Seat Frames (Coupe): Adjustments Audi TT 8J facelift

DRIVER SEAT ANGLE ADJUSTMENT MOTOR V243/V244

Removing

Remove the seat. Refer to FRONT SEAT .

Attach the front seat to the fixture for seat repair VAS 6136. Refer to INSTALLING FRONT SEAT ON VAS 6136 .

Remove bolts -2- (quantity: 4).

Scheme 80

Remove the bolt -3-.

Remove connector -4-.

Remove Driver Seat Inclination Adjustment Motor -V243- or -V244- -1-.

Installation

Install in reverse order of removal. Note the following

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

Switch on ignition.

Connect battery ground cable with ignition switched on. Refer to [For transmission(s) 02E] [For engine(s) CBRA, BPY, CETA, CCTA, CEPB, CDMA] Removal and Installation .

If Airbag Malfunction Indicator Lamp (MIL) -K75- indicates a fault after installation, DTC memory must be checked, deleted and checked again. .

Scheme 81

1. Upper seat pan frame Separate the seat pan upper and lower frames and assemble. Refer to «SEAT PAN, DISASSEMBLING AND ASSEMBLING»(ref-505614-S40511025652012100100000)
2. Lower seat pan frame Separate the seat pan upper and lower frames and assemble. Refer to «SEAT PAN, DISASSEMBLING AND ASSEMBLING»(ref-505614-S40511025652012100100000)
3. Seat forward/back adjustment motor -V288- Removing and Installing, refer to «SEAT FORWARD/BACK ADJUSTMENT MOTOR V288»(ref-505614-S34410619072012100100000)

SEAT FORWARD/BACK ADJUSTMENT STOP

Note. The seat fore and aft adjustment stop can be removed and installed with the seat installed. For overview purposes, the stop is only shown on one side.

Removing

Unclip seat fore and aft adjustment stop -1-.

Scheme 82

Installation

Install in reverse order of removal.

FRONT SEAT LUMBAR SUPPORT ADJUSTMENT SWITCHES E176 AND E177

Removing

Remove tunnel side trim panel. Refer to SILL SIDETRIM .

Disconnect the connector -4-.

Scheme 83

Note. On vehicles with manual front seats and passenger occupant detection system (country-specific), the connector -4- is connected from above, in contrast to the illustration.

Remove bolts -3- (quantity: 2).

Remove Driver Seat Lumbar Support Adjustment Switch -E176- or -E177- -1- from trim -2-.

Installation

Install in reverse order of removal. Note the following

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

SEAT HEIGHT ADJUSTMENT HANDLE

Special tools and workshop equipment required

1. It is necessary to create an assisting tool «ASSISTING TOOL, CREATING»(ref-505614-S05458982342012100100000)

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

Removing

Create an assisting tool. Refer to ASSISTING TOOL, CREATING .

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

Scheme 84

Carefully remove the seat height adjustment handle -1- from the front seat.

Guide assisting tool -2- into mount -4-.

Pull assisting tool -2- in direction of -arrow B- while pressing clip spring outward.

Pull seat height adjustment handle -1- in direction of -arrow A- away from lever.

Installation

Install in reverse order of removal. Note the following

Replace clip on seat height adjustment handle while noting clip installation location CLIP, INSTALLATION LOCATION .

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

Scheme 85

Bend 3.5 mm wide -2- screwdriver -1- to dimensions

1. A = 20 mm
2. B = maximum of 15 mm.

Scheme 86

Ensure springs -2- (quantity: 2) in clip -3- are positioned on outside of lever -1-.

SEAT FORWARD/BACK ADJUSTMENT HANDLE

Removing

Note. The seat fore and aft adjustment handle cannot be removed without destroying it.

Move the front seat all the way forward.

Remove the seat forward/back adjustment handle -1- from its mount -2- using a rubber or plastic mallet.

Scheme 87

Note. The unit is shown rotated 180°.

