehicle Diagnostic Tester.

MODULAR WIRE ROUTING WITH RIDGED TUBE ON FRONT SEAT

Note. The wires between the seat pan and the connector station are inside a double-shell corrugated tube in the so-called modulate wiring routing.

Special tools and workshop equipment required

  1. Trim Removal Wedge 3409

Opening corrugated pipe and removing individual wire

WARNINGFollow all safety precautions when working on pyrotechnic components. Refer to GENERAL INFORMATION . Before handling pyrotechnical components (for example, disconnecting the connector), the person handling them must discharge static electricity. For example, by briefly touching the door striker pin.

Remove the front seat

  1. Standard seat and Sport seat (manual). Refer to «MANUAL STANDARD FRONT SEAT»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__manual-standard-front-seat) .
  2. Standard and sport power seat, comfort seat and super sport seat. Refer to «POWER STANDARD FRONT SEAT»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__power-standard-front-seat) .

Attach the front seat to the VAS 6136. Refer to FRONT SEATS, INSTALLING ON THE Fixture For Seat RepairVAS 6136 .

Open the wiring bracket -1- using the 3409.

Remove the wiring bracket from the corrugated pipe -2-.

Note. Replacing a faulty wire or opening the corrugated tube for the side airbag, refer to [For engine(s) CAEB, CALA, CCBA] Wiring or FRONT THORAX AIRBAG IGNITER -N199- / -N200 .

Install individual wires and close corrugated pipe

Install in reverse order of removal. Note the following

When bundling and placing individual wires in the corrugated tube, make sure the wires are not twisted.

Note. Note the installation position of the two-part corrugated tube to the wiring harness and the position of the wiring bracket to the corrugated tube.

The beginning of the corrugated tube -4- should be placed immediately after the clip -2- or cable tie around the wiring harness -3-.

Scheme 140

Scheme 140

Make sure the two-part corrugated tube locks cleanly over entire length.

After connecting both halves of the corrugated pipe, wiring bracket -1- should be positioned and clipped into place according to the illustration.

Make sure the side -arrow A- of the cable bracket connects to the last rib -arrow B- on the corrugated pipe.

Install the cable ties, wiring bracket and clips in the same positions as before removal.

Note. Make sure the connectors are installed all the way in and are secure.

WARNINGConnect the battery with the ignition switched on. Pyrotechnic components could deploy after connecting the battery if they were not repaired correctly. Individuals must not be inside the vehicle when connecting the battery.

Connect the battery ground cable with the ignition turned on. Refer to [For engine(s) CAEB, CALA, CCBA] Removal and Installation .

Note. If the airbag indicator lamp -K75- indicates a fault after installation, the DTC memory must be checked, deleted and checked again using the Vehicle Diagnostic Tester.

RELEASE CABLE MOUNT LEVER AND SEAT FORWARD/BACK ADJUSTMENT SPRING

Removing

Note. The work can be performed with the seat installed.

Move the seat as far as possible up and back.

Disengage the release cable bracket -1- from the seat forward/back adjustment -2-.

Scheme 141

Scheme 141: RELEASE CABLE MOUNT LEVER AND SEAT FORWARD/BACK ADJUSTMENT SPRING

Disengage the end of the release cable -arrow- at release cable retainer lever -3- of the seat forward/back adjuster.

Turn the release cable retainer lever forward and remove it.

Remove the spring if necessary.

Installing

Install in reverse order of removal. Note the following

Note. The release cable retainer lever is the same for the driver and front passenger seat. The spring is different for the driver and front passenger seat.

Install the spring correctly.

Release cable retainer with installed spring for the left seat

Scheme 142

Scheme 142

Attach the spring at points -1- and -2-.

Turn the spring at lever -3- in a clockwise direction.

Place the spring around tab -4- so that it is touching -5-.

Release cable retainer with installed spring for the right seat

Scheme 143

Scheme 143

Attach the spring at points -1- and -2-.

Turn the spring at lever -3- in a counterclockwise direction.

Place the spring around tab -4- so that it is touching -5-.

SEAT FORWARD/BACK ADJUSTMENT HANDLE

Note. Removal and Installation can be done with the seat installed.

Removing

Scheme 144

Scheme 144: SEAT FORWARD/BACK ADJUSTMENT HANDLE

Bring headrest into lowest lock position.

Press the seat forward/backward handle and move the seat as far back as possible.

Pry the handle -1- off the seat forward/backward adjustment -2- by using a screwdriver to press down the clip locking spring.

Installing

Scheme 145

Scheme 145

Install in reverse order of removal. Note the following

Replace the clip on the seat forward/back adjustment handle. Note the installation position.

  1. The springs -arrows- (quantity: 2) on the clip -2- must be on the inner side of the lever -1-.

Make sure the seat height adjustment handle engages correctly with the clips.

SEAT FORWARD/BACK ADJUSTER RELEASE CABLE

Removing

WARNINGFollow all safety precautions when working on pyrotechnic components. Refer to GENERAL INFORMATION . Before handling pyrotechnical components (for example, disconnecting the connector), the person handling them must discharge static electricity. For example, by briefly touching the door striker pin.

Turn on the ignition.

Disconnect the battery ground cable from the battery with the ignition on. Refer to [For engine(s) CAEB, CALA, CCBA] Removal and Installation .

Remove the front seat

  1. Standard seat and sport seat (manual). Refer to «MANUAL STANDARD FRONT SEAT»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__manual-standard-front-seat) .

Attach the front seat to the VAS 6136 FRONT SEATS, INSTALLING ON THE Fixture For Seat Repair VAS 6136 .

Open the cable ties for the release cable or unclip the clip on the seat pan.

Disengage release cable bracket -1- at seat forward/back adjuster -2-.

Detach the end of the release cable -arrow- from the lever for the release cable attachment -3- from the seat forward/back adjustment.

Disengage release cable bracket -2- at seat forward/back adjuster -1-.

Scheme 146

Scheme 146

Disengage the release cable -1- that seat forward/back release cable mount -arrow A-.

Scheme 147

Scheme 147

Disengage the ball-shaped end of the release cable -arrow B- at the seat forward/back adjuster groove.

Remove the release cable.

Installing

WARNINGFollow all safety precautions when working on pyrotechnic components. Refer to GENERAL INFORMATION . Before handling pyrotechnical components (for example, connecting electrical connector), the person handling them must discharge static electricity. For example, by briefly touching the door striker pin.

Install in reverse order of removal. Note the following

Note. Make sure the connectors are installed all the way in and are secure.

WARNINGConnect the battery with the ignition switched on. Pyrotechnic components could deploy after connecting the battery if they were not repaired correctly. Individuals must not be inside the vehicle when connecting the battery.

Connect the battery ground cable with the ignition turned on. Refer to [For engine(s) CAEB, CALA, CCBA] Removal and Installation .

Note. If the airbag indicator lamp -K75- indicates a fault after installation, the DTC memory must be checked, deleted and checked again using the Vehicle Diagnostic Tester.

SEAT FORWARD/BACK ADJUSTMENT MOTOR AND LUMBAR SUPPORT ADJUSTMENT

The following describes the removal and installation of a power standard front seat. The procedure is similar for a manual standard front seat.

SEAT HEIGHT ADJUSTMENT HANDLE

Note. The seat height adjustment handle can be replaced with the front seat installed.

Special tools and workshop equipment required

  1. Hook 3438

Removing

Scheme 148

Scheme 148

Note. Remove the seat height adjustment handle -1- as described. Do not drive it off the lever -2-. If the tab -arrow- is damaged when removing the seat height adjustment handle, the handle cannot be reinstalled. It must be replaced.

Pull the seat height adjustment handle -1- as far up as possible and hold it in that position.

Scheme 149

Scheme 149

Carefully pull the seat height adjustment handle slightly away from the front seat.

Place thehook3438 between the seat height adjustment handle and the trim -2-.

Unlock the release -3- using the 3438 and at the same time, pull the seat height adjustment handle in the direction of the -arrow- from the lever.

Installing

Install in reverse order of removal. Note the following

Inspect the tab -arrow- visually.

If damage can be seen on the tab, installed a new seat height adjustment handle -1-.

Make sure the tab in the seat height adjustment handle fits correctly into the notch on the lever.

SEAT HEIGHT ADJUSTMENT

Removing

WARNINGFollow all safety precautions when working on pyrotechnic components. Refer to GENERAL INFORMATION . Before handling pyrotechnical components (for example, disconnecting the connector), the person handling them must discharge static electricity. For example, by briefly touching the door striker pin.

Turn on the ignition.

Disconnect the battery ground cable from the battery with the ignition on. Refer to [For engine(s) CAEB, CALA, CCBA] Removal and Installation .

Remove the front seat

  1. Standard seat and Sport seat (manual). Refer to «MANUAL STANDARD FRONT SEAT»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__manual-standard-front-seat) .

Attach the front seat to the VAS 6136. Refer to FRONT SEATS, INSTALLING ON THE Fixture For Seat Repair VAS 6136 .

Remove tunnel side trim panel. Refer to TRIM, SILL SIDE .

Remove bolts -2- (quantity: 2).

Scheme 150

Scheme 150

Remove the seat height adjustment handle -1-.

Remove the lock washer -1-.

Scheme 151

Scheme 151

Note. The bolts -1- and the bolt -3- are different lengths.

Remove the bolts -1- (quantity: 2) and -3- (quantity: 5).

Remove seat height adjuster -2-.

Installing

WARNINGFollow all safety precautions when working on pyrotechnic components. Refer to GENERAL INFORMATION . Before handling pyrotechnical components (for example, connecting electrical connector), the person handling them must discharge static electricity. For example, by briefly touching the door striker pin.

Install in reverse order of removal. Note the following

Note. Make sure the connectors are installed all the way in and are secure.

WARNINGConnect the battery with the ignition switched on. Pyrotechnic components could deploy after connecting the battery if they were not repaired correctly. Individuals must not be inside the vehicle when connecting the battery.

Connect the battery ground cable with the ignition turned on. Refer to [For engine(s) CAEB, CALA, CCBA] Removal and Installation .

Note. If the airbag indicator lamp -K75- indicates a fault after installation, the DTC memory must be checked, deleted and checked again using the Vehicle Diagnostic Tester.

SEAT POSITION SENSOR

The seat position sensor removal and installation procedure is similar on all seat versions.

SEAT RAIL COVER

Note. The procedure for removing and installing is described on the driver seat sill side seat rail cover. It is similar for the cover on the tunnel side.

Special tools and workshop equipment required

  1. Trim Removal Wedge 3409

Removing

WARNINGFollow all safety precautions when working on pyrotechnic components. Refer to GENERAL INFORMATION . Before handling pyrotechnical components (for example, disconnecting the connector), the person handling them must discharge static electricity. For example, by briefly touching the door striker pin.

Remove the front seat

  1. Standard seat and sport seat (manual). Refer to «MANUAL STANDARD FRONT SEAT»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__manual-standard-front-seat) .
  2. Standard and sport power seat, comfort seat and super sport seat. Refer to «POWER STANDARD FRONT SEAT»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__power-standard-front-seat) .

Unclip the retaining tabs -3, 4 and 5- on the cover -2- from the seat rail.

Scheme 152

Scheme 152

Remove the cover -1- forward parallel to the seat rail.

Installing

WARNINGFollow all safety precautions when working on pyrotechnic components. Refer to GENERAL INFORMATION . Before handling pyrotechnical components (for example, connecting electrical connector), the person handling them must discharge static electricity. For example, by briefly touching the door striker pin.

Install in reverse order of removal. Note the following

Note. Make sure the connectors are installed all the way in and are secure.

WARNINGConnect the battery with the ignition switched on. Pyrotechnic components could deploy after connecting the battery if they were not repaired correctly. Individuals must not be inside the vehicle when connecting the battery.

Connect the battery ground cable with the ignition turned on. Refer to [For engine(s) CAEB, CALA, CCBA] Removal and Installation .

Note. If the airbag indicator lamp -K75- indicates a fault after installation, the DTC memory must be checked, deleted and checked again using the Vehicle Diagnostic Tester.

SILL SIDE RETAINING BRACKET TRIM

Removing

Scheme 153

Scheme 153: SILL SIDE RETAINING BRACKET TRIM

Remove tunnel side trim panel. Refer to TRIM, SILL SIDE .

Remove bolts -2- (quantity: 3).

Remove the bracket -1- from the front seat -3-. Remove any cable ties from the retaining bracket.

Installing

Install in reverse order of removal.

SPRING MAT

Removing

WARNINGFollow all safety precautions when working on pyrotechnic components. Refer to GENERAL INFORMATION . Before handling pyrotechnical components (for example, disconnecting the connector), the person handling them must discharge static electricity. For example, by briefly touching the door striker pin.

Turn on the ignition.

Disconnect the battery ground cable from the battery with the ignition on. Refer to [For engine(s) CAEB, CALA, CCBA] Removal and Installation .

Remove the front seat

  1. Standard seat and sport seat (manual). Refer to «MANUAL STANDARD FRONT SEAT»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__manual-standard-front-seat) .

Attach the front seat to the VAS 6136. Refer to FRONT SEATS, INSTALLING ON THE Fixture For Seat RepairVAS 6136 .

Remove backrest panel

  1. Two section backrest cover. Refer to «BACKREST COVER (SECTION TWO)»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__backrest-cover-section-two) .
  2. One section backrest cover. Refer to «BACKREST COVER (SECTION ONE)»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__backrest-cover-section-one) .

Remove the headrests. Refer to HEADRESTS WITH LOCKING MECHANISM .

Remove cover with upholstery. Refer to BACKREST COVER AND PADDING .

Remove the springs -A through D- from the backrest frame -1-.

Scheme 154

Scheme 154

Note. The pull-springs -A through D- can also stay engaged in the backrest frame -1- and the spring mat -2- can be disengaged directly from the pull-springs.

Tip spring mat -2- forward.

Scheme 155

Scheme 155

Remove the spring mat out of the openings -arrows- for the backrest frame -1-.

Installing

WARNINGFollow all safety precautions when working on pyrotechnic components. Refer to GENERAL INFORMATION . Before handling pyrotechnical components (for example, connecting electrical connector), the person handling them must discharge static electricity. For example, by briefly touching the door striker pin.

Install in reverse order of removal. Note the following

Label the springs -A through D- as shown in the illustration.

WARNINGConnect the battery with the ignition switched on. Pyrotechnic components could deploy after connecting the battery if they were not repaired correctly. Individuals must not be inside the vehicle when connecting the battery.

Connect the battery ground cable with the ignition turned on. Refer to [For engine(s) CAEB, CALA, CCBA] Removal and Installation .

Note. If the airbag indicator lamp -K75- indicates a fault after installation, the DTC memory must be checked, deleted and checked again using the Vehicle Diagnostic Tester.

STORAGE COMPARTMENT

The following describes the removal and installation of a power standard front seat. The procedure is similar for a manual standard front seat.

TORSION BAR

Special tools and workshop equipment required

  1. Bracket 2024 A /1
  2. Counter hold 3145
  3. Shackles 8 mm diameter (available commercially)
  4. M10x30 bolt and nut

Removing

WARNINGFollow all safety precautions when working on pyrotechnic components. Refer to GENERAL INFORMATION . Before handling pyrotechnical components (for example, disconnecting the connector), the person handling them must discharge static electricity. For example, by briefly touching the door striker pin.
CAUTIONAdjust the front seat so that it is in the highest position. This reduces the spring force when removing and installing the torsion bar and the risk of damaging the threaded connections between upper/lower frames of the seat pan.

Remove the front seat

  1. Standard seat and sport seat (manual). Refer to «MANUAL STANDARD FRONT SEAT»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__manual-standard-front-seat) .
  2. Standard and sport power seat, comfort seat and super sport seat. Refer to «POWER STANDARD FRONT SEAT»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__power-standard-front-seat) .

Attach the front seat to the VAS 6136. Refer to FRONT SEATS, INSTALLING ON THE Fixture For Seat Repair VAS 6136 .

Remove tunnel side trim panel

  1. Standard seat and sport seat (manual), refer to «TRIM, SILL SIDE»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__trim-sill-side) .
  2. Standard seat, sport seat (power) and comfort seat, refer to «TRIM, SILL SIDE»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan) .

Remove tunnel side trim panel. Refer to TRIM, TUNNEL SIDE .

Remove the front backrest. Refer to BACKREST FRONT .

Loosen the threaded connection -3- for the front seat belt latch -1-.

Scheme 156

Scheme 156

Turn the front seat belt latch downward.

It is not necessary to disconnect or remove the electrical wire.

WARNINGThe torsion bar exerts considerable spring force. Be absolutely sure to comply with the bullet points below to avoid injury: Always remove and install the torsion bar in the sequence described and only using the tools specified. Never use pliers and other levers. Do not stand directly in front of the torsion bar when removing and installing it. Stand off to the side.

Secure the 3145 with the bracket 2024 A /1 and shackle -2- on the torsion bar -3- as illustrated.

Scheme 157

Scheme 157

1 - M10x30 bolt with nut

2 - Shackle

3 - Torsion bar

4 - Seat pan

Carefully rotate the torsion bar -1- until it disengages from the oblong hole -arrow- on the seat pan.

