52 14 060 Removing and Installing or Replacing Valve Housing For Lumbar Cushion

52 14 060 Removing And Installing Or Replacing Valve Housing For Lumbar Cushion







Necessary preliminary tasks:
- Remove rear panel on front seat







Detach backrest cover (1) from backrest frame.







Remove valve housing (2) for lumbar support in direction of arrow from backrest frame.

Installation:
Check valve housing for correct seating in backrest frame.







Unfasten plug connection (1) and disconnect.
Unlock quick connector and detach air hoses (3) and (4 and 5) from valve housing (2).

Valve unit for lumbar support:
(3) Hose (clear), lumbar drive
(4) Hose (blue), top lumbar cushion
(5) Hose (red), bottom lumbar cushion

NOTE: Connections are coded against incorrect assembly.







NOTE: Carry out function test