Seats Frames Audi A8 D3

Contact corrosion!

With the extensive use of aluminum construction, corrosion caused by contact between dissimilar metals may result if the wrong fastening components (screws, bolts, nuts, washers, rivets, plugs, grommets, adhesives, etc.) are installed.

For this reason, the manufacturer only installs fastening components that have a special surface coating, recognized by its greenish color, and only uses rubber parts, plastic parts and adhesives that are electrically non-conductive.

These parts, compatible for use with aluminum, are also available as replacement parts.

Use only Genuine Parts!

If there is any doubt about whether the old parts are suitable for re-use, always install new replacement parts.

All accessories must be approved by Audi of America, Inc.

Damage from contact corrosion caused by improper assembly with unsuitable parts is NOT covered under warranty!

Special tools and equipment

1. VAS5068
2. VAS1978

Removing

Scheme 1

1. Raise retaining straps for rear cover strip (long version) slightly -arrow 1- and remove cover strip from back (arrow -2-).
2. Remove bolts (arrows) (23 Nm/17 ft.lb.). NOTE: Move seat back and up to loosen front bolts. Move seat back and up to loosen rear bolts. With power seat adjustment malfunction, mechanically move seat forward and backward. See «MECHANICAL SEAT, MOVING FORWARD AND BACK»(/audi/a8/d3-2002-2005/remont/seats/#seats-frames__mechanical-seat-moving-forward-and-back) .
3. Disconnect connectors at seat.

Vehicles with side airbag

1. For vehicles with coded radio unit/radio-navigation system (RNS) note coding; ask if necessary.
2. Disconnect battery ground strap/cable and cover negative pole. CAUTION: On vehicles equipped with Audi Telematics by OnStar(R), switch-off the emergency (back-up) battery for the Telematic/Telephone Control Module prior to disconnecting the vehicle battery. See «EXAMPLE: SWITCH OFF EMERGENCY (BACK-UP) BATTERY»(ref-196291-S30692992912005100800000) . Switch-on the emergency (back-up) battery after reconnecting the vehicle battery. See «EXAMPLE: SWITCH ON EMERGENCY (BACK-UP) BATTERY»(/audi/a8/d3-2002-2005/remont/communication-devices/#on-board-diagnostic-obd-radio-navigation-steering-telematics__example-switch-on-emergency-back-up-battery) . NOTE: Before disconnecting ignition and ground wire installer must discharge himself from electrostatic; to do this, briefly touch striker for door or body.
3. Disconnect connectors at seat.
4. Place red airbag connector from seat to appropriate connector on VAS5068 adapter.
5. Connect any other connector of VAS5068 adapter to another connector on seat frame. Airbag wiring is shorted to Ground to prevent deployment caused by static, and the seat can be removed.

Continued for all vehicles

1. Remove bolts -1- (55 Nm/41 ft.lb.).
2. Guide seat belt -2- behind seat cover -3-. NOTE: Cover floor pad to protect from damage or dirt.
3. Remove seat from vehicle.

Installing

Installation is done in reverse sequence, noting the following

1. Switch ignition on. CAUTION: When connecting the battery, make sure no one is in the vehicle interior.
2. Connect battery.

Seat frame trim, removing and installing

1. Remove front seat. See «FRONT SEAT, REMOVING AND INSTALLING»(/audi/a8/d3-2002-2005/remont/seats/#seats-frames).
2. Remove bolts -1-, -2- and -4- (2 Nm/18 in.lb.). (Scheme 7)
3. Remove trim -3- toward front in direction of arrow.
4. Disconnect connectors.

Remove switch for seat adjustment

1. Remove screws -5- and/or -6- (2 Nm/18 in.lb.). (Scheme 7) CAUTION: Note on vehicles with side airbag the instruction for installing the seat. See «VEHICLES WITH SIDE AIRBAG»(/audi/a8/d3-2002-2005/remont/seats/#seats-frames).

Inner seat frame trim, removing and installing

Scheme 2

1. Remove front seat. See «FRONT SEAT, REMOVING AND INSTALLING»(/audi/a8/d3-2002-2005/remont/seats/#seats-frames).
2. Remove bolts -1- (2 Nm/18 in.lb.). (Scheme 8)
3. Remove trim -3-. CAUTION: For vehicles with side airbag note instructions when installing seats. See «VEHICLES WITH SIDE AIRBAG»(/audi/a8/d3-2002-2005/remont/seats/#seats-frames).

1. VAS1978

1. Remove front seat. See «FRONT SEAT, REMOVING AND INSTALLING»(/audi/a8/d3-2002-2005/remont/seats/#seats-frames).
2. Remove trim for seatframe, outer. See «SEAT FRAME TRIM, REMOVING AND INSTALLING»(/audi/a8/d3-2002-2005/remont/seats/#seats-frames__seat-frame-trim-removing-and-installing).
3. Remove trim for seatframe interior. See «INNER SEAT FRAME TRIM, REMOVING AND INSTALLING»(/audi/a8/d3-2002-2005/remont/seats/#seats-frames__inner-seat-frame-trim-removing-and).
4. Loosen seatback cover, lower from seatframe.
5. Remove screws -1- and - 6- (45 Nm/33 ft.lb.). (Scheme 10) Install compensating bushing -2- only on the left side. Spacer washer -4- is installed on the left and right side.
6. Loosen cable mounting and tie wrap at seat.
7. Remove electrical wiring -2- and -3- from connector -4-. see scheme 11
8. Disconnect electrical wire -1-.
9. Pull out connecting wire -5- with VAS1978 from connector housing -6-.
10. Remove wiring from seat frame.