Installation

Push the seat forward/back adjustment handle back onto its mount.

Hit the seat forward/back adjustment handle all the way back on with a rubber hammer.

Note. Be careful not to damage the handle when hitting it with the rubber hammer.

FRONT SEAT, REMOVING A FAULTY SEAT FORWARD/BACK ADJUSTMENT MOTOR V288

Note. The seat pan is shown without upholstery and backrest in illustration to provide a better overview.

Removing

If possible, move seat as high up as possible.

Remove the bolt -3-.

Scheme 88

Disconnect threaded connection -4-.

Move the seat forward. Remove the steering wheel if necessary.

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

Perform the following tests

1. Check fuse, refer to the appropriate SYSTEM WIRING DIAGRAMS information.
2. Check voltage at connector station, perform Fault Finding if necessary, refer to the appropriate SYSTEM WIRING DIAGRAMS information.
3. Check voltage to control module, refer to the appropriate SYSTEM WIRING DIAGRAMS information.
4. Check the voltage to the seat forward/back adjustment motor -V288-. Refer to the appropriate SYSTEM WIRING DIAGRAMS information.

Replace the fuse if faulty, refer to the appropriate SYSTEM WIRING DIAGRAMS information.

If there is no voltage at the connector station, repair or replace the wire. Refer to the appropriate SYSTEM WIRING DIAGRAMS information.

Replace the seat pan lower frame if the seat forward/back adjustment motor -V288- is faulty. Refer to SEAT PAN, DISASSEMBLING AND ASSEMBLING .

Continue removing only if the seat forward/back adjustment motor -V288- is faulty

Disconnect battery ground cable. Refer to [For transmission(s) 02E] [For engine(s) CBRA, BPY, CETA, CCTA, CEPB, CDMA] Removal and Installation .

Remove transverse member bolts -2- (quantity: 4) on both sides.

Disconnect connector at Seat Fore/Aft Adjustment Motor -V288-.

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

Remove bolts -1- (quantity: 4).

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

Connect Airbag Adapter VAS 6281. Refer to AIRBAG ADAPTER, CONNECTING .

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

Attach the front seat to the fixture for seat repair VAS 6136. Refer to INSTALLING FRONT SEAT ON VAS 6136 .

Separate the lower frame -5- from the upper frame -6-. Refer to SEAT PAN, DISASSEMBLING AND ASSEMBLING .

Replace seat pan lower frame -4- with Seat Fore/Aft Adjustment Motor -V288- with the transverse member. Refer to SEAT PAN, DISASSEMBLING AND ASSEMBLING .

Installation

Install in reverse order of removal. Note the following

Remove the airbag adapter VAS 6281 only after installing the front seat. Refer to AIRBAG ADAPTER, CONNECTING .

Connect the connectors to the connector station in the floor panel. Refer to HARNESS CONNECTORS, DISCONNECTING AND CONNECTING .

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

Switch on ignition.

Connect battery ground cable with ignition switched on. Refer to [For transmission(s) 02E] [For engine(s) CBRA, BPY, CETA, CCTA, CEPB, CDMA] Removal and Installation .

If Airbag Malfunction Indicator Lamp (MIL) -K75- indicates a fault after installation, DTC memory must be checked, deleted and checked again .

Tightening specifications

1. Front Seat Assembly Overview, refer to «FRONT SEAT ASSEMBLY OVERVIEW»(ref-505614-S41153319932012100100000)
2. Seat pan, assembly overview, refer to «SEAT PAN ASSEMBLY OVERVIEW»(ref-505614-S40613158192012100100000)

SEAT ADJUSTMENT ACTUATOR

Special tools and workshop equipment required

1. Trim removal wedge 3409

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

Removing

Using Trim Removal Wedge 3409, pry actuator -1- from retainer for

Scheme 89

1. Driver Seat Fore/Aft Switch -E363- or -E64
2. Driver seat angle adjustment switch -E222- or -E334
3. Driver Seat Height Adjustment Switch -E364- or -E365

Installation

Install in reverse order of removal.

