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For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 1998 🢒 DeVille 🢒 Body and Accessories 🢒 Doors 🢒 Door Latch Replacement

Door Latch Replacement DeVille

Removal Procedure

Caution: This vehicle is equipped with a Supplemental Inflatable Restraint (SIR) System. Failure to follow the correct procedure could cause the following conditions:

   • Air bag deployment
   • Personal injury
   • Unnecessary SIR system repairs
In order to avoid the above conditions, observe the following guidelines:
   • Refer to SIR Component Views in order to determine if you are performing service on or near the SIR components or the SIR wiring.
   • If you are performing service on or near the SIR components or the SIR wiring, disable the SIR system. Refer to Disabling the SIR System.

Caution: In order to prevent SIR deployment, personal injury, or unnecessary SIR system repairs, do not strike the door or the door pillar in the area of the side impact sensor (SIS). Turn OFF the ignition and remove the key when performing service in the area of the SIS.

  1. Disable the SIR system. Refer to Disabling the SIR System .
  2. Remove the door trim panel. Refer to Front Side Door Trim Panel Replacement .
  3. Remove the water deflector. Refer to Door Water Deflector Replacement .

    4. Object Number: 319720 Size: MH
  4. Remove the following components from the latch/lock module:
    5. • The outside handle
    • The key cylinder lock rods
  5. Remove the fasteners (2) securing the latch/lock module to the door.
  6. Drill out the rivets retaining the window to the regulator sash. Refer to Door Window Replacement .
  7. Disconnect the wire harnesses from the following components:
    8. • The lock
    • The window motor
    • The door module
  8. Remove the fasteners (4,5) securing the door module to the door.
  9. Remove the door module (1) with the latch/lock module (3) connected by the linkage.

Installation Procedure

    Object Number: 319720 Size: MH
  1. Position the door module (1) and latch/lock (3) to the door. Perform the following steps.
    2. 1.1. Hang the module on the studs.
    1.2. Hand start the fasteners (5) securing the door module to the door.

    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 fasteners that retain the latch to the door.

    3. Tighten
    Tighten the fasteners (2) to 10 N·m (89 lb on).


    Object Number: 319769 Size: SH
  3. Tighten the fasteners in the proper sequence as shown in the illustration.

    4. Tighten

        • Tighten the nuts to 10 N·m (89 lb in).
        • Tighten the bolts to 10 N·m (89 lb in).
  4. Connect the wiring harness.
  5. Install the rivets retaining the window to the sash.
  6. Install the following components to the latch.
    7. • The outside handle
    • The lock rods
  7. Install the water deflector. Refer to Door Water Deflector Replacement .
  8. Enable the SIR system. Refer to Enabling the SIR System .
  9. Install the trim panel. Refer to Front Side Door Trim Panel Replacement .

Door Latch Replacement Eldorado

Removal Procedure
  1. Remove the door trim panel. Refer to Door Trim Panel Replacement .
  2. Remove the water deflector. Refer to Door Water Deflector Replacement .

    3. Object Number: 319824 Size: SH
  3. Remove the following components from the lock:
    4. • The outside handle
    • The key cylinder lock rods
  4. Remove the 3 screws securing the lock to the door.

    5. 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.

  5. Position the window in order to access the window sash bolts.
  6. Remove the 3 sash to window bolts.
  7. Disconnect the wire harnesses from the following components:
    8. • The lock
    • The window motor
    • The module (3)
  8. Remove the following components:
    9. • The nuts (2)
    • The bolts (1)
  9. Remove the door module (3).

Installation Procedure

    Object Number: 319913 Size: MH
  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 
       • The bolts 
  2. Install the 3 fasteners retaining the lock to the door.

    3. Object Number: 319829 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.

  3. Tighten the following components in the proper sequence as shown in the illustration:
    4. 3.1. The nuts 
    3.2. The bolts 

    Tighten

        • Tighten the nuts to 10 N·m (89 lb in).
        • Tighten the bolts to 10 N·m (89 lb in).
  4. Connect the wiring harness.
  5. Install the window sash bolts.
  6. Install the following components to the lock:
    7. • The outside handle
    • The lock rods
  7. Install the water deflector. Refer to Door Water Deflector Replacement .
  8. Install the trim panel. Refer to Door Trim Panel Replacement .