Installation is done in reverse sequence, noting the following

1. VAS1978

1. Remove front seat. See «FRONT SEAT, REMOVING AND INSTALLING»(/audi/a8/d3-2002-2005/remont/seats/#seats-frames).
2. Remove outer trim for seatframe. See «FRAME TRIM (SPORT SEAT), REMOVING AND INSTALLING»(/audi/a8/d3-2002-2005/remont/seats/#seats-frames__frame-trim-sport-seat-removing-and).
3. Pull trim for seatback hinge -1- carefully in direction of arrow -A-. Simultaneously slide upward in direction of (arrow -B-) and remove. see scheme 13
4. Unclip trim -2-.
5. Remove electrical wiring -2- and -3- from connector -4-. see scheme 14
6. Disconnect electrical wire -1-.
7. Pull out connecting wire -5- with VAS1978 from connector housing -6-.
8. Remove wiring from seat frame.
9. Remove bolts -1- (left and right).
10. Remove rear seat bench.

Installation is done in reverse sequence, noting the following

Frame trim (sport seat), removing and installing

1. Remove two bolts -2- at underside of trim -1-.
2. Pull trim in direction of arrow -a- from retaining bolt.
3. Remove switch from trim.
4. Disconnect connectors. CAUTION: For vehicles with side airbag, note installation instructions. See «VEHICLES WITH SIDE AIRBAG»(/audi/a8/d3-2002-2005/remont/seats/#seats-frames) .

1. VAS1978

Scheme 3

1. Remove front seat. See «FRONT SEAT, REMOVING AND INSTALLING»(/audi/a8/d3-2002-2005/remont/seats/#seats-frames).
2. Electrical wiring -2- and -3- removed from connector -4-. see scheme 18
3. Disconnect connectors -1-.
4. Pull out connecting wire -5- with VAS1978 from connector housing -6-.
5. Remove wiring from seat frame.
6. Remove bolt -6-. see scheme 19
7. Tightening torque: 20 Nm (15 ft.lb.)
8. Slide guide rail slightly to back (arrow).
9. Unhook guide rail from below.

1. VAS1978

Scheme 4

1. Remove front seat. See «FRONT SEAT, REMOVING AND INSTALLING»(/audi/a8/d3-2002-2005/remont/seats/#seats-frames).
2. Electrical wiring -2- and -3- removed from connector -4-. see scheme 21
3. Disconnect connectors -1-.
4. Pull out connecting wire -5- with VAS1978 from connector housing -6-.
5. Remove wiring from seat frame.
6. Remove screws -1- and -2- left and right.
7. Remove console for control module. See «CONTROL MODULE FOR SEAT ADJUSTMENT WITH MEMORY, REMOVING AND INSTALLING»(/audi/a8/d3-2002-2005/remont/seats/#seats-frames__control-module-for-seat-adjustment-with).

Lateral support and mounting for headrest, removing and installing

Note. Release lateral support. Seatback frame is not removed from seatframe.

1. Remove front seat. See «FRONT SEAT, REMOVING AND INSTALLING»(/audi/a8/d3-2002-2005/remont/seats/#seats-frames) .
2. Remove upholstery for rear seatback.

Note. The following list refers to see scheme 23.

1. Mounting for headrest For vehicles with power adjustable headrest. Removing: Remove screw -11- and remove retaining bracket (seatback frame is shown from back in small illustration). Separate driveshaft from drive motor.
2. Driveshaft for height adjustment For lateral support.
3. Retaining ring for driveshaft Fastened with anti-squeak felt -4- to seatback frame using tie wrap
4. Anti-squeak felt Lateral support must be removed When installing, place tie wrap to original position
5. Linkage
6. Driveshaft Remove lock ring -10- and remove driveshaft
7. Lateral support Removing: Open all tie wraps for anti-squeak felt -4-. Remove lock ring -10- Unhook linkage -5-. Unhook lateral support from retaining bracket -8- and -9-. Separate driveshaft -2- from lateral support.
8. Retaining bracket 2 parts When installing, press retaining bracket on securely
9. Retaining bracket 2 parts When installing, press retaining bracket on securely
10. Lock ring
11. Bolt
12. Cover

Headrest and guides, removing and installing

1. Remove front seat. See «FRONT SEAT, REMOVING AND INSTALLING»(/audi/a8/d3-2002-2005/remont/seats/#seats-frames) .
2. Remove upholstery for rear seatback.

Removing headrest

1. Pull headrest -1- up and press release -5-. see scheme 24
2. Remove headrest. Headrest guides -4- or -6- must be pushed in during installation into guides -7-. Unclip cover -2- if spring -3- must be removed.

Removing power headrest

1. Loosen headrest -1- with force by hand in direction of arrow from retainer -9-. see scheme 25
2. Press release -5- and remove headrest -1-.

8 - Mounting for power adjustable headrest

Scheme 5

All

Note. Headrest guide -6- with release -5- is installed on the left side of the seatback. see scheme 25 Headrest guide -4- without release -5- is installed on the right side of the seatback. For manually adjusted headrest release -5- must point to the left. For power adjusted headrest release -5- must point to the right. Spring -3- installed only with manually adjustable headrest.

Removing headrest guide

1. Remove headrest. See «REMOVING HEADREST»(/audi/a8/d3-2002-2005/remont/seats/#seats-frames__removing-headrest).
2. Remove seatback cover.
3. With aid of wrench SW 17 -1- press headrest guide out upward. see scheme 26 NOTE: Illustration shown with seatback cushion.

Removing power adjustable headrest for sport seat

1. Loosen headrest -4- with force by hand in direction of arrow from seatback -1- and pull up to stop. see scheme 27
2. Replace clip -2- through cover -1-.
3. Press clip -2- (2x) and remove headrest -4-. 3 - Headrest guides

Note. All cable ties opened or cut during engine removal must be reinstalled at the same locations during installation.

1. Remove front seat. See «FRONT SEAT, REMOVING AND INSTALLING»(/audi/a8/d3-2002-2005/remont/seats/#seats-frames) .
2. Remove outer trim panel for seat frame. See «SEAT FRAME TRIM, REMOVING AND INSTALLING»(/audi/a8/d3-2002-2005/remont/seats/#seats-frames__seat-frame-trim-removing-and-installing) .

