GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2003 🢒 Seville 🢒 Body and Accessories 🢒 Wiring Systems 🢒 Front Side Door Latch Replacement

Removal Procedure
  1. Place the window in the full up position.
  2. Remove the door trim panel. Refer to Front Side Door Trim Panel Replacement .
  3. Remove the water deflector. Refer to Front Side Door Water Deflector Replacement .

    4. Object Number: 576945 Size: SH
  4. Disconnect the electrical connectors (1).
  5. Disconnect the retainer clip securing the inside door handle cable to the inner door panel.

    6. Object Number: 291146 Size: SH
  6. Disconnect the lock cylinder rod (driver's door only).

    7. Object Number: 507065 Size: SH
  7. Disconnect the outside door handle rod (1) from the door latch retainer clip (2).

    8. Object Number: 105391 Size: SH
  8. Remove the lock knob from the rod by twisting counterclockwise the knob.

    9. Object Number: 576945 Size: SH
  9. Remove the three fasteners (4) from the door latch.
  10. Remove the door latch  (3) from the door.

Installation Procedure

    Object Number: 576945 Size: SH
  1. Connect the electrical connectors (1).
  2. Install the door latch (3) into the door.
  3. Connect the retainer clip to the door for the inside door handle cable.
  4. Route the door lock knob into position.

    5. 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.

  5. Install the three fasteners in order to secure the door latch to the door.

    6. Tighten
    Tighten the fasteners to 10 N·m (89 lb in).


    Object Number: 105412 Size: SH
  6. Connect the outside door handle rod to the latch in the following order:
    7. 6.1. Insert the rod (1) into the retainer clip (2) on the door latch assembly.
    6.2. Close the clip (2).

    Object Number: 291146 Size: SH
  7. Install the lock cylinder rod (driver's door only).

    8. Object Number: 105391 Size: SH
  8. Install the lock knob by turning clock-wise onto the lock rod.
  9. Inspect the door handle and lock cylinder for proper operation.
  10. Install the water deflector. Refer to Front Side Door Water Deflector Replacement .
  11. Install the door trim panel. Refer to Front Side Door Trim Panel Replacement .