Module Carrier With Air Cushions For Lumbar Support

Module Carrier with Air Cushions for Lumbar Support

Special tools, testers and auxiliary items required

• Drill

• Protective eyewear

Removing






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

- Remove backrest blower fan. Refer to => [ Backrest Blower Fan V388/V389 ] Backrest Blower Fan V388/V389.

- Remove backrest cover together with backrest cushion. Refer to => [ Backrest Cover with Backrest Cushion - Multi-contour Seat ] Backrest Cover With Backrest Cushion - Multi-Contour Seat.

Eye injury risk.

• Wear protective eyewear!

- Drill out the rivet - 1 - from the pulsation damper - 2 -.

- Disconnect harness connector - 5 - and free up electrical wire at the module carrier.






- Push front multi-contour seat control module - 3 - up slightly for the detachment at the module carrier - arrow -.

- Disconnect the pneumatic lines - 4 - to the lumbar support air cushions.

• Ignore - 1 and 2 -.

- Disconnect pneumatic lines to the lumbar support air cushions at the following points. Refer to => [ Disconnecting and Connecting Pneumatic Lines ] Disconnecting and Connecting Pneumatic Lines:






a 40 mm
b 40 mm
c 40 mm

- Set aside the multi-contour front seat control module together with the remaining connected pneumatic lines.

• Original replacement parts are delivered with short sections of line to which pneumatic lines with line connectors are connected.

• Before disconnecting the pneumatic lines, transfer the length of the sections of line from the original spare part to the part to be removed and disconnect at exactly this point.

- Cut cable ties, free up wiring harness and free up pneumatic lines on the lumbar support module carrier.

- Remove the screw - 1 -.






- Move the module carrier - 2 - with the lumbar support air cushions toward the front, disengage is from the backrest frame - 3 - - arrows - and remove it.

Installation

Install in reverse order of removal. Note the following:

Information for installation: for example tightening specifications, replacing body parts, refer to => [ Front Multi-contour Seat Control Module, Lumbar Support air Cushion Module Carrier and Backrest Fan Assembly Overview ] Front Multi-Contour Seat Control Module, Lumbar Support Air Cushion Module Carrier and Backrest Fan Assembly Overview.