Seat without folding table (where applicable)

1. Remove backrest panel. See «REAR SEATBACK, REMOVING AND INSTALLING»(/audi/a8/d3-2002-2005/remont/seats/#seats-frames) .

Seat with folding table (where applicable)

1. Remove folding table. See «SEATBACK MECHANICAL FOLDING TABLE, REMOVING AND INSTALLING»(/audi/a8/d3-2002-2005/remont/seats/#seats-frames) .

1. Remove hose clamps -1- and -2-.
2. Remove bolt -3- at cable clip.
3. Unclip wire connector from front bracket under seating surface (arrow).
4. Cut cable ties (arrows) and pull free the electrical wire to monitor.
5. Pull electrical wire to monitor through to the rear.
6. Press release button (arrow) and pull off headrest upward.
7. Carefully place headrest with monitor onto seating surface - electrical wire is still inside headrest guide.
8. Release headrest guide with wiring using a socket insert 17 mm -item 1-. see scheme 32 NOTE: Depicted in illustration with backrest cushion removed.
9. Remove headrest guide together with electrical wire upward out of backrest (arrows).
10. Remove cable connector from backrest through headrest guide mount.

Installation is reverse of removal, noting the following

1. Route electrical wire to monitor parallel to seat wiring harness as depicted in see scheme 34.
2. Attach cable ties onto areas designated with arrows.

Seat without folding table (where applicable)

1. Install backrest panel. See «REAR SEATBACK, REMOVING AND INSTALLING»(/audi/a8/d3-2002-2005/remont/seats/#seats-frames) .

Seat with folding table (where applicable)

1. Install folding table. See «INSTALLING»(/audi/a8/d3-2002-2005/remont/seats/#seats-frames) .

All

1. Install outer trim panel for seat frame. See «SEAT FRAME TRIM, REMOVING AND INSTALLING»(/audi/a8/d3-2002-2005/remont/seats/#seats-frames__seat-frame-trim-removing-and-installing) .

Tightening Torques

TIGHTENING TORQUES: HEADRESTS WITH MONITOR

1. Hook 3438

1. Open folding table.
2. To protect cover, adhere cloth-reinforced adhesive tape -1- onto hinges (arrows).
3. Carefully pull out backrest trim in one piece at one lower end using hook 3438.
4. Grasp below the backrest trim by hand and bend it in the center area (arrow) to the rear.
5. Remove backrest trim from Velcro connection in this manner.
6. Lift the still bowed trim over both stop buffers and remove backrest trim downward.
7. Remove bolts (arrows) and remove mechanical folding table.

Installation is reverse of removal, noting the following

1. Check for proper installation: Housing for mechanical folding table must rest at backrest uniformly all around Backrest cover must have no folds
2. Align folding table if necessary. See «FOLDING TABLE, ALIGNING TO BACKREST»(/audi/a8/d3-2002-2005/remont/seats/#seats-frames__folding-table-aligning-to-backrest) .

Scheme 6

Folding table, aligning to backrest

1. Remove folding table. See «SEATBACK MECHANICAL FOLDING TABLE, REMOVING AND INSTALLING»(/audi/a8/d3-2002-2005/remont/seats/#seats-frames) .
2. Loosen bolts (arrows) by several turns.
3. Tighten bolts just enough until the bracket for folding table -1- and -2- may still be moved by hand.
4. Install folding table and align it using light blows with the ball of the hand. Housing for folding table must rest at backrest uniformly all around Backrest cover must have no folds
5. Remove folding table again and tighten bolts for folding table bracket.
6. Install folding table. See «INSTALLING»(/audi/a8/d3-2002-2005/remont/seats/#seats-frames) .

Tightening Torque

TIGHTENING TORQUE: FOLDING TABLE

Power adjustable sport seats

General Notes

1. Remove front seat. See «FRONT SEAT, REMOVING AND INSTALLING»(/audi/a8/d3-2002-2005/remont/seats/#seats-frames) .
2. Screws installed with a locking compound should be cleaned with fluid locking compound D 000 600 before installing. Clean counter threads with thread cutter beforehand.
3. Cable routing to be noted when removing and do not change when installing.
4. When disassembling note install position of tie wrap. Place tie wrap at the same location.
5. Connectors, fastened with mounting clips, should be secured in the same manner when installing.
6. Use wiring diagram: See appropriate System Wiring Diagram article.
7. Seatback or seat heating element are bonded to cushions. Removing and installing.

Mechanical seat, moving forward and back

Note. If power length adjustment is faulty, seat must be moved forward and back mechanically so seat mounting bolts are accessible.

1. Move front and rear seat height adjustment to highest position.
2. Place screwdriver or bore machine with movable shaft and bolt insert to face side of motor for length adjustment and turn in desired direction (arrow).

Note. Illustration shows seat removed.

Seatback electrical components, removing and installing

1. Seatback cover and seatback cushion, removing.

Note. The following list refers to see scheme 42.

