Front backrest, removing and installing: Notes

WARNING: This page does not describe the selected car, but rather 15 other vehicles, including the 2008 Audi S4, 2008 Audi RS 4, 2008 Audi A4, 2007 Audi S4, and 2007 Audi RS 4. However, it is still accessible from the selected car via links, so may be relevant.

Special tools, testers and auxiliary items required

Fig 1: Identifying Torque Wrench V.A.G. 1331

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Torque wrench V.A.G 1331

Fig 2: Special Tool - Engine And Transmission Holder VAS 6095

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Engine and transmission holder VAS 6095

Fig 3: Fixture For Seat Repair VAS 6136

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Fixture for seat repair VAS 6136

Fig 4: Removing Front backrest

Courtesy of VOLKSWAGEN UNITED STATES, INC.

1 - Fastening strip

2 - Backrest

Removal

CAUTION:

Observe safety precautions for work on airbags → Airbag safety precautions .
Before handling airbag units (e.g. disconnecting electrical connector), the person handling it must "electrostatically discharge". This can be done by touching door striker, for example.

Remove seat → Front power seats with memory, removing and installing .
Mount the fixture for seat repair VAS 6136 on the engine and transmission holder VAS 6095.
Attach the front seat to the fixture for seat repair VAS 6136.
Remove side trim on sill side → Side panels on door sill side, removing and installing .

Remove side trim on tunnel side → Tunnel-side side trim, removing and installing .
Disengage retaining strip - 1 - from seat pan - 10 -.

Vehicles without modular wiring routing through 08.05

Disconnect connectors and disconnect cables from spring mat → Spring mat with wiring harness in seat pan, removing and installing .

Vehicles with modular wiring routing from 07.06

Vehicles with modular wiring routing have a continuous wire from side airbag to connector station.

Disconnect side airbag connector at connector station → Disconnecting connections .
Remove corrugated tubing → Modular wiring routing with corrugated tubing on front seat

Procedure for all vehicles

Remove screw - 8 -.
Turn bracket - 9 - upward.
Remove screws - 5 - (4x).
Tip backrest - 1 - forward on seat.

Push cushion aside and carefully disconnect wiring harness - 3 - from seat pan - 10 -.
Remove backrest - 2 -.

Installing

Installation is reverse of removal. When doing so, note the following:

Cut threads in backrest frame before installing screws - 5 - (4x).
Always replace bolts - 5 - (4x).
Secure tabs - 7 - on footwell cover to spring mat of seat pan.
For seats with seat memory: Perform a basic setting for backrest or seat after installing seat in vehicle.

3 - Cable harness

4 - Fastening strip

Qty. 2

5 - Screw, self-locking

20 Nm
Replace
Qty. 4
Threaded holes for screws must always be cleaned (for example, with thread cutter)

6 - Support

7 - Tab

Qty. 4

8 - Screw

9 - Support

10 - Seat pan

Fig 5: Installing Front backrest

Courtesy of VOLKSWAGEN UNITED STATES, INC.

1 - Side airbag connector

Only on vehicles without modular wiring routing through 08.05

Press in catches on connectors - 4 -, - 5 - and - 6 - on left and right and disconnect connectors.
Disconnect harness connector of side airbag - 1 - Side airbag connector, vehicles without modular wiring routing through 08.05, disconnecting .
Disconnect clip - 2 -.
Loosen wires at cable tie clips - 3 -.

2 - Clip

3 - Cable tie clips

4 - Harness connector of side airbag Ground (GND)

5 - Backrest heater connector

6 - Four-way lumbar support connector