Door locks use the fork bolt lock design which includes a safety interlock feature. The door is secured in a closed position when the lock fork bolt engages the striker. The doors can be locked from the inside by sliding the lock knob rearward.

Important: Do not attempt repairs to correct the lock discrepancies. Make corrections through replacement of lock.

1. Remove the trim panel. Refer to Rear Side Door Trim Panel Replacement .
2. Remove the water deflector. Refer to Rear Side Door Water Deflector Replacement .



3. Remove the outside handle rod from the lock.



4. Remove the inside handle rods at the inside door handle.
5. Remove the clip securing the inside handle rods from the door.
6. Remove the door lock screws (1,2,3) .
7. Remove the lock from the door with the inside handle rods attached to the lock.
8. Disconnect the electrical connectors from the door lock.
9. Remove the inside handle rods from the lock.

1. Install the inside handle rods to the lock.
2. Install the door lock in position through access the hole in the door inner panel.
3. Connect the electrical connectors to the door lock.

Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

Important: Loctite® Blue GM P/N 12345382 or equivalent should be used prior to the fastener installation.

4. Install the door lock screws (1,2,3) in the proper fastener tightening sequence as shown in graphic, top (1), then bottom (2) and middle (3).

Tighten
Tighten the door lock screws to 10 N·m (89 lb in).




5. Position a NEW outside handle rod-to-lock clip onto the door lock lever.

5.1.	Position the outside door handle rod in the clip to eliminate any free play in the outside door handle.

5.2.	Press the clip cover closed over the threaded outside door handle rods.

6. Install the clip to the inside handle rods.
7. Install the inside handle rods to the inside door handle.
8. Install the water deflector. Refer to Rear Side Door Water Deflector Replacement .
9. Install the trim panel. Refer to Rear Side Door Trim Panel Replacement .
10. Inspect the lock system for proper operation.