BACKREST ADJUSTMENT ACTUATOR

Special tools and workshop equipment required

1. Trim removal wedge 3409

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

Removing

Using Trim Removal Wedge 3409, pry actuator -1- out of catch on Driver Backrest Adjustment Switch -E96- or -E98-.

Scheme 90

Installation

Install in reverse order of removal.

SEAT FORWARD/BACK ADJUSTMENT MOTOR V288

Note. If the motor is faulty, the seat pan lower frame must be replaced. Seat is shown without upholstery and without backrest in picture for the sake of a better illustration.

Removing

Remove the seat. Refer to FRONT SEAT .

Attach the front seat to the fixture for seat repair VAS 6136. Refer to INSTALLING FRONT SEAT ON VAS 6136 .

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

Note. The seat angle adjustment motor and seat height adjustment motor must be installed in the new seat pan lower frame.

Remove the seat angle adjustment motor -V243- or -V244- -1-. Refer to DRIVER SEAT ANGLE ADJUSTMENT MOTOR V243/V244 .

Scheme 91

Remove the seat height adjustment motor -V245- or -V246- -3-. Refer to SEAT HEIGHT ADJUSTMENT MOTOR V245 AND V246 .

2 - Driver seat angle adjustment motor -V243- or front passenger seat angle adjustment motor -V244

4 -Lower seat pan frame

Installation

Install in reverse order of removal. Note the following

Install the seat height adjustment motor -V245- or -V246- -3- into the new lower frame -4-.

Install the seat angle adjustment motor -V243- or -V244- -1- into new lower frame -4-.

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

Switch on ignition.

Connect battery ground cable with ignition switched on. Refer to [For transmission(s) 02E] [For engine(s) CBRA, BPY, CETA, CCTA, CEPB, CDMA] Removal and Installation .

If Airbag Malfunction Indicator Lamp (MIL) -K75- indicates a fault after installation, DTC memory must be checked, deleted and checked again.

DRIVER'S BACKREST ADJUSTMENT MOTOR V45 OR V46

Removing

Remove the backrest. Refer to FRONT BACKREST .

Remove backrest cover panel. Refer to BACKREST COVER .

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

Remove side airbag. Refer to SIDE AIRBAG .

Remove four-way lumbar support. Refer to FOUR-WAY LUMBAR SUPPORT .

Disconnect electrical connectors.

Remove driver seat lumbar support curvature adjustment motor -V125- or front passenger seat lumbar support curvature adjustment motor -V126-. Refer to LUMBAR SUPPORT CURVATURE ADJUSTMENT MOTORS V125 AND V126 .

Remove Driver Seat Lumbar Support Height Adjustment Motor -V129- or Front passenger Seat Lumbar Support Height Adjustment Motor -V130-. Refer to LUMBAR SUPPORT HEIGHT ADJUSTMENT MOTORS V129 AND V130 .

Remove driver backrest stop switch -E69- or front passenger backrest stop switch -E70-. Refer to FRONT SEAT BACKREST STOP SWITCHES E69 AND E70 .

Remove headrest guides. Refer to HEADREST GUIDE .

Installation

Install in reverse order of removal. Note the following

Install removed assembly parts in new backrest frame. Refer to Caution under DRIVER'S BACKREST ADJUSTMENT MOTOR V45 OR V46

Make sure the headrest guides engage correctly in backrest frame.

Switch on ignition.

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

Connect battery ground cable with ignition switched on. Refer to [For transmission(s) 02E] [For engine(s) CBRA, BPY, CETA, CCTA, CEPB, CDMA] Removal and Installation .

If Airbag Malfunction Indicator Lamp (MIL) -K75- indicates a fault after installation, DTC memory must be checked, deleted and checked again.

