67 31 640 Removing and installing/replacing drive for backrest head adjustment (comfort seats in rear compartment)
Necessary preliminary tasks
- Remove left or right rear seat . See 52 25 135 REMOVING AND INSTALLING/REPLACING SEAT BACKREST FRAME FOR LEFT REAR SEAT or 52 25 137 REMOVING AND INSTALLING/REPLACING BACKREST FRAME .
Detach backrest cover (1) from metal eyelets.
Unfasten plug connection (2) and disconnect.
Pull shaft (2) in direction of arrow out of drive.
Installation:
Ensure shaft (2) is correctly seated in drive locator.
Release retaining rings (1).
Remove drive for backrest head adjustment from backrest frame.
Release retaining rings (1).
Pull shaft (2) in direction of arrow out of drive.
Installation:
Ensure shaft (2) is correctly seated in drive locator.
Remove drive for backrest head adjustment from backrest frame.
NOTE:
- Carry out FUNCTION CHECK WITH ADAPTER CABLE .
Replacement only:
INITIALIZE drive unit for backrest head adjustment.