GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2001 🢒 Firebird 🢒 Body and Accessories 🢒 Lighting Systems 🢒 Door Lock Replacement

Removal Procedure
  1. Raise the window.
  2. Remove the front side door trim panel. Refer to Door Lock Striker Adjustment .
  3. Remove the water deflector as needed. Refer to Door Water Deflector Replacement .

    4. Object Number: 378854 Size: MH
  4. Remove the lock cylinder rod (5) from the lock cylinder pawl clip (4).
  5. Remove the lock cylinder retainer (2) using a flat-bladed tool to slide the retainer upward.
  6. Remove the door lock cylinder (1) from the door (3).
  7. Remove the lock cylinder gasket (2) from the door (3).

Installation Procedure

    Object Number: 378854 Size: MH
  1. Install the new lock cylinder gasket (2) to the door (3).
  2. Install the door lock cylinder (1) to the door (3).
  3. Install the lock cylinder retainer (2) by using a small flat-bladed tool to slide the retainer downward into place.
  4. Install the lock cylinder rod (5) to the lock cylinder pawl clip (4).
  5. Install the water deflector. Refer to Door Water Deflector Replacement .
  6. Install the front side door trim panel. Refer to Door Lock Striker Adjustment .
  7. Lower the window.