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 discrepancies. Replace the lock.

  1. Remove the outside handle. Refer to Front Side Door Outside Handle Replacement .

  2. Object Number: 308341  Size: SH
  3. Remove the lock cylinder retainer clip.
  4. Remove the lock from the handle.

Installation Procedure


    Object Number: 308341  Size: SH
  1. Install the lock to the handle.
  2. Install the lock cylinder retainer clip.
  3. Install the outside handle. Refer to Front Side Door Outside Handle Replacement .