52 17 130 Replacing Lumbar Support Set on Left

52 17 130 Replacing lumbar support set on left







Necessary preliminary tasks:
- Removing seat cover with upholstery.
- Partially remove backrest cover







NOTE: Pressure distributor and pneumatic pockets form a single unit and can only be replaced as a single component.







Lever out clips (2).
Thread out valve holder (1).

Installation note:
Replace faulty clips.







Unlock plug connections (1) and disconnect.
Open quick connectors (2) and remove pressure lines.







Unclip complete holder (1) for pressure lines from seat mechanism.

Installation note:
Replace faulty clips.







Release screws (1).
Partially remove belt deflection to simplify removal.







Unclip pneumatic pockets (1) with supports on left and right from flexmat.
Feed pneumatic pockets (1) through flexmat towards bottom.







Open quick connectors (1) and remove pressure line.
Thread out hose through backrest frame.







NOTE:
- Carry out function check with adapter cable