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 front seat Removing and Installing Left or Right Front Seat.
- Remove both rear panels on front seat backrest Removing and Installing/Replacing Both Rear Panels on Left or Right Front Seat Backrest (Comfort).





Pull backrest cover (1) in direction of arrow over metal lugs (2) and detach.
If necessary, detach backrest cover (1) on both sides from backrest frame.





Note:
For purposes of clarity, illustration shows backrest cover removed.

Release screw connections (1) on AKS carrier.





Move AKS carrier (1) in direction of arrow.
Unhook backrest cover (2) on backrest frame (3).





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

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

Disconnect plug connection (3).

Remove circlip (4).
Feed out drive unit for backrest head adjustment (5) and remove.





Removal and installation only:
Do not turn spindle (1) in order not to change measurement A.
Replacement only:
Adopt measurement A of removed drive unit for backrest head adjustment (2). If necessary, adjust measurement A by turning spindle (1).





Replacement:
Initialize Programming and Relearning drive unit for backrest head adjustment.