Scheme 158

Scheme 158

Remove the torsion bar and bracket 2024 A /1 from the seat pan -2-.

Installing

WARNINGThe torsion bar exerts considerable spring force. Be absolutely sure to comply with the bullet points below to avoid injury: Always remove and install the torsion bar in the sequence described and only using the tools specified. Never use pliers and other levers. Do not stand directly in front of the torsion bar when removing and installing it. Stand off to the side.

Slide the torsion bar -1- into the mount until the end -arrow- comes into contact with the seat pan -2-.

Scheme 159

Scheme 159

Make sure the torsion bar -2- is seated in the mounting bracket -arrow- on the seat pan -1- correctly.

Scheme 160

Scheme 160

Mount the 3145 with the bracket 2024 A /1 and threaded connection -3-, but without the shackle, to the torsion bar -1-.

Scheme 161

Scheme 161

1 - Torsion bar

2 - Seat pan

3 - Connection

Carefully rotate the torsion bar -1- until it engages in the oblong hole -arrow- on the seat pan -2-.

Installation is performed in reverse order of removal, noting the following

WARNINGFollow all safety precautions when working on pyrotechnic components. Refer to GENERAL INFORMATION . Before handling pyrotechnical components (for example, connecting electrical connector), the person handling them must discharge static electricity. For example, by briefly touching the door striker pin.

Note. Make sure the connectors are installed all the way in and are secure.

WARNINGConnect the battery with the ignition switched on. Pyrotechnic components could deploy after connecting the battery if they were not repaired correctly. Individuals must not be inside the vehicle when connecting the battery.

Connect the battery ground cable with the ignition turned on. Refer to [For engine(s) CAEB, CALA, CCBA] Removal and Installation .

Note. If the -K75- indicates a fault after installation, the DTC memory must be checked, deleted and checked again using the Vehicle Diagnostic Tester.

TORSION BAR BEARING

Removing

WARNINGFollow all safety precautions when working on pyrotechnic components. Refer to GENERAL INFORMATION . Before handling pyrotechnical components (for example, disconnecting the connector), the person handling them must discharge static electricity. For example, by briefly touching the door striker pin.
CAUTIONAdjust the front seat so that it is in the highest position. This reduces the spring force when removing and installing the torsion bar and the risk of damaging the threaded connections between upper/lower frames of the seat pan.
WARNINGThe torsion bar exerts considerable spring force. Be absolutely sure to comply with the bullet points below to avoid injury: Always remove and install the torsion bar in the sequence described and only using the tools specified. Never use pliers and other levers. Do not stand directly in front of the torsion bar when removing and installing it. Stand off to the side.

Remove the torsion bar. Refer to TORSION BAR .

Remove the bearing -1- out of the guide -2-.

Scheme 162

Scheme 162

Installing

WARNINGThe torsion bar exerts considerable spring force. Be absolutely sure to comply with the bullet points below to avoid injury: Always remove and install the torsion bar in the sequence described and only using the tools specified. Never use pliers and other levers. Do not stand directly in front of the torsion bar when removing and installing it. Stand off to the side.
WARNINGFollow all safety precautions when working on pyrotechnic components. Refer to GENERAL INFORMATION . Before handling pyrotechnical components (for example, connecting electrical connector), the person handling them must discharge static electricity. For example, by briefly touching the door striker pin.

Install in reverse order of removal. Note the following

Note. Make sure the connectors are installed all the way in and are secure.

WARNINGConnect the battery with the ignition switched on. Pyrotechnic components could deploy after connecting the battery if they were not repaired correctly. Individuals must not be inside the vehicle when connecting the battery.

Connect the battery ground cable with the ignition turned on. Refer to [For engine(s) CAEB, CALA, CCBA] Removal and Installation .

Note. If the airbag indicator lamp -K75- indicates a fault after installation, the DTC memory must be checked, deleted and checked again using the Vehicle Diagnostic Tester.

TRIM, SILL SIDE

Note. Removal and installation can be performed with the front seat installed.

Removing

Scheme 163

Scheme 163: TRIM, SILL SIDE

Bring seat as far up as possible.

Remove the backrest adjustment wheel. Refer to BACKREST ADJUSTMENT WHEEL .

Remove seat height adjustment handle. Refer to SEAT HEIGHT ADJUSTMENT HANDLE .

Remove the expanding rivet -2- for the sill side trim -1-.

Open the clips -4- (quantity: 2).

Scheme 164

Scheme 164

Unclip trim -1- on retaining bracket -3-.

Disengage trim in area of backrest adjustment wheel and seat anchor.

Remove the trim forward and up from the retaining bracket.

Note. Make sure the bracket -2- and the tab -2- are not damaged when removing the trim.

Versions with four-way lumbar support

Scheme 165

Scheme 165

Disconnect the connector -4- from the driver seat lumbar support adjustment switch -E176- -1- on the tunnel side trim -3-.

Procedure for all manual seat versions

Remove sill side trim.

Installing

Install in reverse order of removal. Note the following

Note. Make sure the tab -2- is seated correctly. Make sure the sill side trim -1- is engaged correctly on the retaining bracket -3- and the locking clips -4- are closed.

Note. Make sure the wire is as close to the connector -4- as possible.

TRIM, TUNNEL SIDE

Note. Removal and installation can only be performed with the front seat removed.

Removing

WARNINGFollow all safety precautions when working on pyrotechnic components. Refer to GENERAL INFORMATION . Before handling pyrotechnical components (for example, disconnecting the connector), the person handling them must discharge static electricity. For example, by briefly touching the door striker pin.

Remove the front seat

  1. Standard seat and sport seat (manual). Refer to «MANUAL STANDARD FRONT SEAT»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__manual-standard-front-seat) .
  2. Standard and sport power seat, comfort seat and super sport seat. Refer to «POWER STANDARD FRONT SEAT»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__power-standard-front-seat) .

Attach the front seat to the VAS 6136 FRONT SEATS, INSTALLING ON THE Fixture For Seat Repair VAS 6136 .

Remove the expanding rivets -3- and -4-.

Scheme 166

Scheme 166

Remove tunnel side trim panel -2- upward.

Note. Make sure the tab -1- is not damaged when removing the trim.

Installing

WARNINGFollow all safety precautions when working on pyrotechnic components. Refer to GENERAL INFORMATION . Before handling pyrotechnical components (for example, connecting electrical connector), the person handling them must discharge static electricity. For example, by briefly touching the door striker pin.

Install in reverse order of removal. Note the following

Note. Make sure the tab -1- is seated correctly. Make sure the connectors are installed all the way in and are secure.

WARNINGConnect the battery with the ignition switched on. Pyrotechnic components could deploy after connecting the battery if they were not repaired correctly. Individuals must not be inside the vehicle when connecting the battery.

Connect the battery ground cable with the ignition turned on. Refer to [For engine(s) CAEB, CALA, CCBA] Removal and Installation .

Note. If the airbag indicator lamp -K75- indicates a fault after installation, the DTC memory must be checked, deleted and checked again using the Vehicle Diagnostic Tester.

AIRBAG ADAPTER VAS 6281 CONNECTING

Connecting the airbag adapter on the manual standard front seat is described here. The procedure is similar on the manual sport front seat.

The following describes the removal and installation of a manual standard front seat. The procedure is similar for a power standard front seat.

BACKREST COVER

The following describes the removal and installation of a manual standard front seat. The procedure is similar for a power standard front seat.

Refer to BACKREST COVER (SECTION TWO) for the two-section backrest cover and BACKREST COVER (SECTION ONE) for the one-section backrest cover.

The following describes the removal and installation of a manual standard front seat. The procedure is similar for a power standard front seat.

The following describes the removal and installation of a manual standard front seat. The procedure is similar for a power standard front seat.

The following describes disconnecting and connecting the connectors on the manual Standard front seat. The procedure is similar on the manual sport front seat.

The following describes the removal and installation of a manual standard front seat. The procedure is similar for a power standard front seat.

The following describes removing and installing on the power standard front seat. Removal and installation of the manual sport front seat is identical.

The following describes the removal and installation of a manual standard front seat. The procedure is similar for a power standard front seat.

The following describes the removal and installation of a manual standard front seat. The procedure is similar for a power standard front seat.

The following describes the removal and installation of a manual standard front seat. The procedure is similar for a power standard front seat.

The modular wiring is described on the basis of a manual standard front seat. It is similar for the manual sport front seat.

MANUAL SPORT FRONT SEAT

The following describes removing and installing on the manual standard front seat. Removal and installation of the manual sport front seats is identical.

RETAINING BRACKET TRIM, SILL SIDE

The following describes the removal and installation of a manual standard front seat. The procedure is similar for a power standard front seat.

SEAT ANGLE ADJUSTER

Removing

WARNINGFollow all safety precautions when working on pyrotechnic components. Refer to GENERAL INFORMATION . Before handling pyrotechnical components (for example, disconnecting the connector), the person handling them must discharge static electricity. For example, by briefly touching the door striker pin.

Turn on the ignition.

Disconnect the battery ground cable from the battery with the ignition on. Refer to [For engine(s) CAEB, CALA, CCBA] Removal and Installation .

Remove the front seat

  1. Standard seat and Sport seat (manual), refer to «MANUAL STANDARD FRONT SEAT»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__manual-standard-front-seat) .

Attach the front seat to the VAS 6136 FRONT SEATS, INSTALLING ON THE Fixture For Seat Repair VAS 6136 .

Remove tunnel side trim panel. Refer to TRIM, SILL SIDE .

Remove the seat angle adjustment handle. Refer to SEAT ANGLE ADJUSTMENT HANDLE .

Remove the shoulder pin -2-.

Scheme 167

Scheme 167

Remove the screw -3-.

Remove the seat angle adjuster -1-.

Installing

WARNINGFollow all safety precautions when working on pyrotechnic components. Refer to GENERAL INFORMATION . Before handling pyrotechnical components (for example, connecting electrical connector), the person handling them must discharge static electricity. For example, by briefly touching the door striker pin.

Install in reverse order of removal. Note the following

Replace the shoulder pin -2- and the bolt -3-.

Clean the threaded holes before installing, for example using a thread tap.

Note. Make sure the connectors are installed all the way in and are secure.

WARNINGConnect the battery with the ignition switched on. Pyrotechnic components could deploy after connecting the battery if they were not repaired correctly. Individuals must not be inside the vehicle when connecting the battery.

Connect the battery ground cable with the ignition turned on. Refer to [For engine(s) CAEB, CALA, CCBA] Removal and Installation .

Note. If the airbag indicator lamp -K75- indicates a fault after installation, the DTC memory must be checked, deleted and checked again using the Vehicle Diagnostic Tester.

SEAT ANGLE ADJUSTMENT HANDLE

Note. Removal and installation can be performed with the front seat installed.

Removing

Scheme 168

Scheme 168: SEAT ANGLE ADJUSTMENT HANDLE

Remove tunnel side trim panel. Refer to TRIM, SILL SIDE .

Pry the handle -2- off the seat angle adjustment -1- by using a screwdriver to press down the clip locking spring.

Installing

Scheme 169

Scheme 169

Install in reverse order of removal. Note the following

Replace the clip on the seat height adjustment handle. Note the installation position.

Make sure the seat height adjustment handle engages correctly with the clips.

  1. The springs -arrows- (quantity: 2) on the clip -2- must be on the inner side of the lever -1-.

SEAT DEPTH ADJUSTER

Special tools and workshop equipment required

  1. Trim Removal Wedge 3409

Removing

WARNINGFollow all safety precautions when working on pyrotechnic components. Refer to GENERAL INFORMATION . Before handling pyrotechnical components (for example, disconnecting the connector), the person handling them must discharge static electricity. For example, by briefly touching the door striker pin.

Remove the front seat

  1. Manual sport seat, refer to «MANUAL STANDARD FRONT SEAT»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__manual-standard-front-seat) .
  2. Power sport seat and super sport seat, refer to «POWER STANDARD FRONT SEAT»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__power-standard-front-seat) .

Attach the front seat to the VAS 6136. Refer to FRONT SEATS, INSTALLING ON THE Fixture For Seat Repair VAS 6136 .

Equipment level with storage compartment: remove the storage compartment. Refer to STORAGE COMPARTMENT .

Remove trim. Refer to TRIM, SEAT DEPTH ADJUSTOR .

Move the seat depth adjuster all the way forward -arrow-.

Scheme 170

Scheme 170

Unclip the tabs -2- using a 3409.

Swivel the support with the seat cushion and seat cover -1- for the seat depth adjuster upward so that the tabs -arrow A- and -arrow B- remain unlocked.

Scheme 171

Scheme 171

Note. The illustration shows the upholstery disengaged.

Remove the support with the seat cushion and seat cover for the seat depth adjuster upward and toward the front.

Disengage the tabs -arrow C- on the seat depth adjuster -2- and move the support with the seat cushion and seat cover upward.

Lay the support -2- with the seat cushion and seat cover on the front seat.

Scheme 172

Scheme 172

Note. The illustration does not show the seat pan lower frame.

Remove the cushion retaining channels -1, 3, 4- across and at the sides from the seat depth adjustor.

To do this, unclip the retaining channels -1- and -2- in the direction of the -arrow- out from the tabs -3-.

Scheme 173

Scheme 173

Remove the bolts -1-, -2- and nuts -3- from the seat depth adjuster.

Scheme 174

Scheme 174

Unclip the tabs -1- and -3- using a 3409.

Scheme 175

Scheme 175

Remove the seat depth adjuster -2- from the lower seat frame upward and forward -arrows-.

Disengage the tabs -4- from the lower seat frame while doing this.

Remove the seat depth adjuster from the front seat.

Installing

WARNINGFollow all safety precautions when working on pyrotechnic components. Refer to GENERAL INFORMATION . Before handling pyrotechnical components (for example, connecting electrical connector), the person handling them must discharge static electricity. For example, by briefly touching the door striker pin.

Install in reverse order of removal. Note the following

CAUTIONTo secure the new bolts, also install nuts on the seat pan side.

Install a nut -3- on the seat pan side of each bolt -1, 2- to secure the bolts after installing them.

Note. Make sure the connectors are installed all the way in and are secure.

WARNINGConnect the battery with the ignition switched on. Pyrotechnic components could deploy after connecting the battery if they were not repaired correctly. Individuals must not be inside the vehicle when connecting the battery.

Connect the battery ground cable with the ignition turned on. Refer to [For engine(s) CAEB, CALA, CCBA] Removal and Installation .

Note. If the airbag indicator lamp -K75- indicates a fault after installation, the DTC memory must be checked, deleted and checked again using the Vehicle Diagnostic Tester.

The following describes removing and installing on the power standard front seat. Removal and installation of the manual Sport front seat is identical.

The following describes the removal and installation of a manual standard front seat. The procedure is similar for a power standard front seat.

The following describes the removal and installation of a manual standard front seat. The procedure is similar for a power standard front seat.

SEAT FORWARD/BACK ADJUSTMENT SPRING RELEASE CABLE MOUNT LEVER

The following describes the removal and installation of a manual standard front seat. The procedure is similar for a power standard front seat.

The following describes removing and installing on the power standard front seat. Removal and installation of the manual Sport front seat is identical.

The following describes the removal and installation of a manual standard front seat. The procedure is similar for a power standard front seat.

The seat position sensor removal and installation procedure is similar on all seat versions.

  1. The following describes the removal and installation of a manual standard front seat. The procedure is similar for a power standard front seat.
  2. The removal and installation procedure for the seat rail covers is described on the driver seat sill side seat rail. Removing and installing the cover on the tunnel side is similar.

The following describes the removal and installation of a manual standard front seat. The procedure is similar for a power standard front seat.

The following describes the removal and installation of a manual standard front seat. The procedure is similar for a power standard front seat.

The following describes the removal and installation of a manual standard front seat. The procedure is similar for a power standard front seat.

TRIM, SEAT DEPTH ADJUSTOR

Special tools and workshop equipment required

  1. Trim Removal Wedge 3409

Removing

WARNINGFollow all safety precautions when working on pyrotechnic components. Refer to GENERAL INFORMATION . Before handling pyrotechnical components (for example, disconnecting the connector), the person handling them must discharge static electricity. For example, by briefly touching the door striker pin.

Remove the front seat

  1. Manual Sport seat, refer to «MANUAL STANDARD FRONT SEAT»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__manual-standard-front-seat) .
  2. Power sport seat and super sport seat, refer to «POWER STANDARD FRONT SEAT»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__power-standard-front-seat) .

Attach the front seat to the VAS 6136. Refer to FRONT SEATS, INSTALLING ON THE Fixture For Seat Repair VAS 6136 .

Equipment level with storage compartment: remove the storage compartment. Refer to STORAGE COMPARTMENT .

Move the seat depth adjuster all the way forward.

Scheme 176

Scheme 176

Unclip the tabs -arrows- on the trim -1- using a 3409.

Remove the trim from the seat depth adjuster.

Installing

WARNINGFollow all safety precautions when working on pyrotechnic components. Refer to GENERAL INFORMATION . Before handling pyrotechnical components (for example, connecting electrical connector), the person handling them must discharge static electricity. For example, by briefly touching the door striker pin.