1. Seatback adjustment sensor, drivers seat -F86- Installed only in driver seat Removing and installing. See «MOTOR AND SENSOR FOR SEATBACK, ADJUSTMENT AND INSTALLING»(/audi/a8/d3-2002-2005/remont/seats/#seats-frames__motor-and-sensor-for-seatback-adjustment) .
2. Motor for seatback adjustment, drivers seat -V45- and motor for seatback adjustment, passenger seat -V46- Removing and installing. See «MOTOR AND SENSOR FOR SEATBACK, ADJUSTMENT AND INSTALLING»(/audi/a8/d3-2002-2005/remont/seats/#seats-frames__motor-and-sensor-for-seatback-adjustment) .
3. Bendable driveshaft For headrest adjustment Installed in motor for headrest adjustment Fastened with 2 tie wraps
4. Headrest adjustment sensor -G129- Installed only in driver seat Removing and installing. See «HEADREST ADJUSTMENT MOTOR AND SENSOR, REMOVING AND INSTALLING»(/audi/a8/d3-2002-2005/remont/seats/#seats-frames__headrest-adjustment-motor-and-sensor-removing) .
5. Motor for left headrest adjustment -V103- and motor for right headrest adjustment -V104- Removing and installing. See «HEADREST ADJUSTMENT MOTOR AND SENSOR, REMOVING AND INSTALLING»(/audi/a8/d3-2002-2005/remont/seats/#seats-frames__headrest-adjustment-motor-and-sensor-removing) .
6. End switch for headrest adjustment (downward) driver seat -E196- and end switch for headrest adjustment (downward) passenger seat -E197- Available as replacement only together with end switch (upward) -7- Remove headrest cover -8- to adjust Removing and installing. See «END SWITCH FOR HEADREST ADJUSTMENT, REMOVING AND INSTALLING»(/audi/a8/d3-2002-2005/remont/seats/#seats-frames__end-switch-for-headrest-adjustment-removing) .
7. End switch for headrest adjustment (upward) driver seat -E194- and end switch for headrest adjustment (upward) passenger seat -E195- Available as replacement only together with end switch (downward) -6- Remove headrest cover -8- to adjust Removing and installing. See «END SWITCH FOR HEADREST ADJUSTMENT, REMOVING AND INSTALLING»(/audi/a8/d3-2002-2005/remont/seats/#seats-frames__end-switch-for-headrest-adjustment-removing) .
8. Cover for headrest adjustment Removing: drill out rivets and unhook cover Installing: hook in cover and rivet tight
9. Valve block for lumbar support drive side -N209- and valve block for lumbar support passenger side -N210- Removing and installing. See «PUMP, PRESSURE SWITCH AND VALVE BLOCK FOR LUMBAR ADJUSTMENT, REMOVING AND INSTALLING»(/audi/a8/d3-2002-2005/remont/seats/#seats-frames__pump-pressure-switch-and-valve-block) .
10. Pressure switch for lumbar support, drivers side -F224- and pressure switch for lumbar support, passenger side -F225- Inserted in protective sack -11- Removing and installing. See «PUMP, PRESSURE SWITCH AND VALVE BLOCK FOR LUMBAR ADJUSTMENT, REMOVING AND INSTALLING»(/audi/a8/d3-2002-2005/remont/seats/#seats-frames__pump-pressure-switch-and-valve-block) .
11. Protective sack For pressure switch and pump for lumbar support adjuster Fastened with double sided tape to seatback frame Closed with tie wrap
12. Pump for lumbar support driver side -V152- and pump for lumbar support passenger side -V153- Inserted in protective sack -11- Removing and installing. See «PUMP, PRESSURE SWITCH AND VALVE BLOCK FOR LUMBAR ADJUSTMENT, REMOVING AND INSTALLING»(/audi/a8/d3-2002-2005/remont/seats/#seats-frames__pump-pressure-switch-and-valve-block) .
13. Air pillow for lumbar support adjustment Fastened to underside with double sided tape

Power components in seat frame, removing and installing

1. Removing seat cover and seat cushion.

Note. The following list refers to see scheme 43.

1. 1 - Length adjustment sensor for driver seat -F83- Installed only in driver seat Removing and installing. See «MOTORS AND SENSOR FOR HEIGHT AND LENGTH ADJUSTER, REMOVING AND INSTALLING»(/audi/a8/d3-2002-2005/remont/seats/#seats-frames__motors-and-sensor-for-height-and) .
2. 2 - Driver's seat fore/aft adjusting motor -V28- and passenger seat fore/aft adjusting motor -V31- Removing and installing. See «MOTORS AND SENSOR FOR HEIGHT AND LENGTH ADJUSTER, REMOVING AND INSTALLING»(/audi/a8/d3-2002-2005/remont/seats/#seats-frames__motors-and-sensor-for-height-and) . For faulty motor, remove seat and move forward and backward mechanically. See «MECHANICAL SEAT, MOVING FORWARD AND BACK»(/audi/a8/d3-2002-2005/remont/seats/#seats-frames__mechanical-seat-moving-forward-and-back) .
3. 3 - Power supply for seat adjustment -J137- Shown removed Component location: under plate for control module (arrow) Removing and installing. See «CURRENT SUPPLY RELAY FOR SEAT ADJUSTMENT, REMOVING AND INSTALLING»(/audi/a8/d3-2002-2005/remont/seats/#seats-frames__current-supply-relay-for-seat-adjustment) .
4. 4 - Control module for seat adjustment with memory -J136- Installed only in driver seat Removing and installing. See «CONTROL MODULE FOR SEAT ADJUSTMENT WITH MEMORY, REMOVING AND INSTALLING»(/audi/a8/d3-2002-2005/remont/seats/#seats-frames__control-module-for-seat-adjustment-with) . Connector colors are stamped into connector fields of control module
5. 5 - Sensor for front height adjuster driver seat -F84- Installed only in driver seat Removing and installing. See «MOTORS AND SENSOR FOR HEIGHT AND LENGTH ADJUSTER, REMOVING AND INSTALLING»(/audi/a8/d3-2002-2005/remont/seats/#seats-frames__motors-and-sensor-for-height-and) .
6. 6 - Switch unit on driver seat Switch for length adjustment -E61- Switch for front height adjuster -E62- Switch for rear height adjuster -E63- Switch for seatback adjustment -E96- Switch for headrest adjustment -E167- Removing and installing. See «SEAT SWITCH, REMOVING AND INSTALLING»(/audi/a8/d3-2002-2005/remont/seats/#seats-frames__seat-switch-removing-and-installing) .
7. 6 - Switch unit on passenger side Switch for length adjustment -E61- Switch for front height adjuster -E65- Switch for rear height adjuster -E66- Switch for seatback adjustment -E98- Switch for headrest adjustment -E170- Removing and installing. See «SEAT SWITCH, REMOVING AND INSTALLING»(/audi/a8/d3-2002-2005/remont/seats/#seats-frames__seat-switch-removing-and-installing) .
8. 7 - Operating unit for memory -E97- Removing and installing. See «SEAT SWITCH, REMOVING AND INSTALLING»(/audi/a8/d3-2002-2005/remont/seats/#seats-frames__seat-switch-removing-and-installing) .
9. 8 - Motor for front height adjuster driver seat -V29- and motor for front height adjuster passenger seat -V32- Removing and installing. See «MOTORS AND SENSOR FOR HEIGHT AND LENGTH ADJUSTER, REMOVING AND INSTALLING»(/audi/a8/d3-2002-2005/remont/seats/#seats-frames__motors-and-sensor-for-height-and) .
10. 9 - Motor for rear height adjuster driver seat -V30- and motor for rear height adjuster passenger seat -V33- Removing and installing. See «MOTORS AND SENSOR FOR HEIGHT AND LENGTH ADJUSTER, REMOVING AND INSTALLING»(/audi/a8/d3-2002-2005/remont/seats/#seats-frames__motors-and-sensor-for-height-and) .
11. 10 - Sensor for rear height adjuster driver seat -F85- Installed only in driver seat Removing and installing. See «MOTORS AND SENSOR FOR HEIGHT AND LENGTH ADJUSTER, REMOVING AND INSTALLING»(/audi/a8/d3-2002-2005/remont/seats/#seats-frames__motors-and-sensor-for-height-and) .

