Seats Frames Audi A6 C5

Front seats

Required special tools and equipment

1. VAS 5094 airbag adapter
2. Special tool 3399

Trim piece for front seat, removing and installing

Note. The following list refers to (Scheme 3).

1. Front trim cap Removing Pull front seat rail front-cover -1- off toward the front at retaining clips -2-. Pull front seat rail front-cover -1- in direction of -arrow A-. Remove front seat rail front-cover -1-. Installing Engage retaining tab -3- on front seat rail front-cover -1- in bar -5-. Press on front seat rail front-cover -1- so that retaining clips -2- engage on seat -4-.
2. Retaining clips (2x)
3. Retaining tab
4. Seat
5. Bar

Scheme 1

Front seat rail front-cover (power seat with memory), removing and installing

Note. The following list refers to (Scheme 4).

1. Front trim cap Removing Pull front seat rail front-cover -1- upward slightly so that retaining tabs -3- can be released from mount -4-. Pivot top of front seat rail front-cover -1- forward and release retaining tab -2- at the bottom. Installing Engage retaining tab -2- on front seat rail front-cover -1- at mount -5-. Guide retaining tabs -3- in front seat rail front-cover -1- onto mounts -4- and snap into position by knocking lightly.
2. Retaining tab
3. Retaining tabs (2x)
4. Mounts (2x)
5. Mount

Scheme 2

Front seat rail rear-cover (outboard side), removing and installing

Note. The following list refers to (Scheme 5).

1. Front seat rail rear cover (outboard side) Removing Insert a finger under outboard-side cover -1-, -arrow A-, and press retaining tab -2- in direction of -arrow B-. At the same time, firmly pull outboard-side cover -1- out toward the rear. Installing Install outboard-side cover -1- so that guide -3- goes under metal tab -6- and retaining tab -2- is above seat rail -5-. Press outboard-side cover -1- against carpet, and at the same time push it forward so that retaining tab -2- snaps into mount -4-.
2. Retaining tab
3. Guide
4. Mount
5. Seat rail
6. Metal tab

Front seat rail rear-cover (inboard side), removing and installing

Note. The following list refers to (Scheme 6).

1. Front seat rail rear-cover (inboard side) Removing Insert a finger under inboard-side cover -1-, -arrow A-, and press retaining tab -2- in direction of -arrow B-. Press inboard-side cover -1- downward and at the same time pull it out toward the rear. Installing Locate inboard-side cover -1-, press it against the carpet and at the same time push it forward so that retaining tabs -2- and -3- engage on mounts -6- and -7-.
2. Retaining tab
3. Retaining tab
4. Guide
5. Metal tab
6. Mount
7. Mount

Seat, removing and installing

Note. The removal and installation procedures may have to be modified slightly depending on variations in equipment. On vehicles with power seat with memory, run the seat all the way to the rear and to the top height setting before disconnecting battery. Obtain radio code before disconnecting battery.

See Caution before beginning repairs on electrical system . See FRONT SEATS .

Removing

1. Push seat forward.
2. Remove on front seat rail rear-cover (outboard side). See «FRONT SEAT RAIL REAR-COVER (OUTBOARD SIDE), REMOVING AND INSTALLING»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames__front-seat-rail-rear-cover-outboard-side) .
3. Remove front seat rail rear-cover (inboard side). See «FRONT SEAT RAIL REAR-COVER (INBOARD SIDE), REMOVING AND INSTALLING»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames__front-seat-rail-rear-cover-inboard-side) .
4. Push back seat.
5. Remove cover -1-. See «TRIM PIECE FOR FRONT SEAT, REMOVING AND INSTALLING»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames__trim-piece-for-front-seat-removing) .
6. Remove cover -1- (power seat with memory). See «FRONT SEAT RAIL FRONT-COVER (POWER SEAT WITH MEMORY), REMOVING AND INSTALLING»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames__front-seat-rail-front-cover-power-seat) .
7. Remove bolts -2- (2x) and unclip seat at clip -3-.
8. Connect VAS 5094 airbag adapter. See «VAS 5094 AIRBAG ADAPTER, CONNECTING»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames__vas-5094-airbag-adapter-connecting) .
9. On vehicles with heated seat, disconnect connector.
10. Fold back floor covering at rear around guide rail.
11. Push seat backward out of guide.

Note. The following list refers to (Scheme 7).

1. Cover
2. Bolts Tightening torque: 23 Nm (17 ft lb) Self-locking Always replace Threaded holes for bolts must always be cleaned (e.g. with a thread tap)
3. Clip
4. Rear rollers
5. Front slides Lubricate front slides -5- with multi-purpose grease if seat does not slide back and forward smoothly.

VAS 5094 airbag adapter, connecting

Note. The technician must electrostatically discharge him/herself before separating igniter and Ground (GND) wiring.

Vehicles through 1998

1. Disconnect igniter and Ground (GND) wire from side airbag. See «DISCONNECTING CONNECTOR FOR SIDE AIRBAG»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames__disconnecting-connector-for-side-airbag) .
2. Insert connector -2- (VAS 5094 airbag adapter) into connector housing -3-.
3. Connect igniter wire -6- from airbag module to connector -1- (airbag adapter).

Vehicles from 1999 on

1. Disconnect igniter and Ground (GND) wire from side airbag. See «DISCONNECTING CONNECTOR FOR SIDE AIRBAG (FROM M.Y. 1999)»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames__disconnecting-connector-for-side-airbag-from) .
2. Connect igniter wire from airbag module to connector -5- (airbag adapter).

All vehicles

Note. The following list refers to (Scheme 8).

1. Airbag adapter - igniter wire connector
2. Airbag adapter - Ground (GND) wire connector: m.y. 1998
3. Ground (GND) wire connector from airbag module
4. Airbag adapter - Ground (GND) wire connector (only for VW Golf from m.y. 1993 and up)
5. Airbag adapter - Ground (GND) wire connector: from m.y. 1999 and up
6. Igniter wire connector from airbag module

Disconnecting connector for side airbag

1. Using a screwdriver -4-, pry connector -1- for side airbag over retaining tab -2-, and pull off connector in direction of -arrow 3-.
2. If it is not possible to pry off the connector for the side airbag with a screwdriver, press retaining catch in side airbag connector to the side with one finger -5-.
3. At the same time, pull connector for side airbag toward the front with the other hand.
4. Using a screwdriver -1-, pry catch -2- over retaining tab -3- and disconnect connector -4-.

Disconnecting connector for side airbag (from m.y. 1999)

1. Press catch -2- and pull out connector in direction of arrow.

1. Airbag connector

Scheme 3

See Caution for connecting Telematics battery . See FRONT SEATS .

Note. Install in reverse order of removal.

1. After connecting battery, check vehicle equipment (radio, clock, power windows) as per Repair manual and/or Owner's manual.
2. If the airbag Malfunction Indicator Lamp (MIL) -K75- signals a malfunction after assembling, then the DTC memory must be erased and checked again with VAG 1551 scan tool.

Front seat backrest, removing and installing

Note. The following list refers to (Scheme 12).