Install in reverse order of removal. Note the following

Note. Make sure the connectors are installed all the way in and are secure.

WARNINGConnect the battery with the ignition switched on. Pyrotechnic components could deploy after connecting the battery if they were not repaired correctly. Individuals must not be inside the vehicle when connecting the battery.

Connect the battery ground cable with the ignition turned on. Refer to [For engine(s) CAEB, CALA, CCBA] Removal and Installation .

Note. If the airbag indicator lamp -K75- indicates a fault after installation, the DTC memory must be checked, deleted and checked again using the Vehicle Diagnostic Tester.

The following describes the removal and installation of a manual standard front seat. The procedure is similar for a power standard front seat.

The following describes the removal and installation of a manual standard front seat. The procedure is similar for a power standard front seat.

The following describes connecting the airbag adapter for the manual standard front seat. The procedure is similar for the comfort front seat.

BACKREST ADJUSTMENT ACTUATOR

The following describes the removal and installation of a power standard front seat. The procedure is similar for a comfort front seat.

BACKREST ADJUSTMENT MOTOR

The following describes the removal and installation of a power standard front seat. The procedure is similar for a comfort front seat.

The following describes removing and installing the comfort front seat. It is identical on the comfort front seat.

Refer to BACKREST COVER (SECTION TWO) for the two-section backrest cover and BACKREST COVER (SECTION ONE) for the one-section backrest cover.

The following describes the removal and installation of a manual standard front seat. The procedure is similar for a comfort front seat.

The following describes removing and installing the comfort front seat. It is identical on the comfort front seat.

The following describes disconnecting and connecting the connectors for the manual standard front seat. The procedure is similar for the comfort front seat.

The following describes removing and installing the comfort front seat. It is identical on the comfort front seat.

FAN, LOWER BACKREST

Removing

Scheme 177

Scheme 177: FAN, LOWER BACKREST

Remove backrest panel

  1. Two section backrest cover. Refer to «BACKREST COVER (SECTION TWO)»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__backrest-cover-section-two) .
  2. One section backrest cover. Refer to «BACKREST COVER (SECTION ONE)»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__backrest-cover-section-one) .

Adjust the lumbar support to the highest curve while moving the slider -1- all the way down -arrow A-.

Note. Ignore -2-.

Disconnect the connector -1-.

Scheme 178

Scheme 178

Carefully tilt the backrest fan -2- out of the backrest upholstery -arrow-.

Installing

Scheme 179

Scheme 179

Install in reverse order of removal. Note the following

  1. The mounting eyelets on the fan housing -1- face up and down.
  2. Place the wire -2- into the gap in the backrest cushions -arrow- facing outward.

Make sure the backrest lumber support spring plate is seated correctly.

FAN, SEAT CUSHION

Removing

Scheme 180

Scheme 180: FAN, SEAT CUSHION

Remove the seat pan upholstery. Refer to COVER AND PADDING, LOWER SEAT FRAME WITHOUT SEAT DEPTH ADJUSTER .

Disconnect and free up the electrical connectors -2-.

Remove the bolts -1- and -3-.

Turn the air intake grille -4- in the direction of the -arrow- and remove the fan.

Installing

Install in reverse order of removal.

Tightening specifications (Scheme 98)

FAN, UPPER BACKREST

Removing

Scheme 181

Scheme 181: FAN, UPPER BACKREST

Remove backrest panel

  1. Two section backrest cover. Refer to «BACKREST COVER (SECTION TWO)»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__backrest-cover-section-two) .
  2. One section backrest cover. Refer to «BACKREST COVER (SECTION ONE)»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__backrest-cover-section-one) .

Disconnect and free up the electrical connector -1-.

Carefully tilt the backrest fan -2- out of the backrest upholstery -arrow-.

Installing

Install in reverse order of removal. Note the following

Upper fan installation position

  1. The electrical wire faces down.
  2. The securing eyes on the fan housing face to the side.

FORWARD/BACK ADJUSTMENT MOTOR

The following describes the removal and installation of a power standard front seat. The procedure is similar for a comfort front seat.

Special tools and workshop equipment required

  1. Special Pop Rivet Pliers V.A.G 1753A
  2. Drill
  3. Protective eyewear

Removing

WARNINGFollow all safety precautions when working on pyrotechnic components. Refer to GENERAL INFORMATION . Before handling pyrotechnical components (for example, disconnecting the connector), the person handling them must discharge static electricity. For example, by briefly touching the door striker pin.

Turn on the ignition.

Disconnect the battery ground cable from the battery with the ignition on. Refer to [For engine(s) CAEB, CALA, CCBA] Removal and Installation .

Remove the front seat, refer to POWER STANDARD FRONT SEAT .

Attach the front seat to the VAS 6136. Refer to FRONT SEATS, INSTALLING ON THE Fixture For Seat Repair VAS 6136 .

Remove backrest panel

  1. Two section backrest cover. Refer to «BACKREST COVER (SECTION TWO)»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__backrest-cover-section-two) .
  2. One section backrest cover. Refer to «BACKREST COVER (SECTION ONE)»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__backrest-cover-section-one) .

Remove the backrest frame trim. Refer to BACKREST FRAME TRIM .

Remove headrests. Refer to

  1. «HEADRESTS WITH LOCKING MECHANISM»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__headrests-with-locking-mechanism) .
  2. «POWER HEADRESTS»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan) .

Remove cover with upholstery. Refer to BACKREST COVER AND PADDING .

Note. Lay plastic film between the seat pan cover and the backrest frame to protect against metal shavings.

WARNINGRisk of injury! Wear protective eyewear.

Drill out rivet -2-.

Disconnect the connectors -1- and -3- from the seat forward/back adjustment motor and height adjustment motor for four-way lumbar support.

Free up the electrical wiring harness at the four-way lumbar support -1-.

Scheme 182

Scheme 182

Disengage the four-way lumbar support on the backrest frame -2-.

Remove the four-way lumbar support from the backrest frame.

Installing

Engage four-way lumbar support -1- on the backrest frame -2-.

Before securing rivet -4-, a plastic washer -1- must be placed between lumbar support -2- and backrest frame -3-.

Scheme 183

Scheme 183

Rivet the four-way lumbar support frame -2- with the backrest frame -3-.

WARNINGFollow all safety precautions when working on pyrotechnic components. Refer to GENERAL INFORMATION . Before handling pyrotechnical components (for example, connecting electrical connector), the person handling them must discharge static electricity. For example, by briefly touching the door striker pin.

Installation is performed in reverse order of removal, noting the following

Note. Make sure the connectors are installed all the way in and are secure.

WARNINGConnect the battery with the ignition switched on. Pyrotechnic components could deploy after connecting the battery if they were not repaired correctly. Individuals must not be inside the vehicle when connecting the battery.

Connect the battery ground cable with the ignition turned on. Refer to [For engine(s) CAEB, CALA, CCBA] Removal and Installation .

Note. If the airbag indicator lamp -K75- indicates a fault after installation, the DTC memory must be checked, deleted and checked again using the Vehicle Diagnostic Tester.

FRONT SEAT WITH FAULTY SEAT FORWARD/BACK ADJUSTMENT MOTOR OR CONTROL MODULE

The following describes the removal on a standard power front seat. The procedure is similar for a comfort front seat.

HEIGHT ADJUSTMENT MOTOR

The following describes the removal and installation of a power standard front seat. The procedure is similar for a comfort front seat.

The following describes the removal and installation of a manual sport front seat. The procedure is similar for a comfort front seat.

MEMORY SEAT ADJUSTMENT CONTROL MODULE

Removal and installation are described for the power standard front seat with a memory seat adjustment control module.

MEMORY SEAT ADJUSTMENT CONTROL MODULE BRACKET

The following describes removing and installing on the power standard front seat.

The following describes the modular wiring for a manual standard front seat. It is similar for the comfort front seat.

POWER COMFORT FRONT SEAT

The following describes the removal and installation of a power standard front seat. The procedure is similar for a comfort front seat.

POWER HEADRESTS

The following describes the removal and installation of a power standard front seat. The procedure is similar for a comfort front seat.

SEAT ADJUSTMENT CONTROLS

The following describes the removal and installation of a power standard front seat. The procedure is similar for a comfort front seat.

SEAT ADJUSTMENT CONTROL HEAD

The following describes the removal and installation of a power standard front seat. The procedure is similar for a comfort front seat.

SEAT ANGLE ADJUSTMENT MOTOR

The following describes the removal and installation of a power standard front seat. The procedure is similar for a comfort front seat.

SEAT PAN, DISASSEMBLING AND ASSEMBLING

Disassembly and assembly are described for the power standard front seat. The procedure is similar for the comfort front seat.

The seat position sensor removal and installation procedure is similar on all seat versions.

  1. The following describes the removal and installation of a manual standard front seat. The procedure is similar for a comfort front seat.
  2. The removal and installation procedure for the seat rail covers is described on the driver seat sill side seat rail. Removing and installing the cover on the tunnel side is similar.

SEAT RAIL SPINDLE COVER

The following describes the removal and installation of a power standard front seat. The procedure is similar for a comfort front seat.

The seat position sensor removal and installation procedure is similar on all seat versions.

The following describes the removal and installation of a power standard front seat. The procedure is similar for a comfort front seat.

The following describes the removal and installation of a power standard front seat. The procedure is similar for a comfort front seat.

The following describes the removal and installation of a manual standard front seat. The procedure is similar for a comfort front seat.

The following describes the removal and installation of a manual standard front seat. The procedure is similar for a comfort front seat.

The following describes the removal and installation of a power standard front seat. The procedure is similar for a comfort front seat.

The following describes the removal and installation of a manual standard front seat. The procedure is similar for a comfort front seat.

AIRBAG ADAPTERVAS 6281CONNECTING

Connecting the airbag adapter on the manual standard front seat is described here. It is similar on the power sport front seat.

The following describes removing and installing on the power standard front seat. It is identical on a power sport front seat.

The following describes removing and installing on the power standard front seat. It is identical on a power sport front seat.

The following describes removing and installing on the manual standard front seat. It is identical on a power sport front seat.

Refer to BACKREST COVER (SECTION TWO) for the two-section backrest cover and BACKREST COVER (SECTION ONE) for the one-section backrest cover.

The following describes removing and installing on the manual standard front seat. It is identical on a power sport front seat.

The following describes disconnecting and connecting the connectors on the manual standard front seat. It is similar on the power sport front seat.

The following describes removing and installing on the manual standard front seat. It is identical on a power sport front seat.

The following describes removing and installing on the power standard front seat. It is identical on a power sport front seat.

FORWARD/BACK ADJUSTMENT AND LUMBAR SUPPORT ADJUSTMENT MOTORS

The following describes removing and installing on the power standard front seat. It is identical on a power sport front seat.

The following describes removing and installing on the power standard front seat. It is identical on a power sport front seat.

FRONT BACKREST

The following describes removing and installing on the manual standard front seat. It is identical on a power sport front seat.

The following describes the removal of a power standard front seat. The procedure is similar for a comfort front seat.

The following describes removing and installing on the power standard front seat. It is identical on a power sport front seat.

The following describes removing and installing on the power standard front seat. It is identical on a power sport front seat.

The following describes removing and installing on the power standard front seat. It is identical on a power sport front seat.

The following describes removing and installing on the power standard front seat. It is identical on a power sport front seat.

The modular wiring on a manual standard front seat is described here. It is similar on a power sport front seat.

The following describes removing and installing on the power standard front seat. It is identical on a power sport front seat.

POWER SPORT FRONT SEAT

The following describes removing and installing on the power standard front seat. It is identical on a power sport front seat.

The following describes removing and installing on the power standard front seat. It is identical on a power sport front seat.

The following describes removing and installing on the power standard front seat. It is identical on a power sport front seat.

The following describes removing and installing on the power standard front seat. It is identical on a power sport front seat.

The following describes removing and installing the manual sport front seat. It is identical on a power sport front seat.

SEAT DEPTH ADJUSTOR TRIM

The following describes removing and installing the manual sport front seat. It is identical on a power sport front seat.

The disassembling and assembling procedure is described for a power standard front seat. It is similar on the power sport front seat.

The seat position sensor removal and installation procedure is similar on all seat versions.

  1. The following describes removing and installing on the manual standard front seat. It is identical on a power sport front seat.
  2. The removal and installation procedure for the seat rail covers is described on the driver seat sill side seat rail. Removing and installing the cover on the tunnel side is similar.

The following describes removing and installing on the power standard front seat. It is identical on a power sport front seat.

The following describes removing and installing on the power standard front seat. It is identical on a power sport front seat.

The following describes removing and installing on the power standard front seat. It is identical on a power sport front seat.

The following describes removing and installing on the manual standard front seat. It is identical on a power sport front seat.

The following describes removing and installing on the manual standard front seat. It is identical on a power sport front seat.

The following describes removing and installing on the power standard front seat. It is identical on a power sport front seat.

The following describes removing and installing on the manual standard front seat. It is identical on a power sport front seat.

The following describes connecting the airbag adapter for the manual standard front seat. The procedure is similar for the power standard front seat.

Special tools and workshop equipment required

  1. Locking compound.

Removing

WARNINGFollow all safety precautions when working on pyrotechnic components. Refer to GENERAL INFORMATION . Before handling airbag units (for example, when disconnecting the harness connector), the person handling them must "discharge static electricity". For example, by briefly touching the door striker pin.

Remove the front seat

  1. Standard and sport power seat, comfort seat and super sport seat. Refer to «POWER STANDARD FRONT SEAT»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__power-standard-front-seat) .

Attach the front seat to the VAS 6136. Refer to FRONT SEATS, INSTALLING ON THE Fixture For Seat Repair VAS 6136 .

Remove the tunnel side trim. Refer to TRIM, TUNNEL SIDE and sill side trim TRIM, SILL SIDE .

Remove backrest panel

  1. Two section backrest cover. Refer to «BACKREST COVER (SECTION TWO)»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__backrest-cover-section-two) .
  2. One section backrest cover. Refer to «BACKREST COVER (SECTION ONE)»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__backrest-cover-section-one) .

Mark the angle adjustment of the left and right backrest mounting brackets on the seat as follows

Make a permanent mark (line) -arrow B- on the backrest frame -2- right at the front edge -arrow A- of the anchor -1-.

Scheme 184

Scheme 184
CAUTIONDo not damage the surface of the anchor when marking it by scratching or denting it.

Remove the nut -4- from the shaft -3-.

Remove the upholstery on the backrest. Refer to BACKREST COVER AND PADDING .

Scheme 185

Scheme 185

Remove the shaft -3- in the direction of the -arrow- from the backrest frame -1-.

Disconnect the electrical connector -6- on the backrest adjustment motor -7-.

Remove the screw -2-.

Remove the backrest adjustment motor from the bracket -5-.

Installing

WARNINGFollow all safety precautions when working on pyrotechnic components. Refer to GENERAL INFORMATION . Before handling airbag units (for example, when connecting the harness connector), the person handling them must discharge static electricity. For example, by briefly touching the door striker pin.

Before installing, clean the shaft thread -3- (for example, with thread cutter).

Check the position of the backrest frame -2- and the anchor -1- on the left and right side.

  1. The left and right backrest frames must be in the position marked before removal -A and B arrows -.

If the left and right backrest frames are not in the position marked before removal, correct their position accordingly.

Position the backrest adjustment motor -1- on the bracket -3-.

Scheme 186

Scheme 186

Replace the bolt -4-. Coat it with locking compound fluid and tighten it by hand.

  1. It must still be possible to move the backrest adjustment motor.

First slide the shaft through the anchor (tunnel side) as far as the stop -2- in the backrest adjustment motor.

Check whether the profile of the inserted shaft and mount -2- in the backrest adjustment motor align.

  1. If the shaft profile and the mount in the backrest adjustment motor align

Slide the shaft through backrest adjustment motor and backrest frame.

  1. If the shaft profile and the mount in the backrest adjustment motor do not align

Connect an external power source (12 Volt) to the backrest adjustment motor -1-.

Rotate mount -2- until it aligns with the shaft profile.

Slide the shaft through backrest adjustment motor and backrest frame.

Apply locking compound to the threaded section of the shaft.

Install the new nut -4- on the shaft -3- and tighten it.

Bolt the backrest adjustment motor on the bracket -3- and tighten it to the tightening specification.

Further installation is in reverse order of removal, noting the following

Note. Make sure the connectors are installed all the way in and are secure.

WARNINGConnect the battery with the ignition switched on. Pyrotechnic components could deploy after connecting the battery if they were not repaired correctly. Individuals must not be inside the vehicle when connecting the battery.

Connect the battery ground cable with the ignition turned on. Refer to [For engine(s) CAEB, CALA, CCBA] Removal and Installation .

Note. If the airbag indicator lamp -K75- indicates a fault after installation, the DTC memory must be checked, deleted and checked again using the Vehicle Diagnostic Tester.

The following describes the removal and installation of a manual standard front seat. The procedure is similar for a power standard front seat.

Refer to BACKREST COVER (SECTION TWO) for the two-section backrest cover and BACKREST COVER (SECTION ONE) for the one-section backrest cover.

The following describes the removal and installation of a manual standard front seat. The procedure is similar for a power standard front seat.

