GM Service Manual Online
For 1990-2009 cars only

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

Removal Procedure

    Important: Do not attempt repairs in order to correct lock cylinder discrepancies. Replace the lock cylinder.


    Object Number: 314808  Size: SH
  1. Remove the front door outside door handle. Refer to Front Side Door Outside Handle Replacement .
  2. Remove the lock cylinder retainer clip (2).
  3. Remove the lock cylinder from the outside door handle.

Installation Procedure


    Object Number: 314808  Size: SH
  1. Install the lock cylinder to the outside door handle.
  2. Install the lock cylinder retainer clip (2).
  3. Install the front door outside door handle. Refer to Front Side Door Outside Handle Replacement .