LUMBAR SUPPORT CURVATURE ADJUSTMENT MOTORS V125 AND V126

Special tools and workshop equipment required

1. Special pop rivet pliers V.A.G 1753A

Removing

Remove backrest cover panel. Refer to BACKREST COVER .

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

Remove side airbag. Refer to SIDE AIRBAG .

Disconnect the connector -3-.

Scheme 92

Disengage release -3- on retaining plate -2-.

Open cable tie -1-.

Disengage the release cable -3- from the bracket -4-.

Drill out rivets -4- (quantity: 2).

1 -Backrest frame

Remove driver seat lumbar support curvature adjustment motor -V125- -2- or front passenger seat lumbar support curvature adjustment motor -V126- with release cable.

Installation

Install in reverse order of removal. Note the following

Rivet driver seat lumbar support curvature adjustment motor -V125- -2- or front passenger seat lumbar support curvature adjustment motor -V126- with backrest frame -1- using Special Pop Rivet Pliers V.A.G 1753A.

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

Switch on ignition.

Connect battery ground cable with ignition switched on. Refer to [For transmission(s) 02E] [For engine(s) CBRA, BPY, CETA, CCTA, CEPB, CDMA] Removal and Installation .

If Airbag Malfunction Indicator Lamp (MIL) -K75- indicates a fault after installation, DTC memory must be checked, deleted and checked again.

LUMBAR SUPPORT HEIGHT ADJUSTMENT MOTORS V129 AND V130

Special tools and workshop equipment required

1. Special pop rivet pliers V.A.G 1753A

Removing

Remove backrest cover panel. Refer to BACKREST COVER .

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

Disconnect the connector -3-.

Scheme 93

Disengage release -2- from clip -1-.

Disengage release -2- from four-way lumbar support -3-.

Drill out rivets -4- (quantity: 2).

2 - Backrest frame

Remove Driver Seat Lumbar Support Height Adjustment Motor -V129- -1- or Front passenger Seat Lumbar Support Height Adjustment Motor -V130- with release cable.

Installation

Install in reverse order of removal. Note the following

Rivet Driver Seat Lumbar Support Height Adjustment Motor -V129- -1- or Front passenger Seat Lumbar Support Height Adjustment Motor -V130- with backrest frame -1- using Special Pop Rivet Pliers V.A.G 1753A.

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

Switch on ignition.

Connect battery ground cable with ignition switched on. Refer to [For transmission(s) 02E] [For engine(s) CBRA, BPY, CETA, CCTA, CEPB, CDMA] Removal and Installation .

If Airbag Malfunction Indicator Lamp (MIL) -K75- indicates a fault after installation, DTC memory must be checked, deleted and checked again.

SEAT HEIGHT ADJUSTMENT MOTOR V245 AND V246

Removing

Remove the seat. Refer to FRONT SEAT .

Attach the front seat to the fixture for seat repair VAS 6136. Refer to INSTALLING FRONT SEAT ON VAS 6136 .

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

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

Remove front backrest. Refer to FRONT BACKREST .

Disconnect electrical connector -4- on Driver Seat Height Adjustment Motor -V245- -2- or Front Passenger's Seat Height Adjustment Motor -V246-.

Scheme 94

Disconnect seat pan upper frame -1- from lower frame -3-. Refer to SEAT PAN, DISASSEMBLING AND ASSEMBLING .

Remove seat pan upper frame with cover and upholstery from lower frame.

Remove the bolts -2-.

Scheme 95

Remove the driver seat height adjustment motor -V245- -1- or front passenger seat height adjustment motor -V246- toward center of seat -3-.

Installation

Install in reverse order of removal. Note the following

Make sure the clip -A- and plastic toothed segment collar -2- as well as locking pins -B arrows- are inserted correctly in holes on fitting -1-.

Scheme 96

Make sure the plastic toothed segment -2- is clipped to fitting -1- correctly.

Plastic toothed segment collar -arrow C- must contact fitting -1- evenly.

