Four-Way Lumbar Support, Without Active Head Restraint System

Four-Way Lumbar Support, without Active Head Restraint System

Special tools, testers and auxiliary items required

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





Removing

CAUTION!
Observe safety precautions for work on airbags. Refer to => [ Airbag System Safety Precautions ] Service Precautions.

- Remove front seat (standard seat). Refer to => [ Standard Front Seat ] Standard Front Seat.

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

- Pry fastening strips - 6 - (Qty. 4) out with a screwdriver.





- Insert foil between upholstery and backrest frame to protect against metal particles.

- Drill out rivet - 5 -.

- Disconnect electrical connectors at lumbar support curvature and height adjustment motors - 4 - and - 7 -.

- Disengage four-way lumbar support - 3 - with springs - 2 - (Qty. 2) at backrest frame - 3 -.





- Disconnect Velcro connector between lumbar support - 2 - and backrest padding - 1 -.





- Disengage lumbar support - 2 - at top of support frame - 3 -.

- Remove lumbar support frame - 3 - with lumbar support - 2 -.

Installing

CAUTION!
Observe safety precautions for work on airbags. Refer to => [ Airbag System Safety Precautions ] Service Precautions.

- Lay plastic film - 1 - over Velcro strips - 4 - on lumbar support. Secure plastic film on lumbar support.





- Ensure lumbar support is attached to lumbar support frame with assembly fastener - 5 - or a suitable screw.

- Position four-way lumbar support frame behind backrest frame and engage top of frame - 3 - in mounts on backrest frame at left and right with springs - 2 -.

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





- Rivet lumbar support frame - 2 - with backrest frame - 3 -.

- Remove plastic film between backrest padding and lumbar support.

- Press lumbar support Velcro fastener onto backrest padding to secure.

- Connect electrical connectors at curvature and height adjustment motors.

Further installation is performed in the reverse order of removal. Observe the following when doing so:

CAUTION!
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.

• 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 with ignition on, procedure. Refer to => Starting and Charging Starting and Charging

- If Airbag Malfunction Indicator Lamp (MIL) (K75 ) indicates a fault after installation, DTC memory must be checked, deleted and checked again.