Four-Way Lumbar Support, New Version, Through 11.2006
Power Front Memory Seats
• From 07.2006, the usual wiring harness routing to connector station under front seat => [ Connectors, Disconnecting ] Power Front Memory Seats Overview has been replaced with modular wiring routing => [ Modular Wiring Routing, from 07.2006, Assembly Overview ] Standard Front Seats Overview.
• The modular wiring routing has not been implemented for all countries.
• 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, New Version, through 11.2006
Special tools, testers and auxiliary items required
• Special pop rivet pliers (V.A.G 1753 A)
1 Backrest padding
2 Lumbar support
• Removing and Installing => [ (Item 4) Lumbar support frame ]
3 Clamping sleeve
4 Lumbar support frame
• Removing
- Remove backrest cover panel => [ Backrest Cover ].
- Pry fastening strips - 10 - (Qty. 4) out with a screwdriver.
- Insert foil between upholstery and backrest frame to protect against metal particles.
- Drill out rivet - 7 -.
- Disengage lumbar support frame - 4 - from backrest frame at top on left and right sides.
- Disconnect electrical harness connectors at actuators - 5 - and - 9 - for lumbar adjustment.
- Disconnect Velcro fastener between lumbar support - 2 - and backrest cushion - 1 -.
- Disengage upper lumbar support at lumbar support frame.
- Remove lumbar support.
• Installing
Installation is performed in reverse order of removal, noting the following:
- Place a plastic foil over Velcro strips of lumbar support. Secure plastic foil to lumbar support => [ Secure lumbar support using the assembly safety
guard and secure plastic foil to lumbar support ].
- Make sure lumbar support is secured to lumbar support frame using the transport protection device or suitable pin => [ Secure lumbar support using the assembly safety
guard and secure plastic foil to lumbar support ].
- Place lumbar support frame behind backrest frame and engage lumbar support frame on left and right at top in mount on backrest frame.
- Rivet lower lumbar support frame to backrest frame, a plastic disk must always be placed between lumbar support frame and backrest frame when doing so => [ Riveting four-way lumbar support to lumbar support
frame ].
- Remove plastic foil between backrest cushion and lumbar support.
- Press Velcro fastener of lumbar support on backrest cushion.
- Connect electrical harness connectors to motors for lumbar adjustment.
5 Actuator for lumbar height adjustment
• Removing and Installing => [ Lumbar Support Adjustment Motors, New Version ]
6 Assembly safety guard
For centering lumbar support to lumbar support frame
7 Rivet
• Rivet using special pop rivet pliers (V.A.G 1753 A)
• Before riveting, plastic disk must be inserted between lumbar support and lumbar support frame
8 Plastic washer
9 Lumbar support curvature adjustment motor
• Removing and Installing => [ Lumbar Support Adjustment Motors, New Version ]
10 Fastening strips
Secure lumbar support using the assembly safety guard and secure plastic foil to lumbar support
- Place a plastic foil - 1 - over Velcro strips - 2 - of lumbar support. Secure plastic foil to lumbar support.
- Make sure lumbar support is secured to lumbar support frame using the transport protection device - 3 - or suitable pin.
Riveting four-way lumbar support to lumbar support frame
- Before securing rivet - 4 -, a plastic disk - 1 - must be placed between lumbar support - 2 - and backrest frame - 3 -.