1. Backrest Remove seat. See «SEAT, REMOVING AND INSTALLING»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames__seat-removing-and-installing) . Remove drawer. See «DRAWER, DISASSEMBLING»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames__drawer-disassembling) . Remove bolts -3- (2x). Remove bolt -11- (1x). Remove bolts -6- (2x). Detach connector for seat adjustment switch -14-. Remove clip on inside of seat side panel (tunnel side) -8-. If necessary, unbolt seat belt buckle. Push panel on outer side of seat -4- and panel on tunnel side of seat -8- forward together. Pull off adjuster knob -5-. Disconnect connector for heated backrest -12-. Disconnect connectors from connector console. See «Disconnecting connectors from console»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames__disconnecting-connectors-from-console) . Detach cable for side airbag and rear footwell light between connector console and backrest (remove drawer frame if necessary). On vehicles with memory seat or electric seat, disconnect connectors for electric motors. Remove bolts -7- (4x) from seat pan -2-. A washer is installed on rear bolt on outboard side (side with adjuster knob). NOTE: Always replace bolts -7-. Re-cut threads before installing new bolts. After installing seat in vehicle, perform basic setting of backrest and seat See «DRIVER'S SEAT ADJUSTMENT WITH MEMORY CONTROL MODULE, ON BOARD DIAGNOSTIC (OBD)»(/audi/a6/c5-1997-2001/remont/door-locks-anti-theft-systems/#on-board-diagnostic-obd-central-locking-system-memory-seats-ultrasonic-interior-monitor) .
2. Seat pan
3. Bolts
4. Outer side panel of seat
5. Adjustment knob NOTE: Replace adjuster knob if it is too loose after assembling.
6. Bolts
7. Bolts Tightening torque: 20 Nm (15 ft lb)
8. Inner side panel of seat
9. Bracket
10. Expanding pin
11. Screw
12. Connector
13. Motor for seat height adjuster Removing. See «SEAT HEIGHT ADJUSTMENT MOTOR (POWER SEAT WITH MEMORY), REMOVING AND INSTALLING»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames__seat-height-adjustment-motor-power-seat) .
14. Seat adjustment switch

Disconnecting connectors from console

1. Red connector housing -1- for main power supply; "belt fastened" detector; belt buckle switch on driver's side only (in models for some countries); and "seat occupied" sensor (passenger side only)
2. Green connector housing -2- for heated seats
3. Brown connector housing -3- for seat memory (driver's side only) Using a screwdriver, pry out retainer hooks -4- for connector housings -1-, -2- and -3-. Push connector housings through toward the rear.
4. Airbag connector -5
5. Terminal -6- for "belt fastened" detector

Vehicles with "belt fastened" detector and "seat occupied" sensor.

Note. Due to the version of the control module, vehicles between VIN 4BWN 024500 and 4BWN 033300 may have seat occupied sensors and seat belt fastened switches installed which have no function. When replacing a seat belt buckle in a vehicle within the above mentioned VIN range, install a seat belt buckle that does not have seat belt fastened switch. When replacing a cushion that has a seat occupied sensor in a vehicle within the above mentioned VIN range, install a cushion that does not have seat occupied sensor.

1. Remove terminals for "belt fastened" detector and "seat occupied" sensor functions or belt buckle switch.
2. Release cable retainer -2- on red connector housing -1- in direction of arrow by prying it out at cut-out -3-. The illustration shows cable retainer -2- in released position.
3. Remove wires -4- (4x) from chambers 5 and 6 (for "belt fastened" detector) and chambers 1 and 2 (for "seat occupied" sensor - passenger side only) or for belt buckle switch (in some countries - driver's side only).
4. Unclip connector -1- for rear footwell lighting.
5. Disconnect connector -3- for heated seats.
6. Open cable tie -2-.

Scheme 4

Seatback adjustment wheel, removing

1. Turn seatback adjustment wheel -1- in direction of -arrow A- until a tab of the seatback adjustment wheel can be seen from behind (if necessary, use flashlight).
2. Insert special tool 3399 -2- and pry in direction of -arrow B-.
3. Turn seatback adjustment wheel an additional 120 °.
4. Insert special tool 3399 -2- and pry in direction of -arrow B-.
5. Remove seatback adjustment wheel.

Scheme 5

Front seatback, retrofitting from normal seat to sport seat

Note. Only the sport seatback is available as a replacement part. Exchange sport seatback for normal seat.

Note. The following list refers to (Scheme 17).

1. Seatback For normal seat, separate wire bracket -2- at separating points -3- from seatback -1-. Paint structure must be restored as necessary.
2. Wire bracket
3. Separating points

Scheme 6

Seat adjustment switch, removing and installing

1. Remove seat. See «SEAT, REMOVING AND INSTALLING»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames__seat-removing-and-installing) .
2. Remove outer side panel of seat. See «FRONT SEAT BACKREST, REMOVING AND INSTALLING»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames__front-seat-backrest-removing-and-installing) .
3. Remove screws -2- (2x). Tightening torque: 1.5 Nm (13 in. lb)
4. Remove seat adjustment switch -1-.

Scheme 7

Seat adjustment switch (power seat with memory), removing and installing

1. Remove seat. See «SEAT, REMOVING AND INSTALLING»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames__seat-removing-and-installing) .
2. Disconnect connectors -4- and -5-.
3. Remove outer side panel of seat. See «FRONT SEAT BACKREST, REMOVING AND INSTALLING»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames__front-seat-backrest-removing-and-installing) .
4. Remove screws -3- (2x). Tightening torque: 0.4 Nm (4 in. lb)
5. Remove seat adjustment switch -1-.

Scheme 8

4-way lumbar support switch, removing and installing

1. Remove seat. See «SEAT, REMOVING AND INSTALLING»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames__seat-removing-and-installing) .
2. Disconnect connectors -4- and -5-.
3. Remove outer side panel of seat. See «FRONT SEAT BACKREST, REMOVING AND INSTALLING»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames__front-seat-backrest-removing-and-installing) .
4. Remove screws -6- (2x). Tightening torque: 0.4 Nm (4 in. lb)
5. Remove 4-way lumbar support switch -2-.

Scheme 9

Control module for power seat with memory, removing and installing

Note. The control module for power seat memory is under the driver's seat.

1. Remove seat. See «SEAT, REMOVING AND INSTALLING»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames__seat-removing-and-installing) .
2. Remove inner side panel of seat. See «FRONT SEAT BACKREST, REMOVING AND INSTALLING»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames__front-seat-backrest-removing-and-installing) .
3. Disconnect connectors -4- and -5-.
4. Remove screw -2-. Tightening torque 1.5 Nm (13.5 in. lb)
5. Press clip -3- in direction of arrow using a screwdriver.
6. Remove control module for power seat memory -1-.

Scheme 10

Drawer, disassembling

1. Press in catch -5- on lid and remove drawer.
2. Unclip drawer lid -1- and lift off.
3. Use screwdriver to pry out drawer trim panel -3- at catches -4- (magnified view shows drawer trim panel from underneath).
4. Tray -2-.

Scheme 11

Drawer frame, removing

1. Remove seat. See «SEAT, REMOVING AND INSTALLING»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames__seat-removing-and-installing) .
2. Remove seat side panel. See «FRONT SEAT BACKREST, REMOVING AND INSTALLING»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames__front-seat-backrest-removing-and-installing) .
3. Remove bolts -1- (3x).

Scheme 12

Longitudinal seat adjustment mechanism, servicing

1. Remove seat. See «SEAT, REMOVING AND INSTALLING»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames__seat-removing-and-installing) .

Note. For clarity, seat is shown from underneath.

Note. The following list refers to (Scheme 24).

1. Springs Detach (3x).
2. Seat pan
3. Clamp
4. Rivets Drill out (2x).
5. Rear bushing
6. Front bushing
7. Longitudinal adjustment mechanism
8. Slider block To remove, drill out rivet. See «Cutting through rivet to remove slider block»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames__cutting-through-rivet-to-remove-slider) .
9. Front slides
10. Locking lever

Cutting through rivet to remove slider block

1. Operate release lever for longitudinal seat adjustment and push slider block to the rear.
2. Using a hack saw -3-, cut through sleeve -2- and rivet -1-.
3. Remove all metal particles from seat pan.
4. For repair purposes, install bolt, nut and new sleeve -2- in place of rivet -1-. Tightening torque 15 Nm (11 ft lb)

Longitudinal seat adjustment mechanism (power seat with memory), removing and installing

1. Remove seat. See «SEAT, REMOVING AND INSTALLING»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames__seat-removing-and-installing) .

Note. For greater clarity, the seat is shown from underneath.

1. Disconnect connector. See «Disconnecting connector»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames__disconnecting-connector) .
2. Remove bolts -4- (8x).
3. Pull out adjuster unit -3- in direction of arrow

Note. The following list refers to (Scheme 26).

1. Guide rail
2. Seat pan
3. Adjuster unit
4. Bolts (8x)

Scheme 13

Disconnecting connector

1. Cut open cable tie -3- (1x).
2. Disconnect connector -2-.

Adapters for electric motors, wiring

1. Wiring adapter -1- (2-pin) for electric motors without memory function
2. Wiring adapter -2- (4-pin) for electric motors with memory function

1. When installing a new motor (with direct connector connection) in vehicles with the old-type seat wiring harness and no wiring adapter, a wiring adapter should be ordered with the motor.