BACKREST AND HEADREST ADJUSTMENT ACTUATOR

The backrest and headrest adjustment actuator consists of

  1. Driver backrest adjustment switch -E96- or front passenger backrest adjustment switch -E98
  2. Driver headrest adjustment button -E155- or front passenger headrest adjustment switch -E170-.

Note. The backrest and headrest adjustment actuator can be removed and installed with the front seat installed.

Special tools and workshop equipment required

  1. Trim Removal Wedge 3409

Removing

Scheme 187

Scheme 187

Pry the actuator -1- out of the retainer using the 3409.

Installing

Install in reverse order of removal.

The following describes disconnecting and connecting the connectors for the manual standard front seat. The procedure is similar for the power standard front seat.

The following describes the removal and installation of a manual standard front seat. The procedure is similar for a power standard front seat.

Note. The seat forward/back adjustment motor can only be replaced together with the seat pan lower frame.

Removing

WARNINGFollow all safety precautions when working on pyrotechnic components. Refer to GENERAL INFORMATION . Before handling pyrotechnical components (for example, disconnecting the connector), the person handling them must discharge static electricity. For example, by briefly touching the door striker pin.

Remove the front seat

  1. Standard and sport power seat, comfort seat and super sport seat. Refer to «POWER STANDARD FRONT SEAT»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__power-standard-front-seat) .

Attach the front seat to the VAS 6136. Refer to FRONT SEATS, INSTALLING ON THE Fixture For Seat Repair VAS 6136 .

Note. The upper and lower seat pan frames can only be separated and connected when the upholstery is removed. The seat position sensor must be installed in the new seat pan lower frame.

Remove the seat position sensor

  1. «SEAT POSITION SENSOR, WITH SEAT OCCUPIED SENSOR FOR BELT FASTENING DETECTION»(/audi/a4/b8-2007-2012/remont/airbag/#passenger-protection-airbags-seat-belts-sedan__seat-position-sensor-with-seat-occupied) .
  2. «SEAT POSITION SENSOR, WITH SEAT OCCUPIED SENSOR FOR PASSENGER AIRBAG DEACTIVATION»(/audi/a4/b8-2007-2012/remont/airbag/#passenger-protection-airbags-seat-belts-sedan__seat-position-sensor-with-seat-occupied) .

Separate the seat pan upper frame from the lower frame SEAT PAN, DISASSEMBLING AND ASSEMBLING .

Installing

WARNINGFollow all safety precautions when working on pyrotechnic components. Refer to GENERAL INFORMATION . Before handling pyrotechnical components (for example, connecting electrical connector), the person handling them must discharge static electricity. For example, by briefly touching the door striker pin.

Install in reverse order of removal. Note the following

Note. Make sure the connectors are installed all the way in and are secure.

WARNINGConnect the battery with the ignition switched on. Pyrotechnic components could deploy after connecting the battery if they were not repaired correctly. Individuals must not be inside the vehicle when connecting the battery.

Connect the battery ground cable with the ignition turned on. Refer to [For engine(s) CAEB, CALA, CCBA] Removal and Installation .

Note. If the airbag indicator lamp -K75- indicates a fault after installation, the DTC memory must be checked, deleted and checked again using the Vehicle Diagnostic Tester.

FORWARD/BACK ADJUSTMENT MOTOR AND LUMBAR SUPPORT ADJUSTMENT

Note. Removing and installing the lumbar support height adjustment motor is described. Removing and installing the lumbar support forward/backward adjustment motor is similar.

Removing

Scheme 188

Scheme 188: FORWARD/BACK ADJUSTMENT MOTOR AND LUMBAR SUPPORT ADJUSTMENT

Remove backrest panel

  1. Two section backrest cover. Refer to «BACKREST COVER (SECTION TWO)»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__backrest-cover-section-two) .
  2. One section backrest cover. Refer to «BACKREST COVER (SECTION ONE)»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__backrest-cover-section-one) .

Disconnect the connector -1-.

Release the bracket -2- with a screwdriver -arrow-.

Remove the lumbar support height adjustment motor -3-.

Installing

Install in reverse order of removal.

Special tools and workshop equipment required

Scheme 189

Scheme 189: FOUR-WAY LUMBAR SUPPORT
  1. Special Pop Rivet Pliers V.A.G 1753A
  2. Drill
  3. Protective eyewear

Removing

WARNINGFollow all safety precautions when working on pyrotechnic components. Refer to GENERAL INFORMATION . Before handling pyrotechnical components (for example, disconnecting the connector), the person handling them must discharge static electricity. For example, by briefly touching the door striker pin.

Remove the front seat

  1. Standard seat and sport seat (manual), refer to «MANUAL STANDARD FRONT SEAT»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__manual-standard-front-seat) .
  2. Standard and sport power seat, comfort seat and super sport seat, refer to «POWER STANDARD FRONT SEAT»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__power-standard-front-seat) .

Attach the front seat to the VAS 6136. Refer to FRONT SEATS, INSTALLING ON THE Fixture For Seat Repair VAS 6136 .

Remove backrest panel

  1. Two section backrest cover. Refer to «BACKREST COVER (SECTION TWO)»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__backrest-cover-section-two) .
  2. One section backrest cover. Refer to «BACKREST COVER (SECTION ONE)»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__backrest-cover-section-one) .

Remove the backrest frame trim. Refer to BACKREST FRAME TRIM .

Remove headrests. Refer to

  1. «HEADRESTS WITH LOCKING MECHANISM»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__headrests-with-locking-mechanism) .
  2. «POWER HEADRESTS»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan) .

Remove the cover with the upholstery

  1. Standard seat and sport seat (manual or power) and comfort seat, refer to «BACKREST COVER AND PADDING»(/audi/a4/b8-2007-2012/remont/seats/#seat-upholstery-covers-sedan__backrest-cover-and-padding) .
  2. Super sport seat, refer to «BACKREST COVER AND PADDING, SUPER SPORT SEAT»(/audi/a4/b8-2007-2012/remont/seats/#seat-upholstery-covers-sedan__backrest-cover-and-padding-super-sport) .

Separate the Velcro® fastener -3- between the system -2- and the upholstery.

Scheme 190

Scheme 190

Note. It requires relatively high amount of force to separate the Velcro® fastener.

Note. Lay plastic film between the seat pan cover and the backrest frame to protect against metal shavings.

WARNINGRisk of injury! Wear protective eyewear.

Drill out rivet -3-.

Disconnect the connectors -1- and -2- from the seat forward/back adjustment motor and height adjustment motor for four-way lumbar support.

Disengage the four-way lumbar support -2- on the backrest frame -1-.

Scheme 191

Scheme 191

Remove the four-way lumbar support from the backrest frame.

Disengage system -2- at four-way lumbar support -1- if necessary -arrows-.

Installing

Engage system -2- at four-way lumbar support -1- if necessary -arrows-.

Lay plastic film -1- over the Velcro® strips -2- on the system -2-.

Scheme 192

Scheme 192

Secure plastic film to the system -2-.

Make sure the lumbar support is attached to the system -2- using an assembly fastener -4- or a suitable pin.

Make sure both clips for the four-way lumbar support -2- are installed in the backrest frame -1-.

Install the four-way lumbar support to the backrest frame.

Before securing rivet -4-, a plastic washer -1- must be placed between lumbar support -2- and backrest frame -3-.

Scheme 193

Scheme 193

Rivet the four-way lumbar support to the backrest frame.

Stretch the upholstery with cover over the backrest frame.

Remove the plastic film between the system and the upholstery.

Press the system Velcro® fastener onto the upholstery.

Connect the connectors to the lumbar support curvature and height adjustment motors.

WARNINGFollow all safety precautions when working on pyrotechnic components. Refer to GENERAL INFORMATION . Before handling pyrotechnical components (for example, connecting electrical connector), the person handling them must discharge static electricity. For example, by briefly touching the door striker pin.

Installation is performed in reverse order of removal, noting the following

Note. Make sure the connectors are installed all the way in and are secure.

WARNINGConnect the battery with the ignition switched on. Pyrotechnic components could deploy after connecting the battery if they were not repaired correctly. Individuals must not be inside the vehicle when connecting the battery.

Connect the battery ground cable with the ignition turned on. Refer to [For engine(s) CAEB, CALA, CCBA] Removal and Installation .

Note. If the airbag indicator lamp -K75- indicates a fault after installation, the DTC memory must be checked, deleted and checked again using the Vehicle Diagnostic Tester.

The following describes the removal and installation of a manual standard front seat. The procedure is similar for a power standard front seat.

Test the seat forward/back adjustment motor -V28- / -V31- or control module -J136- / -J521

WARNINGFollow all safety precautions when working on pyrotechnic components. Refer to GENERAL INFORMATION . Before handling pyrotechnical components (for example, disconnecting the connector), the person handling them must discharge static electricity. For example, by briefly touching the door striker pin.

Move the seat as far up as possible.

Remove tunnel side trim panel. Refer to TRIM, SILL SIDE .

Note. Check electrical and electronic components and wires before removing seat further to avoid unnecessary repair costs.

Perform the following tests

  1. Check the fuse.
  2. Check the voltage at the connector station and perform fault finding if necessary.
  3. Check the voltage to the control module.
  4. Check the voltage to the seat forward/back adjustment motor.

Replace the fuse if faulty.

If there is no voltage at the connector station, repair or replace the wire.

Replace the seat pan lower frame together with seat forward/back adjustment motor. Refer to SEAT PAN, DISASSEMBLING AND ASSEMBLING .

Replace the control module -J136- / -J521- if faulty. Refer to MEMORY SEAT/STEERING COLUMN ADJUSTMENT CONTROL MODULE .

Removing a faulty seat forward/back adjustment motor -V28- / -V31

Scheme 194

Scheme 194
CAUTIONLoosen bolts -3- only after checking electrical or electronic components and wires. After loosening the bolts -2-, replace the lower section of the seat pan including the seat forward/back adjustment motor.
WARNINGBefore handling pyrotechnical components (for example, disconnecting the connector), the person handling them must discharge static electricity. For example, by briefly touching the door striker pin.

Turn on the ignition.

Disconnect the battery ground cable from the battery with the ignition on. Refer to [For engine(s) CAEB, CALA, CCBA] Removal and Installation .

Remove the bolts -3- (quantity: 4) on both sides.

I - Seat forward/back adjustment motor, threaded connection on sill side.

II - Seat forward/back adjustment motor, threaded connection on tunnel side.

Note. To remove the tunnel side bolts, reach under the seat from the front.

WARNINGBefore handling pyrotechnical components (for example, disconnecting the connector), the person handling them must discharge static electricity. For example, by briefly touching the door striker pin.

Disconnect the connector on the seat forward/back adjustment motor.

Move seat until bolts -1- (quantity: 4) are visible.

Scheme 195

Scheme 195

Remove the bolts.

Disconnect the harness connectors at the connector station. Refer to DISCONNECTING AND CONNECTING THE HARNESS CONNECTORS .

Connect airbag adapter VAS 6281. Refer to Airbag Adapter VAS 6281 CONNECTING .

Raise the front seat with a 2nd technician and remove it from the vehicle.

Attach the front seat to the VAS 6136. Refer to FRONT SEATS, INSTALLING ON THE Fixture For Seat Repair VAS 6136 .

Separate the lower frame -2- from the upper frame -1-. Refer to SEAT PAN, DISASSEMBLING AND ASSEMBLING .

Replace the lower seat pan frame with seat forward/back adjustment motor. Refer to SEAT PAN, DISASSEMBLING AND ASSEMBLING .

Removing a faulty control module -J136- / -J521

WARNINGFollow all safety precautions when working on pyrotechnic components. Refer to GENERAL INFORMATION . Before handling pyrotechnical components (for example, disconnecting the connector), the person handling them must discharge static electricity. For example, by briefly touching the door striker pin.

Turn on the ignition.

Disconnect the battery ground cable from the battery with the ignition on. Refer to [For engine(s) CAEB, CALA, CCBA] Removal and Installation .

Disconnect the connector on the seat forward/back adjustment motor.

Connect the seat forward/back adjustment motor to an external power source and move the seat forward or back until the bolts -1- (quantity: 4) are visible.

Remove the bolts.

Disconnect the harness connectors at the connector station. Refer to DISCONNECTING AND CONNECTING THE HARNESS CONNECTORS .

Connect VAS 6281. Refer to Airbag Adapter VAS 6281 CONNECTING .

Raise the front seat with a 2nd technician and remove it from the vehicle.

Attach the front seat to the VAS 6136. Refer to FRONT SEATS, INSTALLING ON THE Fixture For Seat Repair VAS 6136 .

Replace control module -J136- / -J521-. Refer to MEMORY SEAT/STEERING COLUMN ADJUSTMENT CONTROL MODULE .

Installing

WARNINGFollow all safety precautions when working on pyrotechnic components. Refer to GENERAL INFORMATION . Before handling pyrotechnical components (for example, connecting electrical connector), the person handling them must discharge static electricity. For example, by briefly touching the door striker pin.

Install in reverse order of removal. Note the following

Remove the VAS 6281 only after installing the front seat. Refer to Airbag Adapter VAS 6281 CONNECTING .

Connect the connectors to the connectors of the connector station in the floor. Refer to DISCONNECTING AND CONNECTING THE HARNESS CONNECTORS .

Note. Make sure the connectors are installed all the way in and are secure.

WARNINGConnect the battery with the ignition switched on. Pyrotechnic components could deploy after connecting the battery if they were not repaired correctly. Individuals must not be inside the vehicle when connecting the battery.

Connect the battery ground cable with the ignition turned on. Refer to [For engine(s) CAEB, CALA, CCBA] Removal and Installation .

Note. If the airbag indicator lamp -K75- indicates a fault after installation, the DTC memory must be checked, deleted and checked again using the Vehicle Diagnostic Tester.

Removing

WARNINGFollow all safety precautions when working on pyrotechnic components. Refer to GENERAL INFORMATION . Before handling pyrotechnical components (for example, disconnecting the connector), the person handling them must discharge static electricity. For example, by briefly touching the door striker pin.

Remove tunnel side trim panel. Refer to TRIM, TUNNEL SIDE .

Remove tunnel side trim panel. Refer to TRIM, SILL SIDE .

Disconnect electrical harness connector -1- on seat height adjustment motor -2-.

Scheme 196

Scheme 196

Release the tension in the torsion bar. Refer to TORSION BAR .

Scheme 197

Scheme 197
CAUTIONThreaded hole in the seat pan damaged or destroyed. When removing or installing, the adjusting spindle/seat pan bolting torque must be relieved. Risk of damage to the bushing -3- in the bearing point (adjusting spindle/seat pan bolting). The bushing cannot be replaced with workshop materials. If the bushing is damaged, the corresponding parts must be replaced.

Remove bolt -2- on the seat height adjustment motor adjusting spindle -1-.

Remove the bolt -2- for the adjusting spindle -1- for the seat angle adjustment motor (preset by the manufacturer).

Scheme 198

Scheme 198

Do not damage the bushing -1- inserted in the bearing area -2- when removing the bolt.

Scheme 199

Scheme 199
CAUTIONThe bushings cannot be replaced with workshop materials. If the bushings are damaged, replace the corresponding components.

Tilt the seat pan upper frame -1- up as far as possible.

Scheme 200

Scheme 200

Support the seat pan upper frame with a suitable wood block -6- on the VAS 6136 -2-.

Remove bolts -3- (quantity: 2).

Remove bracket -5- with seat height adjustment motor -4- from the seat pan.

Remove the bolts -1-.

Scheme 201

Scheme 201

Separate bracket -2- and seat height adjustment motor -3-.

Installing

WARNINGFollow all safety precautions when working on pyrotechnic components. Refer to GENERAL INFORMATION . Before handling pyrotechnical components (for example, connecting electrical connector), the person handling them must discharge static electricity. For example, by briefly touching the door striker pin.

Clean the threaded bolt holes for self-locking nuts, for example using a thread tap.

Replace all self-locking bolts.

Tighten the adjusting spindle -1- for the seat angle adjustment motor (preset by the manufacturer) with the bolt -2-.

Do not damage bushing -1- when inserting the bolt.

CAUTIONIf tension is not released when loosening or tightening the threaded connection between the adjusting spindle and the seat pan, the threaded hole in the seat pan will be damaged or destroyed.

Do not damage the bushing -3- when inserting the bolt -2-.

CAUTIONThe bushings cannot be replaced with workshop materials. If the bushings are damaged, replace the corresponding components.

Further installation is performed in reverse order of removal, noting the following

Note. Make sure the connectors are installed all the way in and are secure.

WARNINGConnect the battery with the ignition switched on. Pyrotechnic components could deploy after connecting the battery if they were not repaired correctly. Individuals must not be inside the vehicle when connecting the battery.

Connect the battery ground cable with the ignition turned on. Refer to [For engine(s) CAEB, CALA, CCBA] Removal and Installation .

Note. If the airbag indicator lamp -K75- indicates a fault after installation, the DTC memory must be checked, deleted and checked again using the Vehicle Diagnostic Tester.

Removing

WARNINGFollow all safety precautions when working on pyrotechnic components. Refer to GENERAL INFORMATION . Before handling pyrotechnical components (for example, disconnecting the connector), the person handling them must discharge static electricity. For example, by briefly touching the door striker pin.

