Front Multicontour Seat Control Module, Lumbar Support air Cushion Module Carrier and Backrest Fan Assembly Overview

Front Multicontour Seat Control Module, Lumbar Support air Cushion Module Carrier and Backrest Fan Assembly Overview






1 Sealing ring

• For blower fan

• If equipped

2 Module carrier

• Module carrier with air cushions for lumbar support

• Cannot be disassembled

• Removing and Installing, refer to => [ Module Carrier with Air Cushions for Lumbar Support ] Module Carrier with Air Cushions for Lumbar Support

• Connect the pneumatic lines. Refer to => [ Pneumatic Lines Disconnecting and Connecting ] Pneumatic Lines Disconnecting and Connecting

3 Rubber bushing

• for multi-contour seat control module

• Quantity: 3

4 Driver side multicontour seat control module (J873)

• Front passenger side right front multicontour seat control module (J872)

• The connection for the restrictor is deleted on the Original Replacement Part with an integrated check valve and the separate check value must be removed. Refer to the => Parts Catalog

• Removing and Installing, refer to => [ Multi-Contour Seat Control Modules J873/J872 ] Multi-Contour Seat Control Modules J873/J872

• Connect the pneumatic lines. Refer to => [ Pneumatic Lines Disconnecting and Connecting ] Pneumatic Lines Disconnecting and Connecting

5 Check valve

• Depending on the version, separate component or integrated in the multi-contour seat control module

• Remove the external check valve if installing a multicontour seat control module that contains a check valve. Refer to the => Parts Catalog.

• Installation position: arrow on the check valve must point to the control module

• Removing and Installing, refer to => [ Check Valve ] Check Valve

• Connect pneumatic lines and check for secure locking

6 Bolt

• 6.5 Nm

7 Backrest Frame

8 Plastic Washer

• Insert in front of the lumbar support bolting between lumbar support bracket and backrest frame

9 Driver seat backrest blower fan (V388)

• Front passenger side front passenger seat backrest blower fan (V389)

• If equipped

• Removing and Installing, refer to => [ Backrest Blower Fan V388/V389 ] Backrest Blower Fan V388/V389

10 Rubber mount

• For blower fan

• Quantity: 4