Scheme 14

Rear slides, removing

1. Remove nut -1-. Tightening torque: 17 Nm (13 ft lb)
2. The bevels on the guide rollers must face away from the seat.

Scheme 15

Seat height adjustment motor (power seat with memory), removing and installing

Note. Observe motor versions for seat height adjustment. See SEAT HEIGHT ADJUSTMENT MOTOR VERSIONS, OVERVIEW .

1. Before removing, run seat to highest position.
2. Remove seat. See «SEAT, REMOVING AND INSTALLING»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames__seat-removing-and-installing) .
3. Remove outer side panel of seat. See «FRONT SEAT BACKREST, REMOVING AND INSTALLING»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames__front-seat-backrest-removing-and-installing) .
4. Disengage spring -1- from hook -2-.
5. Disconnect connector -2-.
6. Remove screws -3- (3x). Tightening torque: 4 Nm (35 in. lb)
7. Motor -1- does not have a basic setting; the motor and seat can be in any position when removing and installing.
8. After installing motor, engage spring -1- over hook -2-.

1. A wiring adapter will be required; the type of adapter depends on the installation layout. See «ADAPTERS FOR ELECTRIC MOTORS, WIRING»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames__adapters-for-electric-motors-wiring) .

Removing

1. Before removing, run seat to highest position.
2. Removing seat. See «SEAT, REMOVING AND INSTALLING»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames__seat-removing-and-installing) .

Note. Observe motor versions for seat height adjustment. See SEAT HEIGHT ADJUSTMENT MOTOR VERSIONS, OVERVIEW . For greater clarity, the seat is shown from underneath.

1. Remove outer side panel of seat. See «FRONT SEAT BACKREST, REMOVING AND INSTALLING»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames__front-seat-backrest-removing-and-installing) .
2. Disengage spring -2- (inboard side) from retaining hook -3-.
3. Disengage spring -4- (outboard side) from retaining hook -5-.
4. Remove motor. See «REMOVING SEAT HEIGHT ADJUSTMENT MOTOR»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames__removing-seat-height-adjustment-motor) .

Installing

1. Install motor.
2. Springs -2- and -4- may have become disengaged from retaining hooks -6- and -7-.

Scheme 16

1. Engage springs -2- and -4-. NOTE: The following list refers to (Scheme 33). Seat pan Spring Retaining hooks Spring Retaining hooks Retaining hooks Retaining hooks

Removing seat height adjustment motor

1. Disconnect connector -2-.
2. Remove screws -3- (3x). Tightening torque: 4 Nm (35 in. lb)
3. Motor -1- does not have a basic setting; the motor and seat can be in any position when removing and installing.
4. A wiring adapter will be required; the type of adapter depends on the installation layout. See «ADAPTERS FOR ELECTRIC MOTORS, WIRING»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames__adapters-for-electric-motors-wiring) .

Seat height adjustment motor versions, overview

1. Install motor for seat height adjustment after checking seat frame. See «MOUNT FOR SEAT HEIGHT ADJUSTMENT MOTOR AT SEAT FRAME, CHECKING»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames__mount-for-seat-height-adjustment-motor) .

Note. The following list refers to (Scheme 35).

1. Old height adjustment motor Characteristic: Wire with connector -6- Gear -5- with 6.2 mm shaft (measurement -B-).
2. New height adjustment motor Characteristic: Integrated connector -3- Gear -4- with 9.8 mm shaft (measurement -A-).
3. Integrated connector
4. Gear
5. Gear
6. Connector

Scheme 17

Mount for seat height adjustment motor at seat frame, checking

Note. Shafts at mount -1- on seat frame are available in different diameters.

1. Diameter 6.2 mm old version.
2. Diameter 9.8 mm new version.

Scheme 18

1. Check diameter of shaft mount using an 8 mm drill bit -1- to check whether the old (6.2 mm) or new (9.8 mm) version is installed.
2. Install an old or new version of the motor as necessary.

Seat angle adjustment motor (power seat with memory), removing and installing

1. Remove seat. See «SEAT, REMOVING AND INSTALLING»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames__seat-removing-and-installing) .
2. Disconnect connector -2-.
3. Remove screws -3- (3x). Tightening torque: 4 Nm (35 in. lb)
4. Motor -1- does not have a basic setting; the motor and seat can be in any position when removing and installing.
5. A wiring adapter will be required; the type of adapter depends on the installation layout. See «ADAPTERS FOR ELECTRIC MOTORS, WIRING»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames__adapters-for-electric-motors-wiring) .

Scheme 19

Longitudinal seat adjustment motor (power seat with memory), removing and installing

1. Remove seat. See «SEAT, REMOVING AND INSTALLING»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames__seat-removing-and-installing) .
2. Cut through cable tie -3- (1x).
3. Detach trim cover -1- at gearing end.
4. Pull trim cover -1- out of guides -4- in direction of arrow.
5. Disconnect connector -2-.
6. Remove screws -3- (2x). Tightening torque: 4 Nm (35 in. lb)
7. Motor -1- does not have a basic setting and can be removed and installed in any motor position or seat position.
8. A wiring adapter will be required; the type of adapter depends on the installation layout. See «ADAPTERS FOR ELECTRIC MOTORS, WIRING»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames__adapters-for-electric-motors-wiring) .
9. Insert pins -4- on spacer sleeve -1- into mounts -5-.
10. Insert square spindle -6- of longitudinal seat adjustment motor into gearing, and at the same time guide locating lug -2- into stop -3-.
11. Install screws -7- (2x).

Scheme 20

1. Removing seat. See «SEAT, REMOVING AND INSTALLING»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames__seat-removing-and-installing) .
2. Remove outer side panel of seat. See «FRONT SEAT BACKREST, REMOVING AND INSTALLING»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames__front-seat-backrest-removing-and-installing) .
3. Remove backrest cover panel. See «FRONT SEAT BACKREST, REMOVING AND INSTALLING»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames__front-seat-backrest-removing-and-installing) .

Note. For greater clarity, the backrest is shown without the seat

1. Remove nut from backrest adjustment motor. See «DETACHING MOUNTS FOR BACKREST ADJUSTMENT MOTOR»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames__detaching-mounts-for-backrest-adjustment-motor) .
2. Using a screwdriver, pry off spring washer -5- on same side as motor (inset -B- in illustration)
3. Using a hammer and punch, knock shaft -4- through one side of backrest frame.
4. Pull shaft out of backrest frame -1- until backrest adjustment motor can be removed.

1. If a new backrest adjustment motor is being installed, align teeth in motor with splines on shaft. See «PREPARING BACKREST ADJUSTMENT MOTOR»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames__preparing-backrest-adjustment-motor) .
2. Push shaft -4- through backrest adjustment motor and through backrest frame -1-.
3. Place seat on its side.
4. Place a wooden block -2- under shaft -4- (inset -A- in illustration)
5. Using an 11 mm socket, knock spring washer -5- onto shaft -4- (inset -C- in illustration)
6. Install nut onto backrest adjustment motor and connect wiring.
7. A wiring adapter will be required; the type of adapter depends on the installation layout. See «ADAPTERS FOR ELECTRIC MOTORS, WIRING»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames__adapters-for-electric-motors-wiring) .
8. After installing seat in vehicle, perform basic setting of backrest and seat.

See DRIVER'S SEAT ADJUSTMENT WITH MEMORY CONTROL MODULE, ON BOARD DIAGNOSTIC (OBD) .

Note. The following list refers to see scheme 42.

1. Backrest
2. Wooden block
3. Socket (11 mm)
4. Shaft
5. Spring washer

Detaching mounts for backrest adjustment motor

1. Disconnect connector -5-.
2. Pull backrest cover -3- and damper felt -2- to one side.
3. A wiring adapter will be required; the type of adapter depends on the adjustment motor installed. See «ADAPTERS FOR ELECTRIC MOTORS, WIRING»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames__adapters-for-electric-motors-wiring) .
4. Remove nut -4-.

Preparing backrest adjustment motor

1. Using a screwdriver, turn asymmetric section of teeth -1- to align with shaft in backrest frame.

4-way lumbar support, removing and installing

Note. The following list refers to see scheme 45.