Remove tunnel side trim panel

  1. Standard seat and Sport seat (manual), refer to «TRIM, SILL SIDE»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__trim-sill-side) .
  2. Standard seat, sport seat (power) and comfort seat, refer to «TRIM, SILL SIDE»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan) .

Disconnect the connector -4-.

Remove the bolts -2-.

Remove the lumbar support adjustment switch -E176- or -E177- -1- from the trim -3-.

Installing

WARNINGFollow all safety precautions when working on pyrotechnic components. Refer to GENERAL INFORMATION . Before handling pyrotechnical components (for example, disconnecting the connector), the person handling them must discharge static electricity. For example, by briefly touching the door striker pin.

Install in reverse order of removal. Note the following

Route the wires as close to the connector -4- as possible.

Note. Make sure the connectors are installed all the way in and are secure.

WARNINGConnect the battery with the ignition switched on. Pyrotechnic components could deploy after connecting the battery if they were not repaired correctly. Individuals must not be inside the vehicle when connecting the battery.

Connect the battery ground cable with the ignition turned on. Refer to. [For engine(s) CAEB, CALA, CCBA] Removal and Installation .

Note. If the airbag indicator lamp -K75- indicates a fault after installation, the DTC memory must be checked, deleted and checked again using the Vehicle Diagnostic Tester.

MEMORY SEAT/STEERING COLUMN ADJUSTMENT CONTROL MODULE

Special tools and workshop equipment required

  1. Trim Removal Wedge 3409

Removing

WARNINGFollow all safety precautions when working on pyrotechnic components. Refer to GENERAL INFORMATION . Before handling pyrotechnical components (for example, disconnecting the connector), the person handling them must discharge static electricity. For example, by briefly touching the door striker pin.

Remove the front seat

  1. Standard and sport power seat, comfort seat and super sport seat. Refer to «POWER STANDARD FRONT SEAT»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__power-standard-front-seat) .

Attach the front seat to the VAS 6136. Refer to FRONT SEATS, INSTALLING ON THE Fixture For Seat Repair VAS 6136 .

Disconnect the connectors -2 through 5- on the control module -1-.

Scheme 202

Scheme 202

Unclip the tabs -arrows- using the 3409.

Carefully remove the control module -1- from the retainers -arrow-.

Scheme 203

Scheme 203

Disengage the hooks -2- and -3- on the bracket -4- and remove the control module.

Installing

WARNINGFollow all safety precautions when working on pyrotechnic components. Refer to GENERAL INFORMATION . Before handling pyrotechnical components (for example, connecting electrical connector), the person handling them must discharge static electricity. For example, by briefly touching the door striker pin.

Install in reverse order of removal. Note the following

Note. Make sure the memory seat adjustment control module engages audibly in the retainer. Make sure the connectors are installed all the way in and are secure.

WARNINGConnect the battery with the ignition switched on. Pyrotechnic components could deploy after connecting the battery if they were not repaired correctly. Individuals must not be inside the vehicle when connecting the battery.

Connect the battery ground cable with the ignition turned on. Refer to [For engine(s) CAEB, CALA, CCBA] Removal and Installation .

Note. If the airbag indicator lamp -K75- indicates a fault after installation, the DTC memory must be checked, deleted and checked again using the Vehicle Diagnostic Tester.

MEMORY SEAT/STEERING COLUMN ADJUSTMENT CONTROL MODULE BRACKET

Removing

WARNINGFollow all safety precautions when working on pyrotechnic components. Refer to GENERAL INFORMATION . Before handling pyrotechnical components (for example, disconnecting the connector), the person handling them must discharge static electricity. For example, by briefly touching the door striker pin.

Remove the memory seat adjustment/steering column adjustment control module. Refer to MEMORY SEAT/STEERING COLUMN ADJUSTMENT CONTROL MODULE .

Press the pin -2- toward the upholster and out of the clip -arrow A- on the bracket -1-, for example using an upholstery needle.

Scheme 204

Scheme 204

Remove the pin -2- from the seat pan.

Remove the bracket support base -2- from the seat pan upper frame.

Scheme 205

Scheme 205

Unclip the clip -arrow A- at the seat pan upper frame -1-.

Disengage the retaining tabs -arrow B- (quantity: 2).

Carefully remove the bracket in the direction of the -arrow- from the seat pan.

Remove the bracket from the seat pan.

Installing

WARNINGFollow all safety precautions when working on pyrotechnic components. Refer to GENERAL INFORMATION . Before handling pyrotechnical components (for example, connecting electrical connector), the person handling them must discharge static electricity. For example, by briefly touching the door striker pin.

Install in reverse order of removal. Note the following

Note. Make sure the connectors are installed all the way in and are secure.

WARNINGConnect the battery with the ignition switched on. Pyrotechnic components could deploy after connecting the battery if they were not repaired correctly. Individuals must not be inside the vehicle when connecting the battery.

Connect the battery ground cable with the ignition turned on. Refer to [For engine(s) CAEB, CALA, CCBA] Removal and Installation .

Note. If the airbag indicator lamp -K75- indicates a fault after installation, the DTC memory must be checked, deleted and checked again using the Vehicle Diagnostic Tester.

The following describes the modular wiring for a manual standard front seat. It is similar for a power standard front seat.

Note. The headrests can be removed with the front seats installed. The release button is located on the outer left of the driver seat and inner left of the passenger seat.

Removing

Scheme 206

Scheme 206: POWER HEADRESTS

Remove backrest panel

  1. Two section backrest cover. Refer to «BACKREST COVER (SECTION TWO)»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__backrest-cover-section-two) .
  2. One section backrest cover. Refer to «BACKREST COVER (SECTION ONE)»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__backrest-cover-section-one) .

Unclip the cable tie clip -3- on the backrest frame -1-.

Disconnect the connector -2-.

Reach under the backrest cover and find the release button pressure point -3-.

Press the release button forward in the direction of the -arrow-.

Hold release button -3- down in this position.

Pull headrest -2- up out of guides -1- and -4-.

CAUTIONWhen removing the headrest, make sure the connector on the headrest side does not get stuck in the headrest guides or in the fixed cover cap.

Scheme 207

Scheme 207

When removing the headrest -1-, guide the wire with the connector -4- through the headrest guide -3-.

1 - Headrest

2 - Backrest frame

3 - Headrest guide

4 - Wire with connector

Installing

Install in reverse order of removal. Note the following

When installing the headrest, the release button -3- must not be pressed in.

POWER STANDARD FRONT SEAT

Note. Removal and installation is described for the driver seat. The passenger seat is similar.

Removing

WARNINGFollow all safety precautions when working on pyrotechnic components. Refer to GENERAL INFORMATION . Before handling pyrotechnical components (for example, disconnecting the connector), the person handling them must discharge static electricity. For example, by briefly touching the door striker pin.

Remove the front belt anchor. Refer to FRONT BELT END FITTING .

Move the seat into its service position. Refer to FRONT SEATS, BRINGING INTO THE SERVICE POSITION .

Remove the front bolts -1- (quantity 2) to the console -4-.

Operate seat forward/back adjuster and move the seat -2- as far forward as possible.

Remove the rear bolts -1- (quantity 2) to the console -3-.

Turn on the ignition.

Disconnect the battery ground cable from the battery with the ignition on. Refer to [For engine(s) CAEB, CALA, CCBA] Removal and Installation .

WARNINGBefore handling airbag components (for example, disconnecting the electrical connector), the relevant person must discharge static electricity. This can be done by touching the door striker, for example.

Disconnect the connectors at the connector station in the floor panel. Refer to DISCONNECTING AND CONNECTING THE HARNESS CONNECTORS .

Connect VAS 6281. Refer to Airbag Adapter VAS 6281 CONNECTING .

Raise the front seat with a 2nd technician and remove it from the vehicle.

Installing

WARNINGFollow all safety precautions when working on pyrotechnic components. Refer to GENERAL INFORMATION . Before handling pyrotechnical components (for example, connecting electrical connector), the person handling them must discharge static electricity. For example, by briefly touching the door striker pin.

Install in reverse order of removal. Note the following

Remove the VAS 6281 only after installing the front seat. Refer to Airbag Adapter VAS 6281 CONNECTING .

Note. Make sure the connectors are installed all the way in and are secure.

Connect the connectors to the connectors of the connector station in the floor. Refer to DISCONNECTING AND CONNECTING THE HARNESS CONNECTORS .

WARNINGConnect the battery with the ignition switched on. Pyrotechnic components could deploy after connecting the battery if they were not repaired correctly. Individuals must not be inside the vehicle when connecting the battery.

Connect the battery ground cable with the ignition turned on. Refer to [For engine(s) CAEB, CALA, CCBA] Removal and Installation .

Note. If the airbag indicator lamp -K75- indicates a fault after installation, the DTC memory must be checked, deleted and checked again using the Vehicle Diagnostic Tester.

RIGHT FRONT SEAT VENTILATION CONTROL MODULE (SEAT HEATER INTEGRATED) -J799- / -J800

Special tools and workshop equipment required

  1. Trim Removal Wedge 3409

Removing

WARNINGFollow all safety precautions when working on pyrotechnic components. Refer to GENERAL INFORMATION . Before handling pyrotechnical components (for example, disconnecting the connector), the person handling them must discharge static electricity. For example, by briefly touching the door striker pin.

Turn on the ignition.

Disconnect the battery ground cable from the battery with the ignition on. Refer to [For engine(s) CAEB, CALA, CCBA] Removal and Installation .

Remove the front seat

  1. Standard seat and Sport seat (manual). Refer to «MANUAL STANDARD FRONT SEAT»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__manual-standard-front-seat) .

Attach the front seat to the VAS 6136 FRONT SEATS, INSTALLING ON THE Fixture For Seat Repair VAS 6136 .

Disconnect the connector -2- right front seat ventilation control module -J799- / -J800- -1- by pressing the release -arrow-.

Scheme 208

Scheme 208

Release the retaining strap -arrow 1- using the 3409.

Scheme 209

Scheme 209

Pivot the control module downward -arrow 2-.

Release the tab on the control module -arrow 3- on the mount.

Remove the control module.

Installing

WARNINGFollow all safety precautions when working on pyrotechnic components. Refer to GENERAL INFORMATION . Before handling pyrotechnical components (for example, connecting electrical connector), the person handling them must discharge static electricity. For example, by briefly touching the door striker pin.

Install in reverse order of removal. Note the following

Note. Make sure the memory seat adjustment control module engages audibly in the retainer. Make sure the connectors are installed all the way in and are secure.

WARNINGConnect the battery with the ignition switched on. Pyrotechnic components could deploy after connecting the battery if they were not repaired correctly. Individuals must not be inside the vehicle when connecting the battery.

Connect the battery ground cable with the ignition turned on. Refer to [For engine(s) CAEB, CALA, CCBA] Removal and Installation .

Note. If the airbag indicator lamp -K75- indicates a fault after installation, the DTC memory must be checked, deleted and checked again using the Vehicle Diagnostic Tester.

The following describes the removal and installation of a manual standard front seat. The procedure is similar for a power standard front seat.

Removing

WARNINGFollow all safety precautions when working on pyrotechnic components. Refer to GENERAL INFORMATION . Before handling pyrotechnical components (for example, disconnecting the connector), the person handling them must discharge static electricity. For example, by briefly touching the door striker pin.

Remove the front seat

  1. Standard and sport power seat, comfort seat and super sport seat. Refer to «POWER STANDARD FRONT SEAT»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__power-standard-front-seat) .

Attach the front seat to the VAS 6136 FRONT SEATS, INSTALLING ON THE Fixture For Seat Repair VAS 6136 .

Disconnect electrical harness connector -3- on seat angle adjustment motor -4-.

Scheme 210

Scheme 210

Remove the bolt -2- for the adjustment spindle -5- (preset by the manufacturer).

Do not damage the bushing -1- inserted in the bearing area -2- when removing the bolt.

CAUTIONThe bushings cannot be replaced with workshop materials. If the bushings are damaged, replace the corresponding components.

Remove the bolts -1-.

Remove the seat angle adjustment motor from the front seat.

Installing

WARNINGFollow all safety precautions when working on pyrotechnic components. Refer to GENERAL INFORMATION . Before handling pyrotechnical components (for example, connecting electrical connector), the person handling them must discharge static electricity. For example, by briefly touching the door striker pin.

Clean the threaded bolt holes for self-locking nuts, for example using a thread tap.

Replace all self-locking bolts.

Do not damage bushing -1- when inserting the bolt.

CAUTIONThe bushings cannot be replaced with workshop materials. If the bushings are damaged, replace the corresponding components.

Installation is performed in reverse order of removal, noting the following

Note. Make sure the connectors are installed all the way in and are secure.

WARNINGConnect the battery with the ignition switched on. Pyrotechnic components could deploy after connecting the battery if they were not repaired correctly. Individuals must not be inside the vehicle when connecting the battery.

Connect the battery ground cable with the ignition turned on. Refer to [For engine(s) CAEB, CALA, CCBA] Removal and Installation .

Note. If the airbag indicator lamp -K75- indicates a fault after installation, the DTC memory must be checked, deleted and checked again using the Vehicle Diagnostic Tester.

Removing

Scheme 211

Scheme 211: SEAT ADJUSTMENT CONTROL HEAD

Remove tunnel side trim panel. Refer to TRIM, SILL SIDE .

Disengage the wire from the bracket -6-.

Disconnect the connector -7-.

Remove the backrest and headrest adjustment control -3-. Refer to BACKREST AND HEADREST ADJUSTMENT ACTUATOR .

Remove the seat adjustment control head -4-. Refer to SEAT ADJUSTMENT CONTROL SWITCH .

Remove the bolts -5-.

Remove the control head -1- from the sill side trim -2-.

Installing

Install in reverse order of removal.

SEAT ADJUSTMENT CONTROL SWITCH

The seat adjustment controls consist of

  1. Driver seat forward/back adjustment switch -E363- or front passenger seat forward/back adjustment switch -E64
  2. Driver seat angle adjustment switch -E222- or front passenger seat angle adjustment switch -E334
  3. Driver seat height adjustment switch -E364- or front passenger seat height adjustment switch -E365

Note. The seat adjustment actuator can be removed and installed with the front seat installed.

Special tools and workshop equipment required

  1. Trim Removal Wedge 3409

Removing

Scheme 212

Scheme 212

Pry the seat adjustment actuator -1- from the retainer using a 3409.

Installing

Install in reverse order of removal.

Note. There are different upper seat frames: with and without a seat depth adjuster. A seat pan without seat depth adjuster is used for describing taking the seat pan apart and putting it back together. The procedure is similar for taking a seat pan that has a seat depth adjuster apart and putting it back together. When removing the seat pan, make sure the bushings in the bearing points (upper and lower frame threaded connection) are not damaged. These bushing cannot be replaced with workshop materials. The upper and lower frames of the seat pan cannot be separated on the following front seats: manual standard seat and manual sport seat. The upper and lower seat pan frames can be separated from each other and replaced individually on the following front seats: power Standard seat, power Sport seat, Comfort seat and Super Sport seat.

Seat Pan, Disassembling

WARNINGFollow all safety precautions when working on pyrotechnic components. Refer to GENERAL INFORMATION . Before handling pyrotechnical components (for example, disconnecting the connector), the person handling them must discharge static electricity. For example, by briefly touching the door striker pin.

Move the front seat as far up as possible to keep the torsion bar tension as low as possible.

Remove the front seat

  1. Standard and sport power seat, comfort seat and super sport seat. Refer to «POWER STANDARD FRONT SEAT»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__power-standard-front-seat) .

Remove the front backrest. Refer to BACKREST FRONT .

Remove the seat pan upholstery.

  1. Power standard seat and comfort seat. Refer to «COVER AND PADDING, LOWER SEAT FRAME WITHOUT SEAT DEPTH ADJUSTER»(/audi/a4/b8-2007-2012/remont/seats/#seat-upholstery-covers-sedan__cover-and-padding-lower-seat-frame) .
  2. Power sport seat. Refer to «COVER AND PADDING, LOWER SEAT FRAME WITH SEAT DEPTH ADJUSTER»(/audi/a4/b8-2007-2012/remont/seats/#seat-upholstery-covers-sedan__cover-and-padding-lower-seat-frame) .

Scheme 213

Scheme 213: UPPER AND LOWER FRAMES, SEPARATING

Disconnect the electrical connector on the seat forward/back adjustment motor.

Remove the torsion bar. Refer to TORSION BAR .

Remove bolts -2- (quantity: 4).

Remove the screw -3-.

Remove the upper frame -1- upward from the lower frame -4-.

Be careful of bushings -1- in the bearing locations on seat pan lower frame -2-.

Scheme 214

Scheme 214
CAUTIONDo not damage bushings -1- inserted in all bearing points when separating or disassembling upper and lower frame. The bushings cannot be replaced with workshop materials. If the bushings are damaged, replace the corresponding components.

Upper Seat Frame, Replacing

Note. If the upper frame will be replaced, remove the wires and electrical and electronic components listed and install them in the new upper frame.

Separate the upper and lower frames. Refer to Upper and Lower Frames, Separating .

