GM 12458205
Lock Cylinder, Rear

Open the rear compartment lid and take off the trim around the compartment lid as your first step. Then, take away the back up lamp and separate the latch release cable from the lid lock cylinder . After taking off the retainer clip that keeps the lid lock cylinder in place, take out the lid lock cylinder from the rear compartment lid. Place the lid lock cylinder back in the rear compartment lid and use the retainer clip to keep it in place. After hooking the latch release cable to the lid lock cylinder , put the back up lamp in place and attach the rear compartment lid trim. Then, close the rear compartment lid.

You need to open the rear compartment lid then detach the compartment lid trim pieces to access the lock cylinder. Start by detaching the back up lamp before disconnecting the latch release cable from the lid lock cylinder. Pull off the small metal clip which holds the lid lock cylinder at its position on the rear compartment lid to access the cylinder. Reposition the lid lock cylinder inside the rear compartment lid after inserting it and add the retainer clip. Reattach the latch release cable to the lid lock cylinder and return the back up lamp and rear compartment lid trim while putting the lid back in its position.

Position the lid lock cylinder back into the rear compartment lid and secure it with the retainer clip.

Reinstall the front door trim panel (part number WC2, WC8).

Snap the new lock cylinder into the outside door handle from the backside.

Reconnect the latch release cable to the lid lock cylinder, reinstall the backup lamp, and put the rear compartment lid trim back in place.

Follow the proper coding procedure for the key and lock cylinder.

Remove the outside door handle.