GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2006 🢒 LaCrosse 🢒 Body 🢒 Lighting Systems 🢒 Front Side Door Lock Replacement

Removal Procedure

    Object Number: 1350838 Size: SH
  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. Important: The outside handles have adjustable outside handle lock rods. This allows for adjustment of the amount of travel needed in order to operate the outside handle.

    When servicing a vehicle with adjustable outside handle lock rods, remove all free play between the outside handle and the lock. Also, do not operate the outside handle before these connections are made.

  3. Open the outside handle rod to lock clip located on the door lock.

    4. The outside handle rods should be loose from the lock.

  4. Remove the lock cylinder rod from the outside door handle. Refer to Door Lock Cylinder Replacement .

    5. Object Number: 1363738 Size: SH

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

  5. Remove the screws from door lock.
  6. Remove the door lock and cable through the access hole in the door inner panel.
  7. Disconnect the electrical connector from the lock.
  8. Remove the lock and cable from the door.

Installation Procedure
  1. Install the lock and cable to the door.
  2. Connect the electrical connector to the lock.
  3. Install the lock and cable through the access hole in the door inner panel.

    4. Object Number: 1363738 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.

  4. Install the screws to the door lock.

    5. Tighten
    Tighten the screws to 10 N·m (89 lb in).

  5. Install the lock cylinder rod to the outside door handle. Refer to Door Lock Cylinder Replacement .

    6. Object Number: 1350838 Size: SH
  6. Install the outside handle rod into the clip.
  7. Close the clip over the outside handle rod.
  8. Install the inside door handle. Refer to Front Side Door Inside Handle Replacement .
  9. Inspect the door for proper operation.
  10. Install the front door water deflector. Refer to Front Side Door Water Deflector Replacement .
  11. Install the front door trim panel. Refer to Front Side Door Trim Panel Replacement .