1. 4-way lumbar support Remove seat. See «SEAT, REMOVING AND INSTALLING»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames__seat-removing-and-installing) . Pry cover fastening strip out of backrest trim. Unclip backrest trim with clips. Pull backrest trim downward and out. Detach Bowden cable -6- for lumbar support adjuster -2- at retaining pin -9-. Detach Bowden cable -7- for lumbar-support height adjuster -3- at retaining pin -8- and guide roller -10-. Detach top left and right wire clips -11- at retaining clips -12-. Detach bottom left and right wire clips -13- at retaining clips -14-.
2. Lumbar support height adjustment motor Remove backrest trim. Disconnect connector. Remove screws -4- (2x). Detach Bowden cable at lumbar support. Unclip clip -16-.
3. Lumbar support adjustment motor Remove backrest trim. Fold back backrest cover around lumbar support adjustment motor -2-. Disconnect connector. Remove screws -5- (2x). Detach Bowden cable at lumbar support. Cut through cable tie -15-.
4. Screws (2x)
5. Screws (2x)
6. Bowden cable
7. Bowden cable
8. Retaining pin
9. Retaining pin
10. Guide roller
11. Wire clip
12. Retaining clip
13. Wire clip
14. Retaining clip
15. Cable tie
16. Clip

Head restraints with release button, removing and installing

1. To install (slide in) head restraint -1-, press release button -2- to first stage.
2. To remove head restraint -1-, press release button -2- fully.

Scheme 21

Inner seat-base trim, removing

1. Unclip trim upward in direction of arrow.

Scheme 22

Outer seat-base trim, removing

1. Unclip trim upward in direction of arrow.

Scheme 23

Recaro seat

Tools required

Special tools and equipment

1. VAS 5094 airbag adapter

Note. The removal and installation procedures may have to be modified slightly depending on optional equipment. On vehicles with power seat with memory, run the seat all the way to the rear and to the top height setting before disconnecting battery. Obtain radio code before disconnecting battery.

See Caution for disconnecting Telematics battery . See RECARO SEAT .

Removing

1. Push seat forward.
2. Remove rear cover on front seat rail (outer side). See «FRONT SEAT RAIL REAR-COVER (OUTBOARD SIDE), REMOVING AND INSTALLING»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames__front-seat-rail-rear-cover-outboard-side) .
3. Remove rear cover on front seat rail (inner side). See «FRONT SEAT RAIL REAR-COVER (INBOARD SIDE), REMOVING AND INSTALLING»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames__front-seat-rail-rear-cover-inboard-side) .
4. Push back seat.
5. Remove cap -1-. See «TRIM PIECE FOR FRONT SEAT, REMOVING AND INSTALLING»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames__trim-piece-for-front-seat-removing) .
6. Remove cap -1- (power seat with memory). See «FRONT SEAT RAIL FRONT-COVER (POWER SEAT WITH MEMORY), REMOVING AND INSTALLING»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames__front-seat-rail-front-cover-power-seat) .
7. Remove bolts -2- (2x) and unclip seat at clip -3-.
8. Connect VAS 5094 airbag adapter. See «VAS 5094 AIRBAG ADAPTER, CONNECTING»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames__vas-5094-airbag-adapter-connecting) .

Note. The following list refers to see scheme 50.

1. Cover
2. Bolts Tightening torque: 23 Nm (17 ft lb) Self-locking Always replace Threaded holes for bolts must always be cleaned (e.g. with a thread tap)
3. Clip
4. Rear rollers
5. Front slides Lubricate front slides -5- with multi-purpose grease if seat does not slide back and forward smoothly.

Note. The technician must electrostatically discharge him/herself before separating igniter and Ground (GND) wiring.

1. Disconnect igniter and Ground (GND) wire from side airbag: up to m.y. 1998. See «DISCONNECTING CONNECTOR FOR SIDE AIRBAG»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames) .
2. Disconnect igniter and Ground (GND) wire from side airbag: from m.y. 1999. See «DISCONNECTING CONNECTOR FOR SIDE AIRBAG FROM M.Y. 1999»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames__disconnecting-connector-for-side-airbag-from) .

1. Vehicles before m.y. 1999

1. Insert connector -2- (airbag-adapter VAS 5094) in connector housing -3-.
2. Connect igniter wire -6- from airbag unit with connector -1- (airbag-adapter).

1. Vehicles from m.y. 1999

1. Connect connector -5- to igniter wire -6
2. Leave connector -1- and -2- empty.

1. All vehicles

1. On vehicles with heated seat, disconnect connector.
2. Fold back floor covering at rear around guide rail.
3. Push seat backward out of guide.
4. Lift seat out of vehicle.

Note. The following list refers to see scheme 51.

1. Airbag adapter - igniter wire connector
2. Airbag adapter - Ground (GND) wire connector: m.y. 1998
3. Ground (GND) wire connector from airbag module
4. Airbag adapter - Ground (GND) wire connector (VW Golf only from m.y. 1991 and up)
5. Airbag adapter - Ground (GND) wire connector: from m.y. 1999 and up
6. Igniter wire connector from airbag module

1. Using a screwdriver -4-, pry catch -1- for side airbag over retaining tab -2-, and pull off catch in direction of -arrow 3-.
2. If it is not possible to pry off the catch for the side airbag with a screwdriver, press retaining catch in side airbag connector to the side with one finger -5-.
3. At the same time, pull connector for side airbag toward the front with the other hand.
4. Using a screwdriver -1-, pry catch -2- over retaining tab -3- and disconnect connector -4-.

Disconnecting connector for side airbag from m.y. 1999

1. Press release -A- and pull out connector in direction of arrow.

See Caution for connecting Telematics battery . See RECARO SEAT .

Note. Install in reverse order of removal.

1. After connecting battery, check vehicle equipment (radio, clock, power windows) as per Repair manual and/or Owner's manual.
2. If the airbag Malfunction Indicator Lamp (MIL) -K75- signals a malfunction after assembling then the DTC memory must be erased and checked again with VAG 1551 scan tool.

Backrest, removing and installing

Note. Seat is shown without upholstery and from the door sill side in illustration.

Note. The following list refers to see scheme 55.

1. Backrest frame Removing Remove seat. See «SEAT, REMOVING AND INSTALLING»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames) . Remove seat side trim. See «SEAT SIDE TRIM, REMOVING AND INSTALLING»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames__seat-side-trim-removing-and-installing) . Remove seat bottom. See «SEAT CUSHION, REMOVING AND INSTALLING»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames__seat-cushion-removing-and-installing) . Disconnect cable for backrest heater. Disconnect purple-yellow side airbag cable. See appropriate Air Bag article in Restraints. Remove bolts -2- (2x). Remove bolts -5- (4x). Use a screwdriver -3- to pry out backrest frame -1- at mount points. Installing NOTE: Always replace bolts -2- and -5-. Install bushing -7- on both sides of rear securing points of backrest so that collar faces toward inside. Slide backrest frame -1- into seat frame -4- from rear. Install bolts -2- and -5- but do not tighten. Tighten bolts -2- and -5-.
2. Bolts (2x) Tightening torque: 23 Nm (17 ft lb)
3. Screwdriver
4. Seat frame
5. Bolts (4x) Tightening torque 23 Nm (17 ft lb) Door sill side longer than tunnel side.
6. Bracket Only on door sill side.
7. Bushings (2x)

Backrest shell, removing and installing

Note. The following list refers to see scheme 56.

1. Backrest
2. Bolts (4x)
3. Backrest shell Removing Move seat fully up. Remove seat. See «SEAT, REMOVING AND INSTALLING»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames) . Remove mounting trim pieces. See «BACKREST HINGE TRIM, REMOVING AND INSTALLING»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames__backrest-hinge-trim-removing-and-installing) . Remove side airbag unit. See appropriate Air Bag article in Restraints. Remove backrest upholstery. Remove spring cover. See «SPRING COVER, REMOVING AND INSTALLING»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames__spring-cover-removing-and-installing) . Unbolt bolts -2- (4x) at sides of backrest shell -3-. Place seat so that backrest shell -3- is accessible from below. Push both clips -4- on bottom of backrest shell -3- slightly toward each other. Detach backrest shell from seat -3- from below. Remove backrest shell -3- upward. Installing Attach backrest shell -3- at upper part of backrest -1-. Push backrest shell -3- down until clips -4- engage. Tighten bolts -2- (4x).
4. Clips (2x)

Seat cushion, removing and installing

Note. The following list refers to see scheme 57.