Headrest adjustment motor and sensor, removing and installing

1. Seat removed
2. Seatback cover and seatback cushion

1. Remove 3 hex head bolts from engine for headrest adjustment at seatback frame.
2. Remove bendable driveshaft -6- from motor. see scheme 44
3. Cut open tie wraps and disconnect connectors -2- through -5-.
4. Unclip sensor for headrest adjustment -1- from motor.
5. Remove retaining bracket from motor.

1. Clip on sensor for headrest adjustment to motor.
2. Screw retaining bracket to motor or seatback with 6 Nm (53 in.lb.).

End switch for headrest adjustment, removing and installing

1. Seat removed
2. Seatback cover and seatback cushion

1. Drill out two rivets on headrest adjustment cover and remove cover.
2. Drill out 2 rivets -3- and -4-. see scheme 45
3. Remove retaining bracket for end switch for headrest adjustment.
4. Unhook wire bracket for seatback cushion to upper strap (arrow).
5. Cut tie wraps open and disconnect connectors -1-, -2- and -5-.

Pump, pressure switch and valve block for lumbar adjustment, removing and installing

1. Seat removed
2. Seatback cover and seatback cushion

1. Cut open tie wrap to protective sack, release sack from seatback frame (double sided ban) and remove.
2. Remove valve block for lumbar adjustment -3- from seatback frame. see scheme 46
3. Loosen air pillow -1- and -2- carefully from styro plate (double adhesive).
4. Disconnect connectors to pump for lumbar adjustment -5-, to pressure switch for lumbar adjustment -4- and to valve block -3- for lumbar adjustment.
5. Remove affected hoses.

Motor and sensor for seatback, adjustment and installing

1. Seat removed
2. Seatback cover and seatback cushion

1. Cut open cable ties.
2. Remove two bolts -2- and -5- for seatback adjustment. see scheme 47
3. Disconnect connectors -3- and -4-.
4. Remove screws -6-.
5. Unclip sensor for seatback adjuster -1-.

1. Securely bolt motor for seatback adjustment with 10 Nm (7 ft.lb.).

Motors and sensor for height and length adjuster, removing and installing

1. Front and rear seat height adjuster in highest position
2. Seat removed

Note. To remove length adjustment malfunction, move seat mechanically forward and back. See MECHANICAL SEAT, MOVING FORWARD AND BACK . With seat removed motors for height adjustment can be connected directly to a voltage source. Disconnect connector to motor. Voltage should not be applied to control module for control module for seat adjustment with memory. If seat cannot be moved up due to faulty motor for height adjustment, cut through affected driveshaft using a cutter (seat uncovered) and remove motor. Replace separated driveshaft.

1. Remove 4 bolts (arrows) for seat console.
2. Unhook console at seat frame.
3. Remove nuts -1- and -2- at motors for front height adjuster or rear height adjuster. see scheme 49
4. Cut open cable ties.
5. Disconnect connectors.
6. Drive out seat rail at side of motor for height adjustment with a plastic hammer (arrows).
7. Remove motor for front or rear height adjustment from driveshaft.
8. Press sensor for front height adjuster or sender for rear height adjuster from clamp connection.
9. Remove motor for length adjustment.
10. Disconnect connectors.
11. Remove driveshaft and remove motor for length adjustment from driveshaft.
12. Press sensor for length adjuster from connection at motor.

Note. Make sure that both seat rails run parallel to each other in length and height adjustment.

1. At installation, please note installed position of new sender (tab).
2. Connect motor with driveshaft for length adjustment to seat rail.
3. Measure seat rails length adjustment to motor side and place overlapping seat rail to same dimension.
4. Connect motors for front and rear height adjustment onto driveshaft.
5. Place both seat rails on seat frame and guide tabs in holes on seat frame.
6. Measure height adjustment to seat rail front and rear and place overlapping seat rail on same dimension.
7. In this position insert seat frame onto driveshaft -1- and at same time guide bolts -2- into motor.
8. Measure parallel adjustment again.
9. Tighten seat rail to seat frame with 20 Nm (15 ft.lb.).
10. Securely bolt motor for length adjustment with 10 Nm (7 ft.lb.).
11. Securely bolt motor for height adjustment with 6 Nm (53 in.lb.).

Note. To synchronize sender for length adjustment or sender for height adjustment, the total adjustment area from length adjustment, height adjustment, front as well as height adjustment rear must make a complete run.

Current supply relay for seat adjustment, removing and installing

1. Seat removed

1. Remove 4 phillips-head screws (arrows) for retaining plate.
2. Fold retaining plate forward.
3. Remove connector.
4. Remove Phillips-head screw (arrow) and remove current supply relay for seat.

