Lumbar Cushion on Front Seat

52 14 050 - Replacing lumbar cushion on front left or right seat





Necessary preliminary tasks:
- Remove rear panel on front 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 Front Seat, Normal, Manual.