1. Seat cushion Removing Move seat fully up. Remove seat. See «SEAT, REMOVING AND INSTALLING»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames) . Remove seat cushion extension, front cover panel and guide sleeves. See «SEAT CUSHION EXTENSION, REMOVING AND INSTALLING»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames__seat-cushion-extension-removing-and-installing) . Remove mounting trim pieces. See «BACKREST HINGE TRIM, REMOVING AND INSTALLING»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames__backrest-hinge-trim-removing-and-installing) . Remove spring cover. See «SPRING COVER, REMOVING AND INSTALLING»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames__spring-cover-removing-and-installing) . Detach electrical cover -2- under seat. If installed, disconnect seat cushion wiring (seat heater, seat-occupied sensor). Push up front of seat cushion -1-. Remove seat cushion -1- forward and out. NOTE: Both seat springs and their related rubber buffers located in the rear between seat cushion and backrest fall out by themselves. Installing Make sure that rubber buffers -3- are correctly located in the mounts on the backrest. Install springs -4- in seat cushion. Insert electrical cover -2- between backrest and seat frame. Install seat cushion -1- so that springs -4- sit on rubber buffers -3- at backrest. Push seat cushion -1- toward rear. Push down on front of seat cushion -1-. If necessary, attach wiring in seat cushion. Install electrical cover beneath seat.
2. Electrical cover
3. Rubber buffers (2x)
4. Springs (2x)

Seat cushion extension, removing and installing

Note. The following list refers to see scheme 58.

1. Seat cushion extension Removing Move seat fully up. Remove seat. See «SEAT, REMOVING AND INSTALLING»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames) . Using pliers or a screwdriver push both springs -2- inward -arrow-. Remove seat surface extension -1-. If necessary, disconnect seat heater wiring on both sides. Pull front cover -3- up and pull cable through.
2. Springs (2x)
3. Front cover Removing If necessary (e.g. when removing seat cushion), remove cover completely). Installing Insert seat heater harness connectors through holes on both sides of cover -3- and connect connectors. Attach cover.
4. Guide sleeves (2x) Always replace Removing If necessary (e.g. when removing seat cushion), push guide sleeves -4- together with groove-lock pliers and pull guide sleeves out. Installing Install in reverse order of removal NOTE: Always replace the two guide sleeves when installing.

Seat side trim, removing and installing

Note. The following list refers to see scheme 59.

1. Backrest
2. Seat side trim, tunnel side NOTE: It is not necessary to disconnect any wiring when removing seat side trim on tunnel side. Rest of removal is similar to removal of seat side trim on door sill side.
3. Bracket for seat side trim, tunnel side
4. Seat frame
5. Bolts (4x per trim piece)
6. Bracket for seat side trim, door sill side
7. Seat side trim, door sill side Removing Move seat fully down. Remove seat. See «SEAT, REMOVING AND INSTALLING»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames) . Remove mounting trim. See «BACKREST HINGE TRIM, REMOVING AND INSTALLING»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames__backrest-hinge-trim-removing-and-installing) . Remove seat bottom. See «SEAT CUSHION, REMOVING AND INSTALLING»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames__seat-cushion-removing-and-installing) . Rotate belt buckle downward. Disconnect all connectors that run from circuit board to seat side trim on door sill side. Cut all cable ties on wiring harness using wire cutters. Unbolt bolts -5- (4x) on seat side trim. Installing Attach trim on lower mount of backrest frame. Secure seat side trim with bolts -4- (4x).

Seat side trim bracket, removing and installing

1. Move seat to upper-most position.
2. Remove seat. See «SEAT, REMOVING AND INSTALLING»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames) .
3. Remove seat side trim. See «SEAT SIDE TRIM, REMOVING AND INSTALLING»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames__seat-side-trim-removing-and-installing) .
4. Drill through both rivets -2- at front of seat side trim bracket -1- and remove bracket.

Scheme 24

Backrest hinge trim, removing and installing

Note. The following list refers to see scheme 61.

1. Mounting trim Removing Remove seat. See «SEAT, REMOVING AND INSTALLING»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames) . Remove mounting trim -1- downward, so that pins -4- and tabs -5- are pulled out of catches -6- and -7-. Pull out mounting trim -1-. Installing On same side of side airbag module, insert insertion edge -2- under side airbag module in direction of arrow. Press mounting trim -1- on in a straight line, so that pins -4- and tabs -5- engage in catches -6- and -7-.
2. Insertion edge Only on same side of side airbag module.
3. Backrest
4. Pin
5. Clip
6. Pin catch
7. Tab catches

Spring cover, removing and installing

Note. The following list refers to see scheme 62.

1. Backrest
2. Spring cover Removing Move seat fully up. Unbolt two bolts -3- on left and right of spring cover -2-. Pull off spring cover -2- from right side of seat. Then pull spring cover toward right so that clip -4- releases from left of spring cover. Remove spring cover -2- from seat. Installing Install left side of spring cover -1- with clip -4-. Push spring cover -2- onto right side until it engages. Tighten both bolts -3-.
3. Bolts (2x)
4. Clip

2-way lumbar support, removing and installing

Note. The following list refers to see scheme 63.

1. Backrest frame
2. 2-way lumbar support Remove seat. See «SEAT, REMOVING AND INSTALLING»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames) . Remove backrest upholstery. Disconnect connector of lumbar support motor -5-. Remove bolts -4- (2x).
3. Retaining hook
4. Bolts (2x)
5. Connector for lumbar support motor

Scheme 25

Lumbar support motor with gears, removing and installing

Note. The following list refers to see scheme 64.

1. Lumbar support body
2. Foam pieces (2x) If not available as a replacement part, detach foam pieces from old motor and attach to new motor.
3. Motor with gears and Bowden cable Remove seat. See «SEAT, REMOVING AND INSTALLING»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames) . Remove 2-way lumbar support. See «2-WAY LUMBAR SUPPORT, REMOVING AND INSTALLING»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames__2-way-lumbar-support-removing-and-installing) . Cut cable ties -5- (2x). Press lumbar support body together. Pull Bowden cable -6- in direction of -arrow A-. Detach Bowden cable -6- at pulley. Pull retaining pin -7- in direction of -arrow B- out of bracket. Remove bolts -4- (2x).
4. Bolts (2x)
5. Cable ties
6. Bowden cable
7. Retaining pins

Backrest motor with gears, removing and installing

Note. Illustration only shows backrest.

Note. The following list refers to see scheme 65.

1. Backrest frame
2. Backrest motor with transmission Removing Move seat fully up. Remove seat. See «SEAT, REMOVING AND INSTALLING»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames) . Remove mounting trim pieces. See «BACKREST HINGE TRIM, REMOVING AND INSTALLING»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames__backrest-hinge-trim-removing-and-installing) . Remove backrest upholstery. Using a screwdriver, pry off locking washer -4- on backrest motor side, inset -B-. Pull shaft out of backrest frame -1- far enough so that backrest motor -2- can be removed. Cut all cable ties on backrest motor using a wire cutters. Disconnect harness connector -8-. Unbolt mounting screw of backrest motor -5- from welded threaded sleeve -6-. Remove backrest motor -2-. Installing Push shaft -3- through backrest motor -2- and backrest frame -1-. Secure backrest motor -2- between two plastic washers -7- at threaded sleeve -6- using mounting bolt -5-. Tap locking washer -4- onto shaft -3-.
3. Shaft
4. Locking washer
5. Mounting screw
6. Threaded sleeve
7. Plastic washers (2x)
8. Harness connector

Motor for seat height adjustment, removing and installing

Note. The following list refers to see scheme 66.

1. Seat frame
2. Motor for seat height adjustment Removing Move seat fully up. Remove seat. See «SEAT, REMOVING AND INSTALLING»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames) . Remove seat bottom. See «SEAT CUSHION, REMOVING AND INSTALLING»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames__seat-cushion-removing-and-installing) . Disconnect harness connector -3-. Disconnect connector housing -3- from seat frame. Using a screwdriver lift locking washer -5- from shaft -6-. Remove motor -2-. Installing NOTE: Make sure that bushings -4- are correctly seated in seat frame.
3. Harness connector for motor
4. Bushings (2x)
5. Locking washer
6. Shaft

Headrest, removing and installing

1. Press down on guide sleeves -2- from above.
2. Press down slightly on headrest -1- to release catch.
3. Pull headrest -1- up and off of backrest -3-.

