GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2003 🢒 Grand Am 🢒 Body and Accessories 🢒 Doors 🢒 Rear Door Lock Replacement

Removal Procedure
  1. Remove the rear door trim panel. Refer to Rear Side Door Trim Panel Replacement .
  2. Remove the rear door water deflector. Refer to Rear Side Door Water Deflector Replacement .
  3. Remove the inside door handle. Refer to Door Inside Handle Replacement .

    4. Object Number: 315760 Size: SH
  4. Remove the rear door lock screws (1, 2, 3).

    5. Object Number: 736509 Size: MH
  5. Remove the rear door outside handle. Refer to Front Side Door Outside Handle Replacement .
  6. Disconnect the electrical connector to the power lock.
  7. Pivot the outside edge of the door lock forward and remove the door lock rod (1).
  8. Pivot the door lock in the opposite direction and remove the inside handle rod (2).
  9. Remove the door lock.

Installation Procedure

    Object Number: 736509 Size: MH
  1. Position the lock in the rear door.
  2. Pivot the outside edge of the door lock rearward and connect the inside handle rod (2).
  3. Pivot the opposite way and connect the door lock rod (1).
  4. Connect the electrical connector to the power lock.
  5. Install the rear door outside handle. Refer to Front Side Door Outside Handle Replacement .

    6. Object Number: 315760 Size: SH

    Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  6. In the sequence shown (1, 2, 3), install the rear door lock screws.

    7. Tighten
    Tighten the rear door lock screws to 10 N·m (89 lb in).

  7. Install the inside door handle. Refer to Door Inside Handle Replacement .
  8. Install the rear door water deflector. Refer to Rear Side Door Water Deflector Replacement .
  9. Install the rear door trim panel. Refer to Rear Side Door Trim Panel Replacement .