GM 12456233
Lock Cylinder, Rear

Open the rear compartment to start the replacement procedure by removing the back up lamp. Unclip the latch release cable from the lid lock cylinder and remove these fasteners which attach the lid lock cylinder to the rear compartment lid. Put the new lid lock cylinder into position on the rear compartment lid then fix it according to fastener notice directions. Place the lid lock cylinder into position on the rear compartment lid then fasten it using the provided fasteners. Throughout this step tighten each fastener until they reach 80 pound inch settings. Use the latch release cable to mount it back on the lid lock cylinder. Then put the back up lamp in its original place. Test the lock cylinder's performance before putting the rear compartment shut.

Before working on the lock you must first open the rear storage area and remove the back up lamp. Untwine the latch release cable from the lid lock cylinder then undo all fasteners which anchor this part to the rear compartment lid. Take out the lid lock cylinder through its location on the rear compartment lid. Place the lid lock cylinder onto the rear compartment lid before you install it according to fastener notice instructions. Put the fasteners into the lid lock cylinder and tighten them to 80 pounds of force (9 N.m). Secure the locking cable into the lid lock unit and put back the back up lamp. After testing the cylinder movement check its performance and put the rear compartment closed.

Take out the retainer clip and then the lock cylinder, followed by the lock rod.

Install the retainer clip.

Reattach the latch release cable to the lid lock cylinder.

Remove the lock rod.

Open the rear compartment and remove the backup lamp.

Insert the lock cylinder into the outside door handle.

The retainer clip.