Scheme 26

Headrest guide, removing and installing

Note. The following list refers to see scheme 68.

1. Headrest
2. Headrest guide Removing Remove headrest -1-. See «HEADREST, REMOVING AND INSTALLING»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames__headrest-removing-and-installing) . Remove upholstery from backrest frame -3-. Press catches -5- of headrest guide -2- together and pull headrest guide -2- up and off. Installing CAUTION: The locking pins of both headrest guides must be seated on the inside so that the height adjustment tabs of the head rest engage properly. Install headrest guides -2- so that locking pins -4- of headrest guides are both on the inside.
3. Backrest frame
4. Locking pins
5. Locking lugs

Console, removing and installing

Note. Illustration shows a right seat.

Note. The following list refers to see scheme 69.

1. Console Removing Remove seat. See «SEAT, REMOVING AND INSTALLING»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames) . Place seat so that underside of seat cushion is easily accessible Disconnect cable ties that are attached to console. Remove coupling holder for harness connector (two bolts). Unbolt the two relays. Unbolt bolts -3- (4x) on console -1-. Remove console -1- from seat -2-. Installing NOTE: Replace bolts -3-. Place the new console -1- on the seat -2-. Tighten bolts -3- (4x). Tightening torque: 23 Nm (17 ft lb)
2. Seat
3. Bolts (4x) Tightening torque: 23 Nm (17 ft lb)

Connector station view

Note. In the illustration the view is shown from below, in the magnified area the view is shown from the front.

The right seat is depicted in the illustration, the left seat is a mirror image.

Note. The following list refers to see scheme 70.

1. Red, 6-pin harness connector Socket 1; electric. belt buckle; black. Socket 2; electric. belt buckle; black. Socket 3; voltage supply (+); red. Socket 4; voltage supply (-); brown.
2. Harness connector to length adjustment motor
3. Green, 6-pin harness connector Socket 1; NTC (-); brown/white. Socket 2; NTC (+); black/white. Socket 3; heater (-); brown. Socket 4; heater (+); black/yellow.
4. Yellow, 4-pin harness connector, side airbag Socket 1; ignition circuit (+); black. Socket 2; ignition circuit (-); blue. Socket 3; side airbag Ground (GND); brown
5. Cable to length adjustment motor
6. Cable ties
7. Side airbag cable
8. Main wiring set

Cable routing at height adjustment motor from above

Note. For the sake of illustration, the seat is depicted with cushion removed in the illustrations.

The right seat is depicted in the illustration, the left seat is a mirror image.

Note. The following list refers to see scheme 71.

1. Harness connector for backrest motor and heater (seat/backrest)
2. Harness connector to lumbar support motor
3. Harness connector between seat- and backrest heater.
4. Cable to end switch-top
5. Cable to switch module
6. Motor for seat height adjustment
7. Harness connector for seat height adjustment motor
8. Cable for seat height adjustment motor
9. Cable ties
10. End switch-top On seat frame-outside

Cable to end switch-top

1. Cable ties
2. End switch-top On seat frame - outside

Cable routing at height adjustment motor from below

Note. The following list refers to see scheme 73.

1. Harness connector for backrest motor and heater (seat/backrest)
2. Harness connector to lumbar support motor
3. Harness connector between seat- and backrest heater.
4. Main wiring set
5. Cable to side airbag
6. Cable to backrest
7. Relay 1 and 2 for seat height adjustment
8. Cable ties

Cable routing, front right

Note. The following list refers to see scheme 74.

1. Main wiring set
2. Cable to belt buckle (if installed)
3. End switch-bottom On seat frame-inside
4. Cable ties
5. Harness connector for backrest motor and heater (seat/backrest)
6. Harness connector to lumbar support motor
7. Harness connector between seat- and backrest heater.

Scheme 27

Cable to end switch- bottom

Note. The following list refers to see scheme 75.

1. End switch- bottom On seat frame- inside
2. Marking for retaining clip
3. Retaining clip
4. Cable ties (2x) Make a loop around seat frame using a cable tie -4- and secure cable -5- using a second cable tie -4-.
5. Cable to end switch- bottom

Scheme 28

Belt buckle cable

Note. The following list refers to see scheme 76.

1. Belt buckle
2. Belt buckle cable
3. Retaining clips (2x)
4. Cable ties

Scheme 29

Seat heater harness connector to left seat bolster

Note. The following list refers to see scheme 77.

1. Seat heater harness connector to left seat bolster
2. Retaining clip
3. Cable to seat bolster
4. Seat bolster

Scheme 30

Seat heater harness connector to right seat bolster

Note. The following list refers to see scheme 78.

1. Seat heater harness connector to right seat bolster
2. Retaining clip
3. Cable to seat bolster
4. Seat bolster

Scheme 31

Seat heater- cable to seat surface extension

Note. Seat surface extension is depicted in a removed condition and from below.

1. Seat heater cable- cable to seat surface extension

Scheme 32

Recaro backrest, cable routing

Note. For the sake of illustration, the backrest is depicted with cushion removed in the illustrations. View of backrest cable routing from below. View of magnified areas from front.

Note. The following list refers to see scheme 80.

1. Cable to backrest motor
2. Retaining clips (2x)
3. Edge protection (right side only)
4. Backrest motor
5. Cable ties
6. Lumbar support motor
7. Connector- lumbar support motor
8. Connector- seat heater

Scheme 33

Seat bench, removing and installing

Removing

1. Lift seat bench -arrow A- and pull forward -arrow B-.
2. Remove harness connector for side airbag from groove. See «HARNESS CONNECTOR, SIDE AIRBAG»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames__harness-connector-side-airbag) .
3. Disconnect harness connector for vehicles with heated seats.

Installing

1. Connect harness connector for vehicles with heated seats and side airbag.
2. Slide seat bench rearward -arrow A-.
3. Guide anchoring eyelets into plastic sleeves -arrow B-.

Be careful not to damage plastic sleeves during installation.

Harness connector, side airbag

1. Remove harness connector for side airbag from recess.

Seat bench with integrated child seat, removing and installing

Removing

Note. The following list refers to see scheme 84.

1. Seat bench with integrated child seat Pull integrated child seat upward, by disengaging. Remove footrest. See «FOOTREST FOR SEAT BENCH WITH INTEGRATED CHILD SEAT, REMOVING AND INSTALLING»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames__footrest-for-seat-bench-with-integrated) . Remove bolts -6- (4x). Pull seat bench -1- up and out of plastic sleeves -4-. Remove seat bench -1-.
2. Threaded inserts (4x)
3. Holes (4x)
4. Plastic sleeves
5. Bolt holes (4x)
6. Bolts (4x) Tightening torque: 12 Nm (9 ft lb)

Installing

Note. The following list refers to see scheme 85.

1. Seat bench with integrated child seat Slide rear edge of seat bench under mounting bracket -2-. Press seat bench -1- into plastic sleeves -3-. Pull integrated child seat upward, by disengaging. Install bolts. See «SEAT BENCH WITH INTEGRATED CHILD SEAT, REMOVING AND INSTALLING»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames__seat-bench-with-integrated-child-seat) , item -6-. Install footrest. See «FOOTREST FOR SEAT BENCH WITH INTEGRATED CHILD SEAT, REMOVING AND INSTALLING»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames__footrest-for-seat-bench-with-integrated) .
2. Mounting bracket
3. Plastic sleeves (4x)

Scheme 34

Integrated child seat, retrofitting

Note. Only vehicles as of VIN 4BWN 092 200 can be retrofitted.

Note. The following list refers to see scheme 86.

