Removing and Installing/Replacing Drive Unit For Head Restraint Adjustment (Comfort Seat)

67 31 540 Removing And Installing/replacing Drive Unit For Head Restraint Adjustment (comfort Seat)







Necessary preliminary tasks:
- Remove both rear panels on front seat backrest







Disconnect plug connection (1).
Release screw (2).
Tightening torque 67 31 4AZ .







Pull shaft (1) in direction of arrow out of shaft receptacle (2).

Installation:
Make sure shaft (1) is correctly seated in receptacle (2).

Release retaining ring (3).
Feed out drive unit for backrest head adjustment (4) and remove.







Removal and installation only:
Do not turn spindle (1) in order not to change measurement A.

Replacement:
Adopt measurement A of removed drive unit for backrest head adjustment (2). If necessary, adjust measurement A by turning spindle (1).

Initialize drive unit for backrest head adjustment.