52 14 050 Replacing Lumbar Cushion on Front Left or Right Seat

52 14 050 Replacing Lumbar Cushion On Front Left Or Right Seat







Necessary preliminary tasks:
- Remove rear panel on rear seat backrest







Remove valve housing in direction of arrow from backrest frame.

Installation:
Check that valve housing is correctly seated.







Unlock quick connectors and detach air hoses (1).

Valve unit for lumbar support:
1. Hose (blue/red), lumbar cushion

Installation:
Connections are coded against incorrect installation.







Disengage backrest cover at bottom and side left or right from backrest frame.
Detach lumbar cushion (1) from spring wire.

Installation:
Hook lumbar support cushion (1) over second and fourth wires.
Remove lumbar cushion (1) sideways between backrest frame and padding.







Installation:
Check lumbar cushion at top (1) and bottom (2) for damage.
Air hoses (3) must be laid without kinks.







NOTE: Carry out function test.