1. Seat bench with integrated child seat CAUTION: Mounting brackets must always be installed. Remove rear seat. See «REAR SEATS»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames) . For vehicles without mounting bracket, install mounting bracket. See «MOUNTING BRACKET FOR SEAT CUSHION, REMOVING AND INSTALLING»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames__mounting-bracket-for-seat-cushion-removing) . Enlarge cut-out in floor mat near the plastic sleeves -4- by approx. 90 mm toward outside. Install seat bench with integrated child seat -1-. Mark holes -3- through bolt holes -5-. Remove seat bench -1-. Drill holes -3- for threaded inserts -2- Dia. 9mm. Remove drill shavings. Restore paint structure. Install threaded inserts using VAG 1618A. Install seat bench with integrated child seat -1-. See «SEAT BENCH WITH INTEGRATED CHILD SEAT, REMOVING AND INSTALLING»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames__seat-bench-with-integrated-child-seat) .
2. Threaded insert (4x)
3. Holes (4x)
4. Plastic sleeves
5. Bolt holes (4x)
6. Bolts (4x) Tightening torque: 12 Nm (9 ft lb)

Footrest for seat bench with integrated child seat, removing and installing

1. Guide hooks -3- into mounts -5- and hooks -6- into mounts -8-.
2. Press footrest -2- downward in center while sliding footrest -2- rearward.
3. Engage footrest -2- at mounts -4-.

Scheme 35

Left (1/3) section of backrest, removing and installing

Removing

1. Fold both backrest sections forward.
2. Unclip trim -3- from rear in direction of arrow; if necessary, pry out from rear through hole.
3. Remove bolt -1- and take off clamp -2-. Bolt -1- tightening torque: 10 Nm (7 ft lb)
4. Lift backrest -1- out of center support bracket -2-, -arrow A- and pull off fitting -3-, -arrow B-.
5. Disconnect connectors for heated backrest.

Installing

Note. Re-install grommet -4- if it is pulled out of outer fitting when removing backrest.

Install in reverse order of removal.

Scheme 36

Right (2/3) section of backrest, removing and installing

Removing

1. Fold both backrest sections forward.
2. Unclip trim -3- from rear in direction of arrow; if necessary, pry out from rear through hole.
3. Remove bolt -1- and take off clamp -2-. Bolt -1- tightening torque: 10 Nm (7 ft lb)
4. Lift backrest -1- out of center support bracket -2-, -arrow A- and pull off fitting -3-, -arrow B-.
5. Disconnect connectors for heated backrest.

Installing

Note. Re-install grommet -4- if it is pulled out of outer fitting when removing backrest.

Install in reverse order of removal.

Side padding for rear seat, removing and installing

Note. The following list refers to see scheme 91.

1. Side padding Removing Remove rear seat bench. See «REAR SEATS»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames) . Remove bolt -1- (1x). Bolts -2- are only installed on vehicles with side airbag On vehicles with side airbags: disconnect connector. See «Disconnecting side airbag connector»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames__disconnecting-side-airbag-connector) . Loosen nut -3-. Remove striker pin -4- together with washer -5- and dished washer -6-. Pull side padding -1- out of bottom retainer -7-. Installing Press side padding -1- into bottom retainer -7-. Adjust striker pin -4- and tighten nut -3-.
2. Screw (1x) Tightening torque: 8 Nm (71 in. lb)
3. Nut Tightening torque: 50 Nm (37 ft lb)
4. Striker pin
5. Washer
6. Dished washer
7. Retainer

Disconnecting side airbag connector

1. Press in retainer tab -2- and pull out connector -1- in direction of arrow.

Retainer for side padding, removing and installing

1. Remove left or right section of backrest. See «LEFT (1/3) SECTION OF BACKREST, REMOVING AND INSTALLING»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames__left-13-section-of-backrest-removing) or «RIGHT (2/3) SECTION OF BACKREST, REMOVING AND INSTALLING»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames__right-23-section-of-backrest-removing) .
2. Remove side padding. See «SIDE PADDING FOR REAR SEAT, REMOVING AND INSTALLING»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames__side-padding-for-rear-seat-removing) .
3. Use a screwdriver to pry out retainer -3-.

Scheme 37

Center support bracket, removing and installing

1. Remove left and right sections of backrest. See «LEFT (1/3) SECTION OF BACKREST, REMOVING AND INSTALLING»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames__left-13-section-of-backrest-removing) and «RIGHT (2/3) SECTION OF BACKREST, REMOVING AND INSTALLING»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames__right-23-section-of-backrest-removing) .
2. Remove bolts -1- (4x) from center support bracket -2-. Tightening torque: 16 Nm (12 ft lb)

Outer backrest fitting, removing and installing

1. Remove left and right sections of backrest. See «LEFT (1/3) SECTION OF BACKREST, REMOVING AND INSTALLING»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames__left-13-section-of-backrest-removing) and «RIGHT (2/3) SECTION OF BACKREST, REMOVING AND INSTALLING»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames__right-23-section-of-backrest-removing) .
2. Remove bolts -1- (2x) from outer fitting -2-. Tightening torque: 16 Nm (12 ft lb)

Scheme 38

Head restraints, removing

Note. The following list refers to see scheme 96.

1. Rear backrest The outer rear head restraints are not identical to the front head restraints. Mark accordingly with adhesive tape if all head restraints are removed together.
2. Outer head restraint Press release button on left guide piece and pull out in direction of -arrow A-.
3. Center head restraint Press release buttons on both guide pieces and pull out in direction of -arrow B-.
4. Guide piece with release button for outer head restraint Always installed on left
5. Guide pieces with release buttons for center head restraint Release buttons on left and right guide pieces

Outer head restraints

1. To slide in head restraint -1-, push in knob -2- to first stage.
2. To remove head restraint -1-, push in knob -2- as far as it will go.

Center head restraint

1. To slide in head restraint -1-, push in knob -2- to first stage.
2. To remove head restraint -1-, push in knob -2- as far as it will go.

Scheme 39

Fixed backrest, removing and installing

Note. The following list refers to see scheme 99.

1. Fixed backrest Remove rear seat bench. See «Seat bench, removing and installing»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames__seat-bench-removing-and-installing) . Remove head restraints. See «Head restraints, removing»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames__head-restraints-removing) . On vehicles with ski bag, remove ski bag frame. Remove guides for outer head restraints. Remove guides for center head restraints. On vehicles with side airbags: disconnect connectors. See «Disconnecting side airbag harness connector»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames__disconnecting-side-airbag-harness-connector) . Remove screws -2- (2x). Push backrest -1- upward and detach at hooks -3- (4x). On vehicles with heated seats and side airbag, disconnect harness connectors.
2. Screws (2x) Tightening torque: 8 Nm (71 in. lb)
3. Hook (4x)

Disconnecting side airbag harness connector

1. Press in retainer tab -2- and pull out connector -1- in direction of arrow.

Mounting bracket for seat cushion, removing and installing

Note. The following list refers to see scheme 101.

1. Mounting bracket for seat cushion Remove rear seat bench. See «REAR SEATS»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames) . Remove screws -4- (2x).
2. Bolts (4x) Tightening torque: 30 Nm (22 ft lb) NOTE: Slide mounting tabs behind mounting bracket for seat cushion -1- when installing the solid backrest. When retrofitting mounting brackets for seat cushion, on some vehicles the mounting tabs must be flattened to approx. 3 mm using a vise. When installing, watch for freedom of movement of the lap belt with retractor, and if necessary, turn lap belt with retractor.

Children's bench (Avant), removing and installing

Note. The following list refers to see scheme 102.

1. Children's bench Removing Release children's bench -1- with locking levers -4- (2x), -arrow A-. Pull up both securing levers -5-, -arrow C-. Take children's bench -1- out of mounts -2-, -arrow B-. Installing Install head of locking mechanism -3- on children's bench -1- in mounts -2-, -arrow B-. Secure children's bench -1- with locking levers -4- (2x), -arrow A-.
2. Mounts (2x)
3. Head of locking mechanism
4. Locking lever
5. Securing lever

Children's bench base frame (Avant), removing and installing

Note. The following list refers to see scheme 103.

