1. Remove the trim panel, as necessary. Refer to Rear Door Trim Panel Replacement .
2. Pull back the water deflector, as necessary. Refer to Water Deflector Replacement .



3. Disconnect the lock cylinder rod from the rod clip.
4. Remove the outside handle nuts.
5. Remove the outside handle.
6. Disconnect electrical connector if required.
7. Remove actuator cable.
8. Remove the door lock cylinder. Refer to Door Lock Cylinder Replacement in Doors.
9. Complete the necessary procedures:

•	For repair of a binding lock cylinder, refer to Lock Cylinder Binding .

•	For coding a new lock cylinder, refer to Key and Lock Cylinder Coding in General Information.

Important: When installing a new lock cylinder, apply GM P/N 12345120 (Canadian  P/N 726548) lubricant, or a similar lubricant to the inside of the lock case and the cylinder keyway.

1. Install the door lock cylinder. Refer to Door Lock Cylinder Replacement in Doors.
2. Install the actuator cable.
3. Connect the electrical connector if required.
4. Install the handle assembly.

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.

5. Install the outside handle mounting nuts.

Tighten
Tighten the nuts to 9 N·m (80 lb in).




6. Connect the lock cylinder rod to the rod clip.
7. Install the water deflector, as necessary. Refer to Water Deflector Replacement .
8. Install the trim panel, as necessary. Refer to Rear Door Trim Panel Replacement .