Remove the bracket with the memory seat adjustment control module. Refer to MEMORY SEAT/STEERING COLUMN ADJUSTMENT CONTROL MODULE BRACKET and MEMORY SEAT/STEERING COLUMN ADJUSTMENT CONTROL MODULE .

Remove the seat height adjustment motor. Refer to HEIGHT ADJUSTMENT MOTOR .

Remove the seat angle adjustment motor. Refer to SEAT ANGLE ADJUSTMENT MOTOR .

Remove the seat position sensor. Refer to

  1. «SEAT POSITION SENSOR, WITH SEAT OCCUPIED SENSOR FOR BELT FASTENING DETECTION»(/audi/a4/b8-2007-2012/remont/airbag/#passenger-protection-airbags-seat-belts-sedan__seat-position-sensor-with-seat-occupied) .
  2. «SEAT POSITION SENSOR, WITH SEAT OCCUPIED SENSOR FOR PASSENGER AIRBAG DEACTIVATION»(/audi/a4/b8-2007-2012/remont/airbag/#passenger-protection-airbags-seat-belts-sedan__seat-position-sensor-with-seat-occupied) .

Remove wiring harnesses and individual wires from seat pan upper frame.

Install the removed electrical and electronic components and wires in the new upper frame.

Install in reverse order of removal.

Lower Frame, Replacing

Note. If the lower frame will be replaced, remove the seat position sensor and install it in the new lower frame.

Separate the upper and lower frames. Refer to Upper and Lower Frames, Separating .

Remove the seat position sensor. Refer to

  1. «SEAT POSITION SENSOR, WITH SEAT OCCUPIED SENSOR FOR BELT FASTENING DETECTION»(/audi/a4/b8-2007-2012/remont/airbag/#passenger-protection-airbags-seat-belts-sedan__seat-position-sensor-with-seat-occupied) .
  2. «SEAT POSITION SENSOR, WITH SEAT OCCUPIED SENSOR FOR PASSENGER AIRBAG DEACTIVATION»(/audi/a4/b8-2007-2012/remont/airbag/#passenger-protection-airbags-seat-belts-sedan__seat-position-sensor-with-seat-occupied) .

Disconnect the electrical connector on the seat forward/back adjustment motor.

Install the removed electrical and electronic components and wires in the new lower frame.

Seat Pan, Assembling

Assembly of the seat pan is performed in the reverse order of removal. When doing so, note the following

WARNINGFollow all safety precautions when working on pyrotechnic components. Refer to GENERAL INFORMATION . Before handling pyrotechnical components (for example, connecting electrical connector), the person handling them must discharge static electricity. For example, by briefly touching the door striker pin.

Note. Make sure the connectors are installed all the way in and are secure.

WARNINGConnect the battery with the ignition switched on. Pyrotechnic components could deploy after connecting the battery if they were not repaired correctly. Individuals must not be inside the vehicle when connecting the battery.

Connect the battery ground cable with the ignition turned on. Refer to [For engine(s) CAEB, CALA, CCBA] Removal and Installation .

Note. If the airbag indicator lamp -K75- indicates a fault after installation, the DTC memory must be checked, deleted and checked again using the Vehicle Diagnostic Tester.

The seat position sensor removal and installation procedure is similar on all seat versions. Refer to

  1. The following describes the removal and installation of a manual standard front seat. The procedure is similar for a power standard front seat.
  2. The removal and installation procedure for the seat rail covers is described on the driver seat sill side seat rail. Removing and installing the cover on the tunnel side is similar.

Note. The following describes removing and installing the seat rail (sill-side) from the driver seat. For the sake of clarity, the figure does not show the surrounding area.

Special tools and workshop equipment required

  1. Trim Removal Wedge 3409

Removing

Bring headrest into lowest lock position.

Move seat as far back and up as possible.

Pry the spindle cover -1- from the seat rail cover -2- and seat forward/back adjustment spindle using the 3409.

Installing

Install in reverse order of removal. Note the following

Make sure the spindle cover is engaged correctly.

Removing

Scheme 215

Scheme 215: SILL SIDE RETAINING BRACKET TRIM

Remove tunnel side trim panel. Refer to TRIM, SILL SIDE .

Remove bolts -3- (quantity: 4).

Remove the bracket -1- from the front seat -2-. Remove any cable ties from the retaining bracket.

Installing

Install in reverse order of removal.

Removing

WARNINGFollow all safety precautions when working on pyrotechnic components. Refer to GENERAL INFORMATION . Before handling pyrotechnical components (for example, disconnecting the connector), the person handling them must discharge static electricity. For example, by briefly touching the door striker pin.

Remove the front seat

  1. Standard seat and sport seat (manual). Refer to «MANUAL STANDARD FRONT SEAT»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__manual-standard-front-seat) .
  2. Standard and sport power seat, comfort seat and super sport seat. Refer to «POWER STANDARD FRONT SEAT»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__power-standard-front-seat) .

Attach the front seat to the VAS 6136 FRONT SEATS, INSTALLING ON THE Fixture For Seat Repair VAS 6136 .

Open the storage compartment -1- and remove the bolts -2-.

Scheme 216

Scheme 216

Release the tab -arrow- on the storage compartment -2- and remove the storage compartment downward from the sill-side trim -1-.

Scheme 217

Scheme 217

Push the storage compartment -1- in the direction of the -arrow- and disengage the retainer -lower arrow- from the upper seat frame -2-.

Scheme 218

Scheme 218

Remove the storage compartment from the seat pan upper frame.

Installing

WARNINGFollow all safety precautions when working on pyrotechnic components. Refer to GENERAL INFORMATION . Before handling pyrotechnical components (for example, connecting electrical connector), the person handling them must discharge static electricity. For example, by briefly touching the door striker pin.

Installation is in reverse order of removal. Be sure to note the following

Note. Make sure the connectors are installed all the way in and are secure.

WARNINGConnect the battery with the ignition switched on. Pyrotechnic components could deploy after connecting the battery if they were not repaired correctly. Individuals must not be inside the vehicle when connecting the battery.

Connect the battery ground cable with the ignition turned on. Refer to [For engine(s) CAEB, CALA, CCBA] Removal and Installation .

Note. If the airbag indicator lamp -K75- indicates a fault after installation, the DTC memory must be checked, deleted and checked again using the Vehicle Diagnostic Tester.

The following describes the removal and installation of a manual standard front seat. The procedure is similar for a power standard front seat.

The following describes the removal and installation of a manual standard front seat. The procedure is similar for a power standard front seat.

Note. Removal and installation can be performed with the front seat installed.

Removing

Scheme 219

Scheme 219: TRIM, SILL SIDE

Bring seat as far up as possible.

Remove the expanding rivet -2- from the sill-side trim -1-.

Open the clip -3-.

Scheme 220

Scheme 220

Unclip trim -1- on retaining bracket -2-.

Disengage trim in seat/backrest stop area.

Note. Ensure bracket -4- is not damaged when removing trim.

Release the catch -arrow- on the storage compartment -2- and remove the sill-side trim -1- upward.

Pull the sill-side trim slightly forward off the bracket and remove it upward.

Pull the trim as far up from the retaining bracket as the electrical wires allow.

Disconnect the connectors

Scheme 221

Scheme 221
  1. Seat adjustment control head assembly -E470- / -E471
  2. Lumbar support adjustment switch -E176- / -E177

Free up electrical wire on the bracket -3-.

Remove sill side trim.

Installing

Install in reverse order of removal. Note the following

Note. Make sure the connectors are installed all the way in and are secure. Make sure the sill side trim is engaged correctly on retaining bracket and lock clip is closed. Make sure that the wires are as close as possible to the connectors.

  1. Removal and installation can only be performed with the front seat removed.
  2. The following describes the removal and installation of a manual standard front seat. The procedure is similar for a power standard front seat.

Connecting the airbag adapter on the manual standard front seat is described here. The procedure is similar for the super sport front seat.

The following describes removing and installing on the power standard front seat. The procedure is identical on the super sport front seat.

The following describes the removal and installation of a manual standard front seat. The procedure is similar for a comfort front seat.

Refer to BACKREST COVER (SECTION TWO) for the two-section backrest cover and BACKREST COVER (SECTION ONE) for the one-section backrest cover.

The following describes removing and installing on the power standard front seat. The procedure is identical on the super sport front seat.

The following describes the removal and installation of a manual standard front seat. The procedure is similar for a comfort front seat.

The following describes removing and installing on the power standard front seat. The procedure is identical on the super sport front seat.

The following describes disconnecting and connecting the connectors on the manual standard front seat. The procedure is similar for the super sport front seat.

The following describes the removal and installation of a manual standard front seat. The procedure is similar for a comfort front seat.

FORWARD/BACK ADJUSTMENT MOTOR OR CONTROL MODULE

The removal is described for the power standard front seat. The procedure is identical on the super sport front seat.

The following describes removing and installing on the power standard front seat. The procedure is identical on the super sport front seat.

The following describes removing and installing on the power standard front seat. The procedure is identical on the super sport front seat.

Removing

WARNINGFollow all safety precautions when working on pyrotechnic components. Refer to GENERAL INFORMATION . Before handling airbag units (for example, when disconnecting the harness connector), the person handling them must discharge static electricity. For example, by briefly touching the door striker pin.

Remove the front seat. Refer to POWER STANDARD FRONT SEAT .

Attach the front seat to the VAS 6136. Refer to FRONT SEATS, INSTALLING ON THE Fixture For Seat Repair VAS 6136 .

Remove backrest panel

  1. Two section backrest cover. Refer to «BACKREST COVER (SECTION TWO)»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__backrest-cover-section-two) .
  2. One section backrest cover. Refer to «BACKREST COVER (SECTION ONE)»(/audi/a4/b8-2007-2012/remont/seats/#seat-frames-sedan__backrest-cover-section-one) .

Remove the cover and upholstery/headrest from the backrest BACKREST COVER AND PADDING, SUPER SPORT SEAT .

Headrest guide without release button

Press the retaining tabs -arrows- on the headrest guide toward the center of the headrest guide.

Hold the retaining tabs -arrows- down.

Pull headrest guide -1- upward out of backrest frame -2-.

Headrest guide with release button

Press the retaining tabs -arrows- on the headrest guide toward the center of the headrest guide.

Hold the retaining tabs -arrows- down.

Pull headrest guide -1- upward out of backrest frame -2-.

Installing

WARNINGFollow all safety precautions when working on pyrotechnic components. Refer to GENERAL INFORMATION . Before handling pyrotechnical components (for example, connecting electrical connector), the person handling them must discharge static electricity. For example, by briefly touching the door striker pin.

Installation is performed in the reverse of removal, but note the following

Headrest guide without release button

Note. When sliding the headrest guide -1- in, make sure the tab -3- engages correctly on the backrest frame -2-. Ensure retaining tabs -arrows- are engaged in the backrest frame correctly.

Headrest guide with release button

Note. When sliding the headrest guide -1- in, make sure the tab -3- engages correctly on the backrest frame -2-. Ensure retaining tabs -arrows- are engaged in the backrest frame correctly.

Continuation for headrest guide without and with release button

Note. Make sure the connectors are installed all the way in and are secure.

WARNINGConnect the battery with the ignition switched on. Pyrotechnic components could deploy after connecting the battery if they were not repaired correctly. Individuals must not be inside the vehicle when connecting the battery.

Connect the battery ground cable with the ignition turned on. Refer to [For engine(s) CAEB, CALA, CCBA] Removal and Installation .

Note. If the airbag indicator lamp -K75- indicates a fault after installation, the DTC memory must be checked, deleted and checked again using the Vehicle Diagnostic Tester.

HEADREST UPHOLSTERY, WITH LOCKING MECHANISM

The headrest with slide-in locking mechanism is a fixed component of the backrest upholstery. It is not possible to separate the upholstery and the headrest. Removal and installation of the backrest cover and upholstery/headrest

The following describes removing and installing on the power standard front seat. The procedure is identical on the super sport front seat.

The following describes removing and installing on the manual standard front seat. The procedure is identical on the super sport front seat.

The following describes removing and installing on the power standard front seat. The procedure is identical on the super sport front seat.

The following describes removing and installing on the power standard front seat. The procedure is identical on the super sport front seat.

The modular wiring is described for a manual standard front seat. It is similar for the super sport front seat.

The following describes removing and installing on the power standard front seat. The procedure is identical on the super sport front seat.

The following describes removing and installing on the power standard front seat. The procedure is identical on the super sport front seat.

The following describes removing and installing on the power standard front seat. The procedure is identical on the super sport front seat.

The following describes removing and installing the manual sport front seat. The procedure is identical on the super sport front seat.

SEAT FORWARD/BACK ADJUSTMENT MOTOR

The following describes removing and installing on the power standard front seat. The procedure is identical on the super sport front seat.

The disassembling and assembling procedure is described for a power standard front seat. The procedure is similar for the super sport front seat.

The seat position sensor removal and installation procedure is similar on all seat versions.

  1. The following describes the removal and installation of a manual standard front seat. The procedure is similar for a comfort front seat.
  2. The removal and installation procedure for the seat rail covers is described on the driver seat sill side seat rail. Removing and installing the cover on the tunnel side is similar.

The following describes removing and installing on the power standard front seat. The procedure is identical on the super sport front seat.

The following describes removing and installing on the power standard front seat. The procedure is identical on the super sport front seat.

The following describes removing and installing on the power standard front seat. The procedure is identical on the super sport front seat.

SUPER SPORT FRONT SEAT

The following describes removing and installing on the power standard front seat. The procedure is identical on the super sport front seat.

The following describes the removal and installation of a manual standard front seat. The procedure is similar for a comfort front seat.

The following describes the removal and installation of a manual standard front seat. The procedure is similar for a comfort front seat.

The following describes removing and installing on a standard front seat. The procedure is identical on the super sport front seat.

  1. Removal and installation can only be performed with the front seat removed.
  2. The following describes the removal and installation of a manual standard front seat. The procedure is similar for a comfort front seat.

Removing

Scheme 222

Scheme 222: BACKREST COVER

Remove center armrest. Refer to CENTER ARMREST, SPLIT BACKREST .

Remove the backrest trim. Refer to BACKREST TRIM .

Remove the screws -2- and -3- on the backrest cover -1-.

Press the tabs -arrows- far enough in the direction of the -arrow- until the retaining tabs disengage from the retainer -1- on the bracket -2- disengage.

Scheme 223

Scheme 223

Remove the backrest cover -1- in the direction of the -arrow- from the bracket -4-.

Remove the backrest cover.

Installing

Install in reverse order of removal.

BACKREST COVER TRIM

Removing and installing the cover for the "backrest cover with trim" is similar to removing and installing "storage compartment (backrest cover with lockable cover)".

BACKREST COVER, FIXED REAR SEAT BACKREST

Removing

Scheme 224

Scheme 224: BACKREST COVER, FIXED REAR SEAT BACKREST

Remove the center armrest, bracket and hinges. Refer to CENTER ARMREST, BRACKET AND HINGES, FIXED REAR SEAT BACKREST .

Remove the center armrest from the bracket and hinges. Refer to CENTER ARMREST, FIXED REAR SEAT BACKREST .

Remove the backrest trim. Refer to BACKREST TRIM, FIXED REAR SEAT BACKREST .

Remove the bolts -3-.

Disengage the lower left and right strap -5- on the bracket.

Lift the guides -4- using a screwdriver and at the same time, remove the backrest cover -2- in the direction of the -arrow- upward from the bracket -1-.

Installing

Install in reverse order of removal.

BACKREST LOCK

Note. The removal and installation procedure is described on the left lock. It is similar for the right lock.

Removing

Remove the seat bench. Refer to BENCH SEAT .

Remove the rear seat backrest. Refer to DIVIDED BACKREST .

Remove the headrests. Refer to HEADREST .

Remove the cover with the upholstery. Refer to

  1. «BACKREST WITH PASS-THROUGH»(/audi/a4/b8-2007-2012/remont/seats/#seat-upholstery-covers-sedan__backrest-with-pass-through) .
  2. «BACKREST WITH COVER OR STORAGE COMPARTMENT»(/audi/a4/b8-2007-2012/remont/seats/#seat-upholstery-covers-sedan__backrest-with-cover-or-storage-compartment) .

Remove bolts -3- (quantity: 2).

Scheme 225

Scheme 225

Remove the lock -2- from the backrest shell -1-.

Installing

Install in reverse order of removal.

BACKREST TRIM

Removing

Scheme 226

Scheme 226: BACKREST TRIM

Remove the center armrest -3-. Refer to CENTER ARMREST, SPLIT BACKREST .

Push the padding and cover -1- to the side the remove the screw -4- for the backrest trim -2-.

Hold the backrest trim -2- by the lower edge and pull it as far as possible in the direction of the -arrow- off the backrest cover -1-.

Scheme 227

Scheme 227

Disengage the retaining tabs -4- and -5-.

Note. Ignore -3-.

Remove the backrest trim -1- in the direction of the -arrow- from the backrest cover -2- and unhook the upper hooks -top arrows-.

Scheme 228

Scheme 228

Remove the backrest trim.

Installing

CAUTIONThe hooks on the upper side of the backrest trim can get damaged during removal.

