GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2002 🢒 Eldorado 🢒 Body and Accessories 🢒 Doors 🢒 Door Latch Replacement

Removal Procedure

    Caution: Disconnect the power window switch when working inside the driver door. When operated, the Express Up/Down Feature allows the door window to move very quickly, without stopping, which could cause personal injury.

  1. Remove the door trim panel. Refer to Door Trim Panel Replacement .
  2. Remove the water deflector. Refer to Door Water Deflector Replacement .
  3. Remove the window. Refer to Door Window Replacement .

    4. Object Number: 657121 Size: SH
  4. Disconnect the retainer from the outside handle and key cylinder rods.
  5. Remove the following components from the lock:
    6. • The outside handle rods
    • The key cylinder lock rods

    Object Number: 655604 Size: SH
  6. Remove the 3 fasteners (1,2,3) securing the lock to the door.

    7. Object Number: 655600 Size: SH
  7. Disconnect the electrical connectors (1) from the following components:
    8. • The lock (2)
    • The window motor
    • The module

    Object Number: 319824 Size: SH
  8. Remove the following components:
    9. • The nuts (2)
    • The bolt (1)
  9. Remove the door module (3).

Installation Procedure

    Object Number: 319824 Size: SH
  1. Position the lock module (3) to the door. Perform the following steps:
    2. 1.1. Hang the module (3) on the studs.
    1.2. Hand start the following components:
       • The nuts (2)
       • The bolt (1)

    Object Number: 655604 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.

  2. Install the 3 fasteners (1,2,3) retaining the lock to the door.

    3. Important: Pull the door module assembly rearward prior to torquing the lock fasteners in order to prevent cross threading or stripping of the threads.

  3. Hold the lock assembly firmly in place on the door.

    4. Tighten
    Tighten the fasteners in sequence, as shown in the illustration to 10 N·m (89 lb in).


    Object Number: 319829 Size: SH
  4. Install the door module fasteners.
  5. Tighten the following components in the proper sequence.

    6. Tighten

        • Tighten the nuts to 6 N·m (53 lb in).
        • Tighten the bolt to 6 N·m (53 lb in).

    Object Number: 655600 Size: SH
  6. Connect the electrical connectors (1).
  7. Install the following components to the lock:
    8. • The outside handle
    • The lock rods
  8. Install the window. Refer to Door Window Replacement .
  9. Install the water deflector. Refer to Door Water Deflector Replacement .
  10. Install the trim panel. Refer to Door Trim Panel Replacement .