Front Door Window Regulator: Service and Repair

51 33 000 - Removing and installing/replacing power window unit in left or right front door





Necessary preliminary tasks:
- Remove front door window glass Service and Repair





Slacken screws (1)
Slacken screw (2) and remove retaining clip (3).
Tightening torque 51 33 2AZ [1][2]51 32 Front Door Windows.





Installation:
Make sure guide (1) is correctly seated when fitting retaining clip (2).





Release cable tie (1).
Disconnect plug connection (2).
Release screws on power window unit above bores (3).
Tightening torque 51 33 2AZ [1][2]51 32 Front Door Windows.





Removal of power window:
1. Feed out rear window lift rail
2. Feed out front window lift rail





Replacement:
Release screws (1) and detach flat motor (2).
Tightening torque 51 33 1AZ [1][2]51 32 Front Door Windows.





Note:
To activate the anti-trapping mechanism, a normalization must be carried out after the power window unit has been installed.
Operating sequence for normalization:
- Open corresponding window completely.
- Operate corresponding power window switch in "Close" position (second switch stage).
- Once the upper end position has been reached, hold power window switch in position for approx. 500 secs. longer.
- Carry out function check (one-touch function, anti-trapping protection and, if necessary, comfort function).