Check the backrest trim -1- around the hooks -top arrows- for damage; if necessary, replace them.

Further installation is performed in the reverse order of removal.

BACKREST TRIM, FIXED REAR SEAT BACKREST

Special tools and workshop equipment required

  1. Trim Removal Wedge 3409

Removing

Scheme 229

Scheme 229

Remove the center armrest, bracket and hinges. Refer to CENTER ARMREST, BRACKET AND HINGES, FIXED REAR SEAT BACKREST .

Remove the center armrest from the bracket and hinges. Refer to CENTER ARMREST, FIXED REAR SEAT BACKREST .

Remove the backrest trim screw -5-.

Release the tabs for the lower side backrest trim -2- using the 3409 on the backrest cover -1-.

Remove the backrest trim from the cover -arrows- and unhook the hooks -3- and -4-.

Remove the backrest trim.

Installing

Install in reverse order of removal. Note the following

CAUTIONThe hooks on the upper side of the backrest trim can get damaged during removal.

Check the backrest trim -1- around the hooks -3- and -4- for damage and replace if necessary.

Further installation is performed in the reverse order of removal.

BENCH SEAT

Removing

Scheme 230

Scheme 230: BENCH SEAT

Move the front seats as far forward as possible.

Remove the LATCH child seat anchor cover (quantity: 4) -1- from the anchors -2-.

Reach under the seat bench frame with both hands on one side of the seat -arrows A-.

Scheme 231

Scheme 231

Pull bench seat -1- up forcefully with both hands -A arrows- so that wire hooks -2- disengage from mounting grommet -3-.

Repeat the procedure on the other side -B arrows-.

Vehicles with seat heating: disconnect the seat heating connector

Remove the bench seat from the vehicle.

Installing

Note. The floor panel into which the mounting grommets are inserted must be checked after every disassembly of the bench seat and be readjusted in the case of deformation. The wire frame of the bench seat must be checked after every disassembly and be readjusted in the case of deformation. The mounting grommets must be replaced each time the bench seat is removed.

Install in reverse order of removal. Note the following

Scheme 232

Scheme 232: REMOVE MOUNTING GROMMETS -2- FROM THE BODY OPENING AND THROW AWAY

Check the floor panel for deformation and adjust if necessary. Refer to FLOOR PANEL FOR BENCH SEAT MOUNTING GROMMETS AND WIRE FRAME, CHECKING AND ALIGNING .

Check the wire frame for deformation and adjust if necessary. Refer to FLOOR PANEL FOR BENCH SEAT MOUNTING GROMMETS AND WIRE FRAME, CHECKING AND ALIGNING .

Lift floor covering -3- and press in new mounting grommets -2- until they engage audibly in body opening -1-.

Place floor covering -3- around grommet -2- as shown.

Note. Floor covering -3- may not be on grommet -2-. Make sure the seat heating electrical collections slide on and engage audibly.

Insert bench seat -1- and press wire frame -2- "firmly" into grommets -3-.

Ensure that wire frames -2- are engaged correctly in grommets -3-.

Note. The bench seat must finally be checked for secure fit.

For this purpose, grab with both hands under the seat bench frame on one side of the seat -A arrows- and pull evenly not "abruptly" upward with a force of approximately. 100 to 150 N "i.e. - approximately 10 to 15 kg (22 to 33 lb)".

Repeat the procedure on the other side -B arrows-.

Note. The bench seat must NOT disengage from the grommets.

If the bench seat does disengage, the entire procedure must be repeated. Refer to BENCH SEAT .

BENCH SEAT WITH CENTER STORAGE COMPARTMENT

Removing and installing the one-piece seat bench is described. It is similar for the seat bench with center storage. The center storage is removed or installed with the seat bench.

BRACKET, CENTER

Removing

Scheme 233

Scheme 233: BRACKET, CENTER

Note. The rear seat backrest only needs to be disengaged from the mounts to remove and install the center bracket.

Remove the seat bench. Refer to BENCH SEAT .

Remove the 2/3 (right side) and 1/3 (left side) backrests. Refer to DIVIDED BACKREST .

Remove bolts -1- (quantity: 4).

Remove the center bracket -2- from the underbody -3-.

Installing

Install in reverse order of removal.

BRACKET, INNER

Removing

Remove the 2/3 (right side) and 1/3 (left side) backrests. Refer to DIVIDED BACKREST .

Pry the cover disc off -4-.

Note. The illustration does not show the upholstery with the cover.

Remove screws -3- from the backrest shell -1-.

Remove the grommet -2- from the bolt.

Installing

Install in reverse order of removal.

Tightening specifications (Scheme 113)

BRACKET, OUTER

Special tools and workshop equipment required

  1. Trim Removal Wedge 3409

Removing

Scheme 234

Scheme 234

Remove the 2/3 (right side) or 1/3 (left side) backrests DIVIDED BACKREST .

Unclip the mount -2- from the backrest -1-.

CAUTIONMake sure the backrest cover is not damaged when unclipping the mount.

Installing

Install in reverse order of removal. Note the following

Make sure all retaining tabs -arrow- engage completely in the mount -3- on the backrest -1-.

BRACKET, SECURING

Removing

Scheme 235

Scheme 235: BRACKET, SECURING

Remove the seat bench. Refer to BENCH SEAT .

Remove the center bracket cover -5-. Refer to CENTER STORAGE COMPARTMENT COVER .

Remove the screw -4-.

Remove the securing bracket -3- from the center bracket -2-.

Installing

Install in reverse order of removal.

BRACKET WITH HINGES, LOCKABLE STORAGE COMPARTMENT

Special tools and workshop equipment required

  1. Special Pop Rivet Pliers V.A.G 1753A
  2. Drill
  3. Protective eyewear

Removing

Scheme 236

Scheme 236

Remove center armrest. Refer to CENTER ARMREST, SPLIT BACKREST .

Remove the storage compartment. Refer to LOCKABLE ARMREST STORAGE COMPARTMENT .

Note. Place plastic film between the bench seat and backrest to protect against metal shavings.

WARNINGRisk of injury! Wear protective eyewear.

Drill out rivet -3-.

Remove the nuts -4- (quantity: 2).

Remove the bracket -1- from the threaded pins -5- and pull it out of the profile -2- in the direction of the -arrow-.

Installing

Install in reverse order of removal.

BRACKET WITH HINGES, NON-LOCKING COVER

Special tools and workshop equipment required

  1. Special Pop Rivet Pliers V.A.G 1753A
  2. Drill
  3. Protective eyewear

Removing

Remove center armrest. Refer to CENTER ARMREST, SPLIT BACKREST .

Remove the backrest trim. Refer to BACKREST TRIM .

Remove the backrest cover. Refer to BACKREST COVER .

Note. Place plastic film between the bench seat and backrest to protect against metal shavings.

WARNINGRisk of injury! Wear protective eyewear.

Drill out rivet -3-.

Remove the nuts -4- (quantity: 2).

Remove the bracket -1- from the threaded pins -5- and pull it out of the profile -2- in the direction of the -arrow-.

Installing

Install in reverse order of removal.

CENTER ARMREST, FIXED REAR SEAT BACKREST

Removing

Scheme 237

Scheme 237: CENTER ARMREST, FIXED REAR SEAT BACKREST

Fold up center armrest -1- to 2 / 3 .

Push the backrest cushion toward the rear and remove the screws -arrows- (quantity 4).

Remove the center armrest from the bracket -2-.

Installing

Install in reverse order of removal.

CENTER ARMREST, BRACKET AND HINGES, FIXED REAR SEAT BACKREST

Removing

Scheme 238

Scheme 238: CENTER ARMREST, BRACKET AND HINGES, FIXED REAR SEAT BACKREST

Remove the rear panel trim panel. Refer to REAR BULKHEAD TRIM, FIXED REAR SEAT BACKREST .

Remove the right and left bracket nuts -3- evenly.

Fold the center armrest -1- 2 / 3 up and remove the screws -4-.

Remove the center armrest, the bracket and hinges from the rear seat backrest.

Installing

Install in reverse order of removal. Note the following

Tighten the right and left bracket nuts -3- alternating sides.

CENTER ARMREST, PASS-THROUGH

Removing

Scheme 239

Scheme 239: CENTER ARMREST, PASS-THROUGH

Fold center armrest up.

Open the pass-through cover -1-.

Remove the bolts -arrows-.

Remove the center armrest with the pass-through cover.

Installing

Install in reverse order of removal.

CENTER ARMREST, SPLIT BACKREST

Removing

Scheme 240

Scheme 240: CENTER ARMREST, SPLIT BACKREST

Fold up center armrest -2- to 2 / 3 .

Remove the bolts -arrows- (quantity: 4).

Remove the center armrest from the storage compartment -1-.

Installing

Install in reverse order of removal.

CENTER ARMREST COVER, PASS-THROUGH

Removing

Scheme 241

Scheme 241: CENTER ARMREST COVER, PASS-THROUGH

Fold up center armrest -1- to 2 / 3 .

Remove the bolts -arrows-.

Remove the center armrest from the pass-through cover -2-.

Installing

Install in reverse order of removal.

CENTER ARMREST COVER, SPLIT BACKREST

Removing and installing the backrest cover with trim is similar to removing and installing the center armrest with storage compartment (backrest with lockable cover).

CENTER STORAGE COMPARTMENT

Removing

Scheme 242

Scheme 242: CENTER STORAGE COMPARTMENT

Remove the seat bench. Refer to BENCH SEAT .

Disengage the molding -2- from the channel -arrow- in the center storage compartment -1- at the rear and both sides.

Unclip the center storage compartment -2- at the seat bench frame -1- -arrows-.

Scheme 243

Scheme 243

Pull the center storage compartment forward and disengage the tabs at seat bench frame -1-.

Remove the center storage compartment from the seat bench frame.

Installing

Install in reverse order of removal. Note the following

When installing, make sure all the tabs slide onto the seat bench frame and the center storage compartment engages completely.

When engaging the cover in the center storage compartment channel, begin at the center of the rear.

Align the cover molding to the center storage compartment and then clip the cover into the center storage compartment channel.

Do the same on the other sides of the cover.

Make sure the covers are secured on the center storage compartment without wrinkles.

CENTER STORAGE COMPARTMENT COVER

Special tools and workshop equipment required

  1. Trim Removal Wedge 3409

Removing

Scheme 244

Scheme 244

Remove the seat bench. Refer to BENCH SEAT .

Unclip the side retainers -A arrows- on the cover -1-.

Remove the cover in the direction of the -arrow- from the center bracket -2-.

Disengage the hooks -arrow B- from the opening -arrow C-.

Installing

Install in reverse order of removal.

COVER FRAME

Special tools and workshop equipment required

  1. Release Lever T10039

Removing

Scheme 245

Scheme 245

Open the pass-through.

Pry the cover frame -2- off the rear seat backrest -1- using the T10039.

Begin prying in the upper left corner -arrow- and then continue moving in the direction of the -arrow-.

Installing

Install in reverse order of removal. Note the following

Make sure the cover frame engages completely in the rear seat backrest.

CUPHOLDER

Removing

Scheme 246

Scheme 246: CUPHOLDER

Remove the cupholder trim CUPHOLDER TRIM .

Open the cupholder cover -1-.

Press the clamp -3- on one side in the direction of the -arrow- using a screwdriver and carefully remove the cupholder trim over the retaining tab -2- from the center armrest.

Proceed the same way on the other side.

Remove the cupholder.

Installing

Install in reverse order of removal.

CUPHOLDER TRIM

Special tools and workshop equipment required

  1. Trim Removal Wedge 3409

Removing

Scheme 247

Scheme 247

Fold the center armrest -1- up.

Unclip the trim -2- using the 3409.

Begin at the bottom edge and release the catches -arrows-.

Then disengage the tabs -3-.

Remove the trim from the center armrest.

Installing

Install in reverse order of removal.

DIVIDED BACKREST

Note. Removing and installing the right 2/3 split backrest is described. It is similar for the left 1/3 backrest.

Special tools and workshop equipment required

  1. Trim Removal Wedge 3409

Removing

Remove the seat bench. Refer to BENCH SEAT .

Remove the center rear belt end fitting. Refer to REAR RIGHT SEAT BELT LATCH WITH CENTER REAR BELT ANCHOR .

Vehicles equipped with backrest heating: disconnect the backrest heating harness connector

Versions with rear seat belt tensioner igniter

WARNINGFollow all safety precautions when working on pyrotechnic components. Refer to GENERAL INFORMATION . Follow all regulations when disposing of pyrotechnic components. Refer to AIRBAG, BELT TENSIONER AND BATTERY CUT-OUT UNITS, STORING, TRANSPORTING AND DISPOSING .

Turn on the ignition.

Disconnect the battery ground cable from the battery with the ignition on. Refer to [For engine(s) CAEB, CALA, CCBA] Removal and Installation .

WARNINGBefore handling pyrotechnical components (for example, disconnecting the connector), the person handling them must discharge static electricity. For example, by briefly touching the door striker pin.

Disconnect electrical connectors.

Scheme 248

Scheme 248

Push connector lock -2- to stop -arrow- ; this disconnects electrical connection -1- and -3- and it can be removed.

All vehicles

Remove the center bracket cover -5- CENTER STORAGE COMPARTMENT COVER .

Remove the screw -4-.

Remove the securing bracket -3- from the center bracket.

Release the backrest.

Remove the backrest -1- from the center bracket -2-.

Remove the rear seat backrest out of the outer bracket toward the center of vehicle.

Installing

Install in reverse order of removal. Note the following

Versions with rear seat belt tensioner igniter

WARNINGFollow all safety precautions when working on pyrotechnic components. Refer to GENERAL INFORMATION . Before handling pyrotechnical components (for example, connecting electrical connector), the person handling them must discharge static electricity. For example, by briefly touching the door striker pin.

Note. Make sure the connectors are installed all the way in and are secure. Make sure the wires do not get caught.

WARNINGConnect the battery with the ignition switched on. Pyrotechnic components could deploy after connecting the battery if they were not repaired correctly. Individuals must not be inside the vehicle when connecting the battery.

Connect the battery ground cable with the ignition turned on. Refer to [For engine(s) CAEB, CALA, CCBA] Removal and Installation .

FLOOR PANEL FOR BENCH SEAT MOUNTING GROMMETS AND WIRE FRAME, CHECKING AND ALIGNING

Check and adjust the floor panel.

Check body openings -1- for deformations.

In the case of deformation, readjust the panel with a plastic hammer.

Note. Remaining minor deformation is permissible.

Check and adjust the bench seat wire frame.

Scheme 249

Scheme 249

Note. The illustration of the seat foam can deviate from the real bench seat. Regardless of the shape of the seat foam, dimension -a- must be measured between the upper edge of the seat foam and the upper edge of the wire frame.

Place the bench seat with the cover on a clean stable surface.

Check dimension -a- on both sides of the seat bench frame, from the padding to the upper edge of the wire frame. Dimension -a- must be 22 to 28 mm (0.86 to 1.10 in)

If dimension -a- does not meet the specification, the wire frame must be adjusted to meet the specification. For this purpose evenly adjust the wire frame in the area of the -motion arrows-.

HEADREST

Removing

Scheme 250

Scheme 250: HEADREST

Press the button -3- for the head restraint height adjustment -2- in the direction of the -arrow- and pull the head restraint -1- out of the backrest -2- until it stops.

Using a small flat-head screwdriver, press the locking spring as far as the stop through the opening -arrow- in the headrest guide -1-.

Scheme 251

Scheme 251

Remove the headrest -2- from the backrest -3-.

Installing

Install in reverse order of removal. Note the following

Slide the headrest into the backrest as far as the bottom position.

Check if the headrest locks correctly.

  1. It must not be possible to pull the headrest back out of the backrest.

Removing

Remove the headrests. Refer to HEADREST .

Remove the cover with upholstery from the backrest shell. Refer to

  1. «BACKREST WITH PASS-THROUGH»(/audi/a4/b8-2007-2012/remont/seats/#seat-upholstery-covers-sedan__backrest-with-pass-through) .
  2. «BACKREST WITH COVER OR STORAGE COMPARTMENT»(/audi/a4/b8-2007-2012/remont/seats/#seat-upholstery-covers-sedan__backrest-with-cover-or-storage-compartment) .
  3. «FIXED REAR SEAT BACKREST»(/audi/a4/b8-2007-2012/remont/seats/#seat-upholstery-covers-sedan__fixed-rear-seat-backrest) .

Fold the cover with upholstery -1- up until the headrest tube -2- welded into the backrest shell -3- with the headrest guide -4- is visible.

Scheme 252

Scheme 252

Press the retaining tab -arrow A- down until the headrest guide is no longer locked.

Note. Ignore -arrow B-.

Pull the head restraint guide upward and out of the head restraint tube.

Installing

Install in reverse order of removal. Note the following

Slide the headrest guide -4- into the headrest tube -2- until the retaining tab -arrow A- engages in the window -arrow B-.

Before continuing the installation of the upholstery and cover, make sure both headrest guides are engaged and cannot be pulled out.

INTERNAL PADDING

Removing

Scheme 253

Scheme 253: INTERNAL PADDING

Remove the center armrest with the pass-through cover. Refer to CENTER ARMREST, PASS-THROUGH .