1. Secure relay with 4.5 Nm (40 in.lb.) to retaining plate.

Control module for seat adjustment with memory, removing and installing

1. Front and rear seat height adjuster in highest position
2. Seat removed

Scheme 7

1. Remove nuts (arrows) several rotations.
2. Remove control module for seat adjustment with memory from bracket.
3. Remove connector. NOTE: Colors of connector are stamped into connector fields of control module.

Seat switch, removing and installing

1. Seat removed

1. Remove 2 bolts -2- at underside of trim -1-.
2. Pull trim in direction of arrow -a- from retaining bolts.
3. Remove switch from trim.
4. Remove connector.

Seat heating connectors, installed position

1. Connectors T1aa and T1ac (driver seat), connectors T1ag and T1ai (passenger seat)
2. Connectors - T6r (driver seat), connector T6s (passenger seat)

1. Connectors T1ae and T1af, connectors T1a1 and T1am (passenger seat)
2. Connectors T3ac (driver seat) connector T6ad (passenger seat) NOTE: Illustration shows backside of removed seatback center cushion.

1. Connectors T1ab and T1ad (driver seat), connectors T1ah and T1ak (passenger seat)

1. VAS5068

1. Remove two screws -1- (8 Nm/71 in.lb.).
2. Rear seat bench -2- raised slightly and removed from the front.
3. Disconnect connectors.

Installation is done in reverse sequence, noting the following

1. Position rear seat bench with guide clips -3-.

1. VAS5068 (Qty. 2)

1. Remove rear seat bench. See «REAR SEAT BENCH, REMOVING AND INSTALLING»(/audi/a8/d3-2002-2005/remont/seats/#seats-frames) .

1. For vehicles with coded radio unit/radio-navigation system (RNS) note coding; ask if necessary.
2. Disconnect battery ground strap/cable and cover negative pole. CAUTION: On vehicles equipped with Audi Telematics by OnStar(R), switch-off the emergency (back-up) battery for the Telematic/Telephone Control Module prior to disconnecting the vehicle battery. See «EXAMPLE: SWITCH OFF EMERGENCY (BACK-UP) BATTERY»(ref-196291-S30692992912005100800000). Switch-on the emergency (back-up) battery after reconnecting the vehicle battery. See «EXAMPLE: SWITCH ON EMERGENCY (BACK-UP) BATTERY»(/audi/a8/d3-2002-2005/remont/communication-devices/#on-board-diagnostic-obd-radio-navigation-steering-telematics__example-switch-on-emergency-back-up-battery). NOTE: Before disconnecting ignition and ground wire technician must discharge himself from electrostatic; to do this, briefly touch striker for door or body.
3. Slide back foam covering on left and right side airbag connector at C-pillars -1-. see scheme 63
4. Press lock -2- and separate connector- 3- for side airbag.
5. Connect airbag connectors from seat to appropriate parts on VAS5068 adapters.

Scheme 8

Note. Two VAS5068 adapters are required, one for each side.

1. Connect one other connector of each VAS5068 adapter to any other electrical connector on seat frame. Airbag wiring is now shorted to seat frame (Ground) to prevent deployment caused by static, and the seat can be removed.

Vehicles with third head rest

1. Remove center head rest -1-. see scheme 65
2. Fold center arm rest downward and open ski sack cover.
3. Unclip screen -3- at bottom by trim -4-. see scheme 65
4. Remove bolts -5- (8 Nm).
5. Press button -2- to insert center head rest. see scheme 65

1. Remove bolts -3- (8 Nm/71 in.lb.).
2. Raise rear seatback -2- up and remove brackets -1-.
3. Disconnect connectors. NOTE: Headrest must not be removed from rear seatback.

Installation is done in reverse sequence, noting the following

1. Switch ignition on. CAUTION: When connecting battery make sure no one is in the vehicle.
2. Connect battery.

Rear seatback armrest, removing and installing

1. Fold armrest forward.
2. Press lock bracket on both sides of armrest in direction or arrow and remove armrest.

Headrest, removing and installing

Note. Removal and installation of rear headrest is the same as the front headrests. See HEADREST AND GUIDES, REMOVING AND INSTALLING .

Armrest for rear seatback with third headrest, removing and installing

1. Remove rear seatback. See «REAR SEATBACK, REMOVING AND INSTALLING»(/audi/a8/d3-2002-2005/remont/seats/#seats-frames) .
2. Remove bolts -2- (4x). Center armrest and headrest are a unit.

Electric headrest adjustment, removing and installing

Note. The following list refers to see scheme 69.

1. Electric headrest adjustment Remove back rest. See «REAR SEATBACK, REMOVING AND INSTALLING»(/audi/a8/d3-2002-2005/remont/seats/#seats-frames) . Remove upholstery from rear seatback. Disengage lumbar cover. See «ELECTRIC LUMBAR ADJUSTMENT, REMOVING AND INSTALLING»(/audi/a8/d3-2002-2005/remont/seats/#seats-frames__electric-lumbar-adjustment-removing-and-installing) . Disconnect harness connector -9-. Remove nuts -12-. Remove nuts -7-.
2. Shaft
3. Relay carrier Slide upward to unclip.
4. Bolts 3x Tightening torque: 2 Nm
5. Washers 3x
6. Rubber buffer 3x
7. Nut 3x Tightening torque: 2 Nm
8. E-motor, headrest adjustment Belongs to headrest adjustment delivery casing
9. Harness connector
10. Nut 2x Tightening torque: 3.5 Nm
11. Rubber buffer 2x
12. Nut 2x Tightening torque: 3.5 Nm

Electric lumbar adjustment, removing and installing

Note. The following list refers to see scheme 70.

