GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Oldsmobile 🢒 2003 🢒 Alero 🢒 Body and Accessories 🢒 Doors 🢒 Door Lock Replacement

Removal Procedure
  1. Remove the front door trim panel. Refer to Front Side Door Trim Panel Replacement .
  2. Remove the front door water deflector. Refer to Front Side Door Water Deflector Replacement .
  3. Remove the front door window rear run channel bolt. Refer to Front Side Door Window Rear Channel Replacement .
  4. Lift the channel up to disengage the top clip and remove the window rear run channel from the door.
  5. Remove the front door inside door handle. Refer to Door Inside Handle Replacement .

    6. Object Number: 736508 Size: MH
  6. Remove the front door outside door handle. Refer to Front Side Door Outside Handle Replacement .

    7. Object Number: 315760 Size: SH
  7. Remove the front door lock retaining screws (1,2,3).
  8. Remove the lock from the front door.

    9. Object Number: 316109 Size: MH
  9. Disconnect the electrical connectors to the lock actuator.
  10. Remove the inside handle rod.
  11. Remove the inside handle lock rod.
  12. Remove the outside handle lock rod.

Installation Procedure

    Object Number: 316109 Size: MH
  1. Install the inside handle rod.
  2. Install the inside handle lock rod.
  3. Install the outside handle lock rod.
  4. Connect the electrical connectors to the lock actuator.

    5. Object Number: 315760 Size: SH
  5. Position the front door lock in the door.

    6. 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. Install the door lock screws.

    7. Tighten
    In the sequence shown (1, 2, 3), tighten the door lock screws to 10 N·m (89 lb in).

  7. Install the front door outside door handle. Refer to Front Side Door Outside Handle Replacement .

    8. Object Number: 736508 Size: MH
  8. Install the front door inside door handle. Refer to Door Inside Handle Replacement .
  9. Install the front door window rear run channel in the door. Refer to Front Side Door Window Rear Channel Replacement .
  10. Install the front door window rear run channel bolt.

    11. Tighten
    Tighten the door window rear run channel bolt to 6 N·m (53 lb in).

  11. Install the front door water deflector. Refer to Front Side Door Water Deflector Replacement .
  12. Install the front door trim panel. Refer to Front Side Door Trim Panel Replacement .