1. Base frame Removing Remove children's bench. See «CHILDREN'S BENCH (AVANT)»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames) . Detach seat belts for children's bench at attachment points on base frame (left and right). Using a screwdriver, pry out inserts for children's bench mounts. Remove luggage compartment floor covering. See «CARGO AREA FLOOR TRIM AND SUPPORTS (VEHICLES WITH CHILDREN'S BENCH), REMOVING AND INSTALLING»(/audi/a6/c5-1997-2001/remont/exteriorinterior-trim/#interior-trim__cargo-area-floor-trim-and-supports) . Remove support for luggage compartment floor covering. See «CARGO AREA FLOOR TRIM AND SUPPORTS (VEHICLES WITH CHILDREN'S BENCH), REMOVING AND INSTALLING»(/audi/a6/c5-1997-2001/remont/exteriorinterior-trim/#interior-trim__cargo-area-floor-trim-and-supports) . Remove bolts -2- (4x). Remove bolts -3- (2x). Remove base frame -1-. Installing Knock inserts for child seat bench mounts in as far as they will go. Install in reverse order of removal.
2. Screws (4x) Tightening torque: 8 Nm (71 in. lb)
3. Bolts (2x) Tightening torque: 60 Nm (44 ft lb)
4. Movable plate (2x)

Note. The following list refers to see scheme 104.

1. Backrest Removing Remove child seat bench. See «CHILDREN'S BENCH (AVANT)»(/audi/a6/c5-1997-2001/remont/seats/#seats-frames) . Remove caps -4- (3x). Remove bolt -6-. Remove right outer cover of folding backrest cover -3-. Unclip right inner cover of folding backrest cover -7-. Remove bolt -9-. Remove left cover of folding backrest cover -8-. Remove bolt -10-. Remove sleeve -11-. Remove bolt -12-. Remove washer -13-. Lift backrest -1- upward. Installing Installation is the reverse of removal. Place spring washer -5- onto bolt -12-. Place a pipe against spring washer and hit pipe with a hammer.
2. Seat bench
3. Cover for right folding backrest cover, outside
4. Caps
5. Spring washer
6. Bolt
7. Cover for right folding backrest cover, inside
8. Cover for left folding backrest cover
9. Bolt
10. Bolt Tightening torque: 20 Nm (15 ft lb) Secured with D00600A2 locking compound.
11. Sleeve
12. Bolt Tightening torque: 20 Nm (15 ft lb) Secured with D00600A2 locking compound.
13. Washer

Headrests, removing and installing

Note. The following list refers to see scheme 105.

1. Backrest
2. Headrests Removing Press button at right guide piece -3-. Pull headrest upward and remove. Installing Installation is the reverse of removal.
3. Guide piece with button for headrest release

Note. The guide piece with button is always installed on the right.

Scheme 40

Stops, removing and installing

Note. The stops cannot be removed without being damaged.

Note. The following list refers to see scheme 106.

1. Stops Removing Drill open stops -1- (2x) in direction of arrow. Remove bolts -3- (2x). Remove stops -1- (2x). Installing Be sure to secure bolts -3- (2x) with D00600A2 locking compound when securing metal base sleeves -4- (2x) using bolts -3- (2x). Place springs -2- (2x) onto metal sleeves -4- (2x). Press on stops -1- (2x) until they engage audibly.
2. Springs (2x)
3. Bolts (2x) Tightening torque: 6 Nm (53 in. lb) Secured with D00600A2 locking compound.
4. Metal sleeves (2x)
5. Grip plate
6. Bolts (2x)

Grip plate, removing and installing

Note. The following list refers to see scheme 107.

1. Stops (2x)
2. Springs (2x)
3. Bolts (2x)
4. Metal sleeves (2x)
5. Grip plate Removing Remove bolts -6- (2x). Remove grip plate -5-. Installing Installation is the reverse of removal.
6. Bolts (2x)

Scheme 41

Locking mechanism, at right

Note. The following list refers to see scheme 108.

1. Locking mechanism Removing Remove mounting nut -2-. Warm bolts -3- (2x) using a hot air gun. Remove bolts -3- (2x) from both sides simultaneously. Disengage locking mechanism -1-. Installing When engaging locking mechanism -1-, be sure that end of spring -4- is engaged behind crossbar -5- and metal guide -6- is engaged in bracket -7-. Secure bolts -3- using D00600A2 locking compound. Rest of installation is the reverse of removal.
2. Mounting nuts
3. Bolts, glued Tightening torque: 20 Nm (15 ft lb) Secured with D00600A2 locking compound.
4. Spring
5. Crossbar
6. Metal guide
7. Bracket

Locking mechanism, at left

Note. The following list refers to see scheme 109.

1. Locking mechanism Removing Warm bolts -2- (2x) using a hot air gun. Remove bolts -2- (2x) from both sides simultaneously. Remove crossbar -3- toward front. Slide locking mechanism -1- downward to side of crossbar -3-. Installing Slide locking mechanism -1- onto crossbar -3- from side. When engaging crossbar -3-, be sure that guide -4- is engaged at end of spring -5- behind crossbar -6-. Secure bolts -2- using D00600A2 locking compound. Rest of installation is the reverse of removal.
2. Bolts, glued Tightening torque: 20 Nm (15 ft lb) Secured with D00600A2 locking compound.
3. Crossbar
4. Guide
5. Spring
6. Crossbar

See also:
• EMERGENCY BATTERY, SWITCHING OFF/ON
• DRIVER'S SEAT ADJUSTMENT WITH MEMORY CONTROL MODULE, ON BOARD DIAGNOSTIC (OBD)
• CARGO AREA FLOOR TRIM AND SUPPORTS (VEHICLES WITH CHILDREN'S BENCH), REMOVING AND INSTALLING
• FRONT SEATS
• FRONT SEAT RAIL REAR-COVER (OUTBOARD SIDE), REMOVING AND INSTALLING
• FRONT SEAT RAIL REAR-COVER (INBOARD SIDE), REMOVING AND INSTALLING
• TRIM PIECE FOR FRONT SEAT, REMOVING AND INSTALLING
• FRONT SEAT RAIL FRONT-COVER (POWER SEAT WITH MEMORY), REMOVING AND INSTALLING
• VAS 5094 AIRBAG ADAPTER, CONNECTING
• DISCONNECTING CONNECTOR FOR SIDE AIRBAG
• DISCONNECTING CONNECTOR FOR SIDE AIRBAG (FROM M.Y. 1999)
• SEAT, REMOVING AND INSTALLING
• DRAWER, DISASSEMBLING
• Disconnecting connectors from console
• SEAT HEIGHT ADJUSTMENT MOTOR (POWER SEAT WITH MEMORY), REMOVING AND INSTALLING
• FRONT SEAT BACKREST, REMOVING AND INSTALLING
• Cutting through rivet to remove slider block
• Disconnecting connector
• SEAT HEIGHT ADJUSTMENT MOTOR VERSIONS, OVERVIEW
• ADAPTERS FOR ELECTRIC MOTORS, WIRING
• REMOVING SEAT HEIGHT ADJUSTMENT MOTOR
• MOUNT FOR SEAT HEIGHT ADJUSTMENT MOTOR AT SEAT FRAME, CHECKING
• DETACHING MOUNTS FOR BACKREST ADJUSTMENT MOTOR
• PREPARING BACKREST ADJUSTMENT MOTOR
• RECARO SEAT
• DISCONNECTING CONNECTOR FOR SIDE AIRBAG
• SEAT SIDE TRIM, REMOVING AND INSTALLING
• SEAT CUSHION, REMOVING AND INSTALLING
• BACKREST HINGE TRIM, REMOVING AND INSTALLING
• SPRING COVER, REMOVING AND INSTALLING
• SEAT CUSHION EXTENSION, REMOVING AND INSTALLING
• 2-WAY LUMBAR SUPPORT, REMOVING AND INSTALLING
• HEADREST, REMOVING AND INSTALLING
• HARNESS CONNECTOR, SIDE AIRBAG
• FOOTREST FOR SEAT BENCH WITH INTEGRATED CHILD SEAT, REMOVING AND INSTALLING
• SEAT BENCH WITH INTEGRATED CHILD SEAT, REMOVING AND INSTALLING
• MOUNTING BRACKET FOR SEAT CUSHION, REMOVING AND INSTALLING
• Disconnecting side airbag connector
• LEFT (1/3) SECTION OF BACKREST, REMOVING AND INSTALLING
• RIGHT (2/3) SECTION OF BACKREST, REMOVING AND INSTALLING
• SIDE PADDING FOR REAR SEAT, REMOVING AND INSTALLING
• Seat bench, removing and installing
• Head restraints, removing
• Disconnecting side airbag harness connector