1. Lumbar adjustment unit Removing: Remove back rest. See «REAR SEATBACK, REMOVING AND INSTALLING»(/audi/a8/d3-2002-2005/remont/seats/#seats-frames) . Remove upholstery from rear seatback. Disengage loop -7-. Fold cover -10- down. Bend open tabs at top -9- and bottom. Disengage brackets -8- and -5-. Separate bracket -6- from lumbar adjustment unit -1-. Remove spring clip to hinge from transmission of motor for vertical lumbar adjustment. Remove spring clip at lumbar adjustment unit -1- from shaft -2- and remove shaft from lumbar adjustment unit -1-. Installing: Center lumbar adjustment unit -1- to mounting strap of rear seatback.
2. Shaft for lumbar height adjustment
3. Motor for vertical lumbar adjustment
4. Motor for lumbar height adjustment
5. Bracket
6. Bracket
7. Loop 2x
8. Bracket
9. Strap 2x
10. Cover

Motors for lumbar adjustment, removing and installing

Note. The following list refers to see scheme 71.

1. Motor for vertical lumbar adjustment Remove back rest. See «REAR SEATBACK, REMOVING AND INSTALLING»(/audi/a8/d3-2002-2005/remont/seats/#seats-frames) . Remove upholstery from rear seatback. Disconnect harness connector -4-. Remove nuts -3-. Remove spring clip to hinge -7- from transmission -6-. Remove spring clip at lumbar adjustment unit from shaft -2- and remove shaft from lumbar adjustment unit. Disconnect motor for vertical lumbar adjustment -1- from bracket.
2. Shaft for lumbar height adjustment
3. Nut 3x Tightening torque 2 Nm.
4. Harness connector
5. Motor for lumbar height adjustment Remove back rest. See «REAR SEATBACK, REMOVING AND INSTALLING»(/audi/a8/d3-2002-2005/remont/seats/#seats-frames) . Remove upholstery from rear seatback. Disconnect harness connector -4-. Remove nuts -3-. Remove spring clip to hinge -7- from transmission -6-. Remove spring clip at lumbar adjustment unit from shaft -2- and remove shaft from lumbar adjustment unit. Disconnect motor for lumbar height adjustment -5- from bracket.
6. Transmission for lumbar height adjustment
7. Driveshaft
8. Rear seatback frame
9. Edge protection
10. Rubber buffer 3x
11. Bolts 3x Tightening torque: 2 Nm
12. Washers 3x

Wire routing for electric lumbar adjustment and electric headrest, adjustment

Note. Illustration depicts cable routing on left side (viewed from front); the right side is a mirror image.

Note. The following list refers to see scheme 72.

1. Wiring harness, electric lumbar adjustment
2. Side airbag module
3. Shaft for lumbar height adjustment
4. Motors, electric lumbar adjustment
5. Motor, electric headrest adjustment
6. Shaft for headrest adjustment
7. Relay carrier, electric headrest adjustment
8. Wiring harness, electric headrest adjustment
9. Cable ties

Power adjustable individual seats, rear

Note. Screws installed with a locking compound should be cleaned with fluid locking compound D 000 600 before installing. Beforehand clean counter threads with thread cutter. Cable routing to be noted when removing and do not change when installing. When disassembling note install position of tie wrap. Place tie wrap at the same location. Connectors fastened with mounting clips should be secured in the same manner when installing. To remove and install the shift trim, remove switch for rear seat adjustment in order to place shift trim at mounting bolts. Use wiring diagram

See appropriate System Wiring Diagram article.

Power seat, moving forward and back

Note. If power length adjustment is faulty, seat must be moved forward mechanically so that seat mounting bolts are accessible.

1. Nuts -A- for seat are loosened and seat raised. see scheme 73
2. If necessary, bolts -B- for seat frame are loosened if nuts-A- are difficult to get to.
3. Insert bendable shaft -1- or hex socket wrench 3 mm into transmission for length adjustment.
4. Drive seat forward with bore machine -2-. C - Engine for length adjustment

Power motors, assembly overview

Note. The following list refers to see scheme 74.

1. Bolt 3.5 Nm (31 in.lb.) 4 parts
2. Nut 1.7 Nm (15 in.lb.)
3. Bolt 3.5 Nm (31 in.lb.) 4 parts
4. Bolt 7.5 Nm (66 in.lb.) 2 parts
5. Bolt 18 Nm (13 ft.lb.) 2 parts
6. Bolt 22 Nm (16 ft.lb.) 2 parts
7. Bolt 50 Nm (37 ft.lb.) 2 parts
8. Bolt 8 Nm (71 in.lb.) 2 parts

Note. The following list refers to see scheme 74.

1. Microswitch for end position, rear 3 bolts 0.7 Nm (6 in.lb.)
2. Left rear seat height adjusting motor -V89- and right rear seat height adjusting motor -V89- Pull lock shims from drive axis
3. Left rear seat fore and aft adjusting motor -V87- right rear seat fore and aft and aft adjusting motor -V88- Pull lock shims from drive axis
4. Lifting frame
5. Seat frame
6. Support for center cushion

Electrical connectors and relay in support for center cushion

Note. The following list refers to see scheme 75.

1. Right heated seatback 2-pin Color: red
2. Left heated seatback 2-pin Color: green
3. Buckle right 2 pin Color: red
4. Buckle left 2-pin Color: green
5. Seat heater for right rear seat 4-pin Color: red
6. Seat heater For left rear seat 4-pin Color: green
7. Right rear seat height adjusting motor -V90- 2-pin Color: red
8. Left rear seat height adjusting motor -V89- 2-pin Color: black
9. Supply voltage for right rear seat 6-pin Color: red
10. Supply voltage for left rear seat 6-pin Color: green
11. Right rear seat fore and aft adjusting motor -V88- 2-pin Color: blue
12. Left rear seat fore and aft adjusting motor -V87- 2-pin Color: green
13. Relay for right headrest lowering
14. Relay for left headrest lowering
15. Relay for automatic seatback adjustment right
16. Relay for automatic seatback adjustment left

1. VAS5068

1. Fold armrest forward.
2. Press lock bracket on both sides of armrest in direction or arrow and remove armrest.
3. Pull center cushion upward at rear edge arrow -1-.
4. Slide center cushion to the back arrow -2- and remove.
5. Remove bolts -2- (50 Nm/37 ft.lb.).
6. Remove buckle -1- from seatframe. Wire for belt in use (arrow) remains connected.
7. Switch off seat memory at switch (arrow) in door trim.
8. Position seats all the way forward and up.

