Front Door Latch: Service and Repair

51 21 090 Removing And Installing/Replacing Door Lock In Left Or Right Front Door

Necessary preliminary tasks:
- Remove door trim panel
- Release rear guide rail of power window
- Release cable on inside door handle

Driver's side only:
- Remove outside door handle







Passenger side only:
Pull door handle cable (1) downwards to disconnect cable from door locking lever (2).
Disconnect door handle cable (1).

Installation: Make sure cable is correctly routed.







Release Bowden cable from clips (1 and 2).
Remove grommet (3) of Bowden cable from inner door panel.
Feed Bowden cable back through opening.







Driver's side only:
Remove rubber plug (1) and screw (2).

3AZ Door lock cylinder to front door 6 Nm







Detach plug connector (1) from door lock.
Remove linkage (2) from door lock.







Release screws (1).

4AZ Door lock to front door 6 Nm






Driver's side only:
Release lock cylinder (1) on outer side of door.
Remove door lock and lock cylinder (1) from door.

Installation: Make sure lock cylinder is correctly connected to door lock.

Passenger side only:
Remove door lock.

Installation: Before being installed in the door, the guide of the door lock cable must be correctly positioned.







Replacement:
Remove screw (1) and then door lock lever (2).

5AZ Door locking lever to door lock 3 Nm

Remove cable guide (3).







Remove cover (1).
Remove outer Bowden cable (2) from door lock.
Remove inner Bowden cable (3) from door lock.