C 1500 Yukon 2WD V8-5.3L VIN Z Flex Fuel (2003)
Trunk / Liftgate Lock Cylinder: Service and Repair
Lock Cylinder Replacement - Lift Gate
Removal Procedure
1. Remove the trim panel.
2. Remove the liftgate window latch assembly.
3. Depress the locking pin on the lock cylinder.
4. Turn lock cylinder counterclockwise.
5. Remove the liftgate lock cylinder from the latch assembly.
Installation Procedure
1. Install the liftgate lock cylinder to the latch assembly.
2. Rotate lock cylinder clockwise until the pin engages.
3. Install the trim panel.
4. Install the liftgate window latch assembly.