1. For vehicles with coded radio unit/radio-navigation system (RNS) note coding; ask if necessary.
2. Disconnect battery ground strap/cable and cover negative pole. CAUTION: On vehicles equipped with Audi Telematics by OnStar(R), switch-off the emergency (back-up) battery for the Telematic/Telephone Control Module prior to disconnecting the vehicle battery. See «EXAMPLE: SWITCH OFF EMERGENCY (BACK-UP) BATTERY»(ref-196291-S30692992912005100800000) . Switch-on the emergency (back-up) battery after reconnecting the vehicle battery. See «EXAMPLE: SWITCH ON EMERGENCY (BACK-UP) BATTERY»(/audi/a8/d3-2002-2005/remont/communication-devices/#on-board-diagnostic-obd-radio-navigation-steering-telematics__example-switch-on-emergency-back-up-battery) .

1. Remove nuts -5- at front seat adjustment unit (8 Nm/71 in.lb.). see scheme 81
2. Raise back seat -arrow 1- until threaded bolts slide out seatframe adjustment unit.
3. Slide rear seat to back -arrow 2- and simultaneously slide seatback up -arrow 3-.

Sliding hooks -4- must unhook from rear seat.

Scheme 9

Scheme 10

1. After removing, place seat with connected wiring harness on seat frame.
2. Remove bolts -2- at support for center cushion. see scheme 82
3. Pull out support for center cushion from retaining bracket from rear panel.
4. Remove bolts -1- from relay bracket.
5. Unhook relay with socket from bracket for relay. Both relays left when removing left seat, both relays right when removing right seat.
6. Unlock bracket for connectors from back side of support for center cushion. NOTE: Before disconnecting ignition and ground wire installer must discharge himself from electrostatic; to do this, briefly touch striker for door or body.
7. Press lock -1- and disconnect connector -2- for side airbag (color: left-yellow or right-orange).
8. Disconnect remaining connectors to seat and guide wiring from support for center cushion. Seat should not yet be removed from vehicle.
9. Place airbag connector from seat to appropriate part on VAS5068 adapter.
10. Connect suitable connector coupling to VAS5068 with optional connector on seat. Airbag wiring is at "Ground" and seat can be removed.
11. Remove screws -1-. see scheme 85
12. Install transport brace -4- and move seat adjustment unit back -2- with foreign power source.
13. Remove bolts -3- and remove seat adjustment unit.

Note. Replacement parts are supplied with transport frame. Transport frame can be used for removing and installing as an installation aid.

Installation is done in reverse sequence, noting the following

1. Switch ignition on. CAUTION: When connecting battery make sure no one is in the vehicle.
2. Connect battery.

Power adjusted individual seats, separate seatback and seat part

1. Pinch upholstery clips (arrows) on cover -3- between seatback -1- and seat part -2- using cutter.
2. Cut tie wrap open and remove wire from seat.
3. Remove bolt -3- (10 Nm/7 ft.lb.).

Armrest for rear seatback, removing and installing

1. Remove electrically adjustable single seat. See «ELECTRICALLY ADJUSTABLE INDIVIDUAL SEATS, REMOVING AND INSTALLING»(/audi/a8/d3-2002-2005/remont/seats/#seats-frames) .
2. Remove bolts -3- (8 Nm).
3. Remove nut -2- (22 Nm).

Power seatback adjustment motor, removing and installing

Note. The following list refers to see scheme 89.

1. Rear seatback
2. Motor for left headrest adjustment -V103- and motor for right headrest adjustment -V104
3. Pressure switch for lumbar support, drivers side -F224- and pressure switch for lumbar support, passenger side -F225
4. Pressure switch for lumbar support, drivers side -F224- and pressure switch for lumbar support, passenger side -F225
5. Tie wrap
6. Connector
7. Bolt 6 Nm (53 in.lb.) 2 parts
8. Bowden cable
9. Tie wrap
10. Connector
11. Bolt 6 Nm (53 in.lb.) 2 parts
12. Bowden cable
13. Connector
14. Nut 6 Nm (53 in.lb.) 3 parts
15. Lock ring
16. Transfer gear case
17. Bolt 6 Nm (53 in.lb.) 2 parts

See also:
• EXAMPLE: SWITCH ON EMERGENCY (BACK-UP) BATTERY
• MECHANICAL SEAT, MOVING FORWARD AND BACK
• FRONT SEAT, REMOVING AND INSTALLING
• SEAT FRAME TRIM, REMOVING AND INSTALLING
• INNER SEAT FRAME TRIM, REMOVING AND INSTALLING
• FRAME TRIM (SPORT SEAT), REMOVING AND INSTALLING
• CONTROL MODULE FOR SEAT ADJUSTMENT WITH MEMORY, REMOVING AND INSTALLING
• REMOVING HEADREST
• FOLDING TABLE, ALIGNING TO BACKREST
• MOTOR AND SENSOR FOR SEATBACK, ADJUSTMENT AND INSTALLING
• HEADREST ADJUSTMENT MOTOR AND SENSOR, REMOVING AND INSTALLING
• END SWITCH FOR HEADREST ADJUSTMENT, REMOVING AND INSTALLING
• PUMP, PRESSURE SWITCH AND VALVE BLOCK FOR LUMBAR ADJUSTMENT, REMOVING AND INSTALLING
• MOTORS AND SENSOR FOR HEIGHT AND LENGTH ADJUSTER, REMOVING AND INSTALLING
• CURRENT SUPPLY RELAY FOR SEAT ADJUSTMENT, REMOVING AND INSTALLING
• SEAT SWITCH, REMOVING AND INSTALLING
• HEADREST AND GUIDES, REMOVING AND INSTALLING
• ELECTRIC LUMBAR ADJUSTMENT, REMOVING AND INSTALLING