Make sure the locking pins -A arrows- are inserted correctly in holes -B arrows- on link plate -1-.

Scheme 97

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

Switch on ignition.

Connect battery ground cable with ignition switched on. Refer to [For transmission(s) 02E] [For engine(s) CBRA, BPY, CETA, CCTA, CEPB, CDMA] Removal and Installation .

If Airbag Malfunction Indicator Lamp (MIL) -K75- indicates a fault after installation, DTC memory must be checked, deleted and checked again.

LUMBAR SUPPORT ADJUSTMENT SWITCHES E176 AND E177

Removing

Scheme 98

Remove sill side trim -1-. Refer to SILL SIDE TRIM .

Disconnect the connector -4-.

Remove bolts -2- (quantity: 2).

Remove driver seal lumbar support adjustment switch -E176- -3- or front passenger seat lumbar support adjustment switch -E177- from sill side trim -1-.

Installation

Install in reverse order of removal. Note the following

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

SEAT FORWARD/BACK, ANGLE, HEIGHT AND BACKREST ADJUSTMENT SWITCHES V288/V243/V244/V245/V246/V45/V46

Removing

Remove sill side trim -3-. Refer to SILL SIDE TRIM .

Scheme 99

Disconnect connectors -6- and -7-.

Remove seat and backrest adjustment actuators -4- and -5-. Refer to SEAT AND BACKREST ADJUSTMENT ACTUATOR ASSEMBLY OVERVIEW .

Remove bolts -1- (quantity: 3).

Remove seat fore and aft, inclination, height and backrest adjustment switch -2-.

Installation

Install in reverse order of removal. Note the following

Route wires as close to couplings -6- and -7- as possible.

Special tools and workshop equipment required

Scheme 100

1. Torque wrench V.A.G 1332

Note. The bucket seat does not have a side airbag. The side airbag electrical connector must have a terminal resistance in the vehicle wiring harness. The terminal resistance is a separate connector housing. Refer to CONNECTORS, DISCONNECTING .

Scheme 101

1. Front seat Removing -- Push front seat -1- fully upward and to the rear. -- Remove front bolts -3- (quantity: 2). -- Move seat forward. -- Remove rear bolts -4- (quantity: 2). -- Tip front seat -1- back. -- Disconnect electrical harness connectors. Refer to «CONNECTORS, DISCONNECTING»(ref-505614-S34830704282012100100000) . -- Remove seat. Installation Install in reverse order of removal.
2. Seat rail covers Removing and Installing, refer to «SEAT RAIL COVERS»(ref-505614-S38009513092012100100000)
3. Front bolts Quantity: 2 Tightening specification 50 Nm
4. Rear bolts Quantity: 2 Tightening specification 50 Nm
5. Seat Forward/Back Adjustment Stop Quantity: 2 Clipped Removing and Installing, refer to «SEAT FORWARD/BACK ADJUSTMENT STOP»(ref-505614-S04093047482012100100000)

Removing and installing, refer to SEAT FORWARD/BACK ADJUSTMENT STOP

BACKREST ADJUSTMENT HAND WHEEL

Removing

Scheme 102

Press side panel -2- lightly in direction of backrest.

Slightly lift and disengage retaining detent -1- using a screwdriver.

Turn backrest adjustment hand wheel -3- and disengage another retaining detent.

Remove hand wheel for backrest adjustment.

Installation

Install in reverse order of removal. Note the following

Hand wheel must be pressed on until it audibly engages.

Note. If the hand wheel for backrest adjustment sits loosely on the adjustment shaft, the hand wheel for backrest adjustment must be replaced.

Removing

Scheme 103

Pull seat height adjustment handle up and hold in this position.

Using a narrow screwdriver, press clips -1- inward -arrow A- and remove seat height adjustment handle -2- from lever -arrow B-.

Installation

Install in reverse order of removal. Note the following

Make sure the clip springs -2- (quantity: 2) -3- are positioned on outside of lever -1-.