Replacing Lumbar Cushion on Left or Right Rear Seat

52 25 049 - Replacing lumbar cushion on left or right rear seat





Necessary preliminary tasks:
- Remove rear seat Removing and Installing/Replacing Left or Right Rear Seat.
- Remove rear panel Removing and Installing/Replacing Rear Panel on Rear Seat Backrest on rear seat backrest.
- Remove valve housing Removing and Installing/Replacing Valve Housing for Lumbar Cushion for lumbar support.





Detach backrest cover at bottom from backrest frame.
Remove air hoses (1) from backrest frame.

Disconnect air hoses (1) from valve housing.

Note:
Heat air hoses gently if they are firmly seated on valve housing.

Housing of valve block must not be unclipped (leakage). If necessary, release mounting and clip housing together.

Detach lumbar cushion (3) from spring wire (2).
Remove lumbar cushion (3) towards bottom.

Installation:
Make sure air hoses are correctly connected to valve block (color coding).

Air hoses must be laid without kinks.

Check lumbar cushion for damage.