Four-Way Lumbar Support

Four-Way Lumbar Support

Special tools, testers and auxiliary items required

• Special Pop Rivet Pliers (V.A.G 1753A)

• Seat Repair Stand (VAS6136)

• Drill

• Protective eyewear

Removing


• Follow all safety precautions when working on pyrotechnic components.

• Before handling pyrotechnic components (for example, disconnecting the connector), the person handling them must discharge static electricity. For example, by briefly touching the door striker pin.

- Switch the ignition on.

- Disconnect the battery ground cable with the ignition switched on.

- Remove the front seat:

• Standard seat and Sport seat (manual), refer to => [ Manual Standard Front Seat ] Manual Standard Front Seat.

• Standard seat, Sport seat (power) and Comfort seat, refer to => [ Power Standard Front Seat ] Power Standard Front Seat.

- Attach the front seat to the (VAS 6136). Refer to => [ Front Seat, Installing on Seat Repair Stand ] Overhaul.

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

- Remove the headrests. Refer to => [ Headrests with Locking Mechanism ] Headrests With Locking Mechanism.

- Remove cover with upholstery. Refer to => [ Backrest Cover and Cushion ] Backrest Cover and Cushion.

• Lay plastic film between the seat pan cover and the backrest frame to protect against metal shavings.







Eye injury risk.

• Wear protective eyewear!

- Drill out rivet - 2 -.

- Disconnect electrical harness connectors - 1 - and - 3 - at the lumbar support curvature and height adjustment motors.

- Free up the electrical wiring harness at the four-way lumbar support - 1 -.






- Disengage and remove the 4-way lumbar support on the backrest frame - 2 -.

Installation

- Engage four-way lumbar support - 1 - on the backrest frame - 2 -.

- Before securing rivet - 4 -, a plastic washer - 1 - must be placed between lumbar support - 2 - and backrest frame - 3 -.






- Rivet the four-way lumbar support frame - 2 - with the backrest frame - 3 -.


• Follow all safety precautions when working on pyrotechnic components.

• Before handling pyrotechnic components (for example, connecting electrical connector), the person handling them must discharge static electricity. For example, by briefly touching the door striker pin.

Further installation is performed in reverse sequence of removal, but observe the following:

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


Connect the battery with the ignition switched on. Pyrotechnic components could deploy after connecting the battery if they were not repaired correctly. Individuals must not be inside the vehicle when connecting the battery.

- Connect the battery ground cable with the ignition turned on.

• If the airbag indicator lamp (K75) indicates a fault after installation, the DTC memory must be checked, deleted and checked again using the Vehicle diagnostic tester.