Four-Way Lumbar Support

Power Front Memory Seats, S6

Rest of world: vehicles from 06/06

Versions for specific countries: vehicles from 08/06

• Modular wiring routing came into effect with series production of seats.

• Check version of front seat and of vehicle and perform repairs accordingly.

• Note the two possible versions of the modular wiring routing, Modular Light or Modular => [ Modular Wiring Routing Versions ] Standard Front Seats Overview.



Four-Way Lumbar Support

Special tools, testers and auxiliary items required

• Special pop rivet pliers (V.A.G 1753A)

Removing

CAUTION!
• Observe safety precautions for work on airbags => [ Airbag Inspection ] .

• Before handling airbag units (e.g. disconnecting electrical connector), the person handling it must "discharge static electricity". This can be done by touching door striker, for example.

- Remove front seat => [ Front Seat ].

- Attach front seat to Fixture For Seat Repair (VAS 6136) => [ Front Seat, Installing on Fixture for Seat Repair VAS 6136 ] Power Front Memory Seats, S6 Overview.

- Remove backrest cover panel => [ Backrest Cover ].

- Pry fastening strips - 2 - (Qty. 3) out with a screwdriver.





- Remove cover with upholstery => [ Backrest Cover and Upholstery ] Front Seat Covers and Upholstery, Power Memory Seats, S6.

- Lay foil between seat pan cover with upholstery and backrest frame to protect against metal shavings.

- Drill out rivet - 3 -.





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





- Open cable tie - 1 -.

- Guide release - 3 - out of bracket - 4 -.

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





- Disengage release - 2 - from clip - 1 -.

- Disengage four-way lumbar support - 3 - at top left and right from clips - 2 - and backrest frame - 1 -.





- Remove four-way lumbar support - 3 -.

Installing

To install, perform the steps used in removal in reverse order. Observe the following when doing so:

CAUTION!
• Observe safety precautions for work on airbags => [ Airbag Inspection ] .

• Before handling airbag units (e.g. disconnecting electrical connector), the person handling it must "discharge static electricity". This can be done by touching door striker, for example.

- Before riveting lumbar support, place a plastic washer - 4 - between lumbar support - 1 - and backrest frame - 2 -.





3 Rivet

• Ensure that electrical connections are pushed in as far as stop and engage with a click.

- Switch on ignition.

CAUTION!
Ignition must be on when connecting battery. If pyrotechnic components (e.g. airbag, belt tensioner) are not repaired correctly, they may deploy unintentionally after connecting battery. There must not be anyone inside the vehicle when connecting the battery.

- Connect battery ground cable with ignition switched on.

- If Airbag Malfunction Indicator Lamp (MIL) (K75) indicates a fault after installation, DTC memory must be checked, deleted and checked again => Vehicle Diagnosis, Testing and Information System (VAS 5051B)