Release the clips -arrows

Remove the internal upholstery -1- opposite the center armrest.

While removing, swing the internal padding upward at the same time. The retaining hooks -2, 3 and 4- will disengage from their retainers -5 and 6- and out of the opening -7-.

Remove the internal upholstery from the center armrest with the pass-through cover -8-.

Installing

Install in reverse order of removal. Note the following

Fold the internal upholstery -1- down and guide the retaining hooks -2, 3 and 4- into the retainers -5 and 6- and into the cut-out -7-.

Press the bottom side of the internal upholstery onto the clips -arrows- on the pass-through cover.

If the internal upholstery cannot be pressed on, carefully press the clips arrows in using a screwdriver until the upholstery engages in retainer.

LOCK CYLINDER

Removing

Scheme 254

Scheme 254: LOCK CYLINDER

Remove the trim for the retainer with lock cylinder. Refer to LOCK TRIM, WITH LOCK CYLINDER .

Make sure the indicator is in the top position.

CAUTIONOnly remove and install the lock cylinder with the key inserted correctly. If that is not done, the tumblers and compression springs can fall out and the lock cylinder will be ruined.

Release the retaining tabs -bottom arrows- (quantity: 4) and press the lock cylinder -3- with the key -2- out of the trim -1-.

Note. Ignore the -top arrow-.

Installing

Install in reverse order of removal. Note the following

CAUTIONOnly remove and install the lock cylinder with the key inserted correctly. If that is not done, the tumblers and compression springs can fall out and the lock cylinder will be ruined. Check the installation position when installing the lock cylinder. It is not possible to lock the backrest correctly if the installation position is not correct.

Slide the lock -2- into the new lock cylinder correctly.

Remove the protective cap -4- from the new lock cylinder -3-.

INSERT THE LOCK CYLINDER -3- INTO THE TRIM -1-, WHEN DOING THIS PAY SPECIAL ATTENTION TO THE POSITION OF THE TAB -TOP ARROW

  1. Left trim: the tab on the lock cylinder must face forward (direction of travel).
  2. Right trim: the tab on the lock cylinder must face the rear (direction of travel).
  3. Also, the lock cylinder must fit correctly into the retainers -lower arrows

Note. The left lock cylinder trim is illustrated.

Install the trim with lock cylinder in the rear seat backrest. Refer to LOCK TRIM, WITH LOCK CYLINDER .

Turn the key 90° counterclockwise.

Lock the backrest.

LOCK TRIM, WITH LOCK CYLINDER

Special tools and workshop equipment required

  1. Trim Removal Wedge 3409

Removing

Scheme 255

Scheme 255

Release the backrest.

Make sure the button -2- is in the "top" position.

Using the 3409 push on the retaining tabs on both sides of the trim, in the direction of the -arrows-.

Pull the trim -1- off the backrest -3-.

Installing

Install in reverse order of removal. Note the following

Make sure the button -2- moves easily after installing the trim.

When installing the trim -1-, make sure the lock cylinder installation position is correct. Refer to LOCK CYLINDER .

LOCKABLE ARMREST STORAGE COMPARTMENT

Note. The lockable cover can only be replaced together with the storage compartment.

Removing

Scheme 256

Scheme 256: LOCKABLE ARMREST STORAGE COMPARTMENT

Remove center armrest. Refer to CENTER ARMREST, SPLIT BACKREST .

Open the storage compartment -1- cover -4-.

Remove the bolts -2- and -3-.

Press the tabs -arrows- on the storage compartment (cover for the lockable storage compartment) -1- in the direction of the -arrow-, until the retaining tabs disengage from the retainer on the bracket -2-.

Scheme 257

Scheme 257

Remove the storage compartment (cover for lockable armrest storage compartment) -1- in the direction of the -arrow- (upward and to the front at an angle) from the bracket.

Remove the storage compartment.

Installing

Install in reverse order of removal.

LOCKABLE COVER

The cover cannot be removed and installed separately. The cover can only be replaced together with the storage compartment.

PASS-THROUGH COVER

Removing

Scheme 258

Scheme 258: PASS-THROUGH COVER

Remove the center armrest with the pass-through cover. Refer to CENTER ARMREST, PASS-THROUGH .

Fold up center armrest -1- to 2 / 3 .

Remove the bolts -arrows- (quantity: 4).

Remove the pass-through cover -2- from the center armrest.

Remove the internal upholstery -3-. Refer to INTERNAL PADDING .

Installing

Install in reverse order of removal.

PASS-THROUGH COVER LOCK CYLINDER

Removing

Scheme 259

Scheme 259: PASS-THROUGH COVER LOCK CYLINDER

Fold center armrest up.

CAUTIONOnly remove and install the lock cylinder with the key inserted correctly. If that is not done, the tumblers and compression springs can fall out and the lock cylinder will be ruined.

Insert the key -3- into the lock cylinder -2- correctly.

Turn the key 90° counterclockwise.

Move the pass-through door handle -1- all the way up.

Disengage the retaining tabs -lower arrows- and press the lock cylinder and key out of the handle.

Note. Ignore the -top arrow- in this figure.

Installing

Install in reverse order of removal. Note the following

CAUTIONOnly remove and install the lock cylinder with the key inserted correctly. If that is not done, the tumblers and compression springs can fall out and the lock cylinder will be ruined. Check the installation position when installing the lock cylinder. It is not possible to lock the backrest correctly if the installation position is not correct.

Slide the lock -3- into the new lock cylinder -2- correctly.

Remove the protective cap -4- from the new lock cylinder.

Insert the lock cylinder in the pass-through door handle -1-.

  1. Installation position of the lock cylinder: the key slot must be vertical and the retaining tabs -upper arrow- must point to the right, opposite the direction of travel.

Turn the key 90° clockwise.

Note. Make sure the lock cylinder is correctly installed into the retainers -lower arrows-.

REAR BULKHEAD TRIM, FIXED REAR SEAT BACKREST

Special tools and workshop equipment required

  1. Pry Lever 80 - 200

Removing

Scheme 260

Scheme 260

Note. In the illustrations the rear seat backrest is removed.

Remove the clips -arrows- using the 80 - 200 and remove the rear panel trim panel -1-.

Installing

Install in reverse order of removal. Note the following

Note. Replace damaged clips.

REAR SEAT BACKREST, FIXED

Removing

Scheme 261

Scheme 261: REAR SEAT BACKREST, FIXED

Remove the screw in the luggage compartment -1-.

Remove the bench seat. Refer to BENCH SEAT .

Scheme 262

Scheme 262

Vehicles equipped with backrest heating: disconnect the backrest heating harness connector.

Remove the bolts -1-.

Remove the backrest by the lower edge -arrow- and remove it from the vehicle.

Installing

Install in reverse order of removal.

SIDE UPHOLSTERY

Removing

Scheme 263

Scheme 263: SIDE UPHOLSTERY

Remove the bench seat. Refer to BENCH SEAT .

Remove the screw -3-.

Fold the backrest forward.

Hold the belt -1- to the side and remove the side upholstery -3- forward -arrow-.

Pull the side upholstery downward out of the belt guide and remove it.

Installing

Install in reverse order of removal. Note the following

First connect the upper side upholstery into the belt guide.

STORAGE COMPARTMENT COVER TRIM

Special tools and workshop equipment required

  1. Trim Removal Wedge 3409

Removing

Scheme 264

Scheme 264

Pry the cover -1- off the storage compartment -2- by unclipping the retaining tabs -arrows B- out of the retainers -arrow A-.

Remove the cover from the storage compartment.

Installing

Install in reverse order of removal.

FASTENER TIGHTENING SPECIFICATIONS

ComponentsFastener SizeNm
Front Seat - (Many Components Listed - "If Equipped")
Backrest to Seat Pan Screws33
Backrest Adjustment Motor Bolt7.5
DVD Retaining Plate Screws6
DVD Socket Nut0.4
Lumbar Support Adjustment Switch Screws0.5
Retaining Bracket for Sill Side Trim Screws8
Seat Adjustment Control Head0.4
Seat Angle Adjuster Bolts6.5
Seat Angle Adjuster Shoulder Pin6
Seat Angle Adjustment Motor Bolt20
Seat Angle Adjustment Motor Screws10
Seat Pan to Vehicle Floor Bolts50
Seat Cushion Fan Air Intake Grille Bolts1.5
Seat Depth Adjuster Bolts4
Seat Depth Adjuster Screws4
Seat Height Adjuster Screws6.5
Seat Height Adjuster Bolt10
Seat Height Adjustment Lever Screws8
Seat Height Adjustment Motor to Bracket Screws10
Seat Pan to Lower Seat Pan Frame Bolts22
Shaft for Backrest Frame Nut6
Sill Side Trim Retaining Bracket Screws3.5
Spindle for Adjustment Bolt (Left Hand Threaded)18
Storage Compartment Bolts8
Rear Seat
Center Armrest Bracket with Hinges Nuts8
Center Armrest Bracket with Hinges Nuts (Fixed Rear Seat Backrest)5
Center Armrest Bracket with Hinges Screws11
Center Armrest Bracket with Hinges Self Locking Bolts (Fixed Rear Seat Backrest)8
Center Armrest with Pass-Through Cover Bracket Screws8
Center Armrest with Pass-Through Cover Hood Bolts11
Center Bracket Securing Bracket Bolt9
Cover for Backrest Bolts4
Cover Trim for Backrest Bolt0.9
Divided Backrest Center Bracket Screws16.5
Fixed Rear Seat Backrest (Lower Bolts)33
Fixed Rear Seat Backrest (Upper Bolts)30
Inner Bearing Assembly Bolt15
Lock Cylinder Locking Tab Bolts25
Side Upholstery Bolt (if equipped with side airbag)9
Side Upholstery Bolt (if equipped without side airbag)3

Scheme 265

Scheme 265: SPECIAL TOOLS

Scheme 266

Scheme 266

Scheme 267

Scheme 267

Scheme 268

Scheme 268

Scheme 269

Scheme 269

Scheme 270

Scheme 270

Scheme 271

Scheme 271

Scheme 272

Scheme 272

Scheme 273

Scheme 273
  1. Lifting Tackle 2024A/1
  2. Counter-Hold Tool 3145
  3. Assembly Tool 3399
  4. Trim Removal Wedge 3409
  5. Hook 3438
  6. Release Lever T10039
  7. Special Pop Rivet Pliers V.A.G 1753A
  8. Engine and Gearbox Support VAS 6095
  9. Seat Repair Stand VAS 6136
  10. Airbag AdapterVAS 6281

See also:
FRONT SIDE AIRBAG OVERVIEW
FRONT THORAX AIRBAG IGNITER -N199- / -N200
DRIVER SIDE REAR THORAX AIRBAG IGNITER -N201- AND FRONT PASSENGER REAR THORAX AIRBAG IGNITER -N202
LATCH CHILD SEAT ANCHORAGE FRONT SEAT
LATCH AND TOP TETHER CHILD SEAT ANCHORAGES (ISOFIX), CHECKING AFTER COLLISION
[For engine(s) CAEB, CALA, CCBA] Removal and Installation
SEAT POSITION SENSOR OVERVIEW
SEAT POSITION SENSOR, WITH SEAT OCCUPIED SENSOR FOR BELT FASTENING DETECTION
BACKREST COVER AND PADDING, SUPER SPORT SEAT
CENTER REAR BELT GUIDE, WITH FOLDABLE REAR SEAT BACKREST
[For engine(s) CAEB, CALA, CCBA] Removal and Installation
BACKREST COVER AND PADDING
FRONT BELT END FITTING
[For engine(s) CAEB, CALA, CCBA] Wiring
COVER AND PADDING, LOWER SEAT FRAME WITHOUT SEAT DEPTH ADJUSTER
BACKREST WITH PASS-THROUGH
BACKREST WITH COVER OR STORAGE COMPARTMENT
REAR RIGHT SEAT BELT LATCH WITH CENTER REAR BELT ANCHOR
AIRBAG, BELT TENSIONER AND BATTERY CUT-OUT UNITS, STORING, TRANSPORTING AND DISPOSING
FIXED REAR SEAT BACKREST
MANUAL (STANDARD) FRONT SEAT OVERVIEW
MANUAL STANDARD FRONT SEAT
POWER STANDARD FRONT SEAT OVERVIEW
POWER STANDARD FRONT SEAT
SUPER SPORT FRONT SEAT OVERVIEW
DIVIDED BACKREST OVERVIEW
DIVIDED BACKREST
CENTER ARMREST WITH COVER AND TRIM OVERVIEW
CENTER ARMREST, SPLIT BACKREST
BACKREST TRIM
LOCKABLE ARMREST STORAGE COMPARTMENT
CENTER ARMREST, PASS-THROUGH
BENCH SEAT
BACKREST FRONT
HEADRESTS WITH LOCKING MECHANISM
HEADREST GUIDE
SEAT FORWARD/BACK ADJUSTER OVERVIEW
SEAT FORWARD/BACK ADJUSTMENT HANDLE
SEAT RAIL COVER
TRIM, TUNNEL SIDE
HEADREST OVERVIEW
BACKREST ADJUSTMENT WHEEL
SEAT HEIGHT ADJUSTER AND SEAT HEIGHT ADJUSTMENT HANDLE OVERVIEW
SEAT HEIGHT ADJUSTMENT
TRIM, SILL SIDE
FRONT SEATS, BRINGING INTO THE SERVICE POSITION
CONNECTOR STATION CONNECTORS OVERVIEW
MODULAR WIRE ROUTING OVERVIEW
MODULAR WIRE ROUTING WITH RIDGED TUBE ON FRONT SEAT
BACKREST COVER (SECTION ONE)
SEAT FORWARD/BACK ADJUSTER RELEASE CABLE
RELEASE CABLE MOUNT LEVER AND SEAT FORWARD/BACK ADJUSTMENT SPRING
SEAT HEIGHT ADJUSTMENT HANDLE
RIGHT FRONT SEAT VENTILATION CONTROL MODULE (SEAT HEATER INTEGRATED) -J799- / -J800
MEMORY SEAT/STEERING COLUMN ADJUSTMENT CONTROL MODULE BRACKET
SILL SIDE RETAINING BRACKET TRIM
SPRING MAT
TORSION BAR
TORSION BAR BEARING
BACKREST FRAME TRIM
BACKREST COVER (SECTION TWO)
TWO-SECTION BACKREST COVER WITH BACKREST FRAME TRIM OVERVIEW
ONE-SECTION BACKREST COVER OVERVIEW
SEAT ADJUSTMENT CONTROL SWITCH
BACKREST AND HEADREST ADJUSTMENT ACTUATOR
FORWARD/BACK ADJUSTMENT MOTOR OVERVIEW
BACKREST ADJUSTMENT MOTOR OVERVIEW
FORWARD/BACK ADJUSTMENT MOTOR AND LUMBAR SUPPORT ADJUSTMENT
HEIGHT ADJUSTMENT MOTOR OVERVIEW
SEAT ADJUSTMENT CONTROL HEAD OVERVIEW
SEAT ANGLE ADJUSTMENT MOTOR OVERVIEW
POWER HEADRESTS OVERVIEW
SEAT PAN OVERVIEW
SEAT DEPTH ADJUSTER
BACKREST AND HEADREST ADJUSTMENT CONTROL HEAD OVERVIEW
FAN, SEAT CUSHION
FAN, UPPER BACKREST
SEAT ANGLE ADJUSTMENT HANDLE
SEAT ANGLE ADJUSTER
TRIM, SEAT DEPTH ADJUSTOR
SEAT DEPTH ADJUSTER OVERVIEW
FLOOR PANEL FOR BENCH SEAT MOUNTING GROMMETS AND WIRE FRAME, CHECKING AND ALIGNING
BRACKET WITH HINGES, NON-LOCKING COVER
STORAGE COMPARTMENT COVER TRIM
CENTER ARMREST, FIXED REAR SEAT BACKREST
CUPHOLDER TRIM
CUPHOLDER
BACKREST COVER, FIXED REAR SEAT BACKREST
BACKREST TRIM, FIXED REAR SEAT BACKREST
REAR SEAT BACKREST, FIXED
BRACKET WITH HINGES, LOCKABLE STORAGE COMPARTMENT
COVER FRAME
PASS-THROUGH COVER
INTERNAL PADDING
CENTER ARMREST COVER, PASS-THROUGH
PASS-THROUGH COVER LOCK CYLINDER
BRACKET, CENTER
BRACKET, INNER
SIDE UPHOLSTERY
HEADREST
CENTER STORAGE COMPARTMENT COVER
LOCK CYLINDER OVERVIEW
LOCK TRIM, WITH LOCK CYLINDER
BACKREST LOCK
BRACKET, OUTER
BRACKET, SECURING
REAR BULKHEAD TRIM, FIXED REAR SEAT BACKREST
LOCK CYLINDER
DISCONNECTING AND CONNECTING THE HARNESS CONNECTORS
FRONT SEATS, INSTALLING ON THE Fixture For Seat RepairVAS 6136
Airbag Adapter VAS 6281 CONNECTING
CENTER ARMREST, BRACKET AND HINGES, FIXED REAR SEAT BACKREST