To prolong the life of the lock and to avoid jamming, it is necessary to periodically lubricate its mechanical part (see «Lubrication of hinges and locks»).
Execution sequence
1. We prepare the car for work (see «Preparing the car for maintenance and repair»).
2. Remove the upholstery of the front door (see «Front door upholstery - removal and installation»).
3. Remove the inner door handle (see «Interior door handle - replacement»).
4. Remove the outer door handle and handle bracket (see «External door handle - replacement»). Disconnect the lock cable from the bracket.
5. Press the latch and disconnect the block of the wiring harness from the lock.
6. Using the TORX T30 key, unscrew the three fastening screws and remove the lock.
Recommendation. Lubricate the lock mechanism with grease and apply threadlocker to the lock screws.
7. We install the parts in the reverse order.
Recommendation. After installing the lock, check the ease and tightness of the door closing. Adjust the lock if necessary.
8. We mark the position of the lock latch so that you can return to the original installation.
9. Using the TORX T40 key, loosen the two bolts securing the lock retainer.
10. By moving the latch back and forth and to the right and left, we achieve easy and tight closing of the door.
11. At the end of the adjustment, tighten the screws securing the lock retainer to the prescribed torque of 22 Nm.