GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

    Important: Do not apply battery voltage to a new sunroof motor/actuator prior to installing the motor/actuator to the sunroof module assembly. The sunroof window must be in the full closed position.

  1. If possible, close the sunroof window before removing the sunroof motor/actuator.
  2. Lower the formed headliner at the rear in order to access the sunroof motor/actuator. Refer to Headlining Trim Panel Replacement in Interior Trim.

  3. Object Number: 468357  Size: SH
  4. Disconnect the electrical connectors (3) from the sunroof motor/actuator (1).
  5. Remove the bolts (5) securing the sunroof motor/actuator (1) to the sunroof module assembly (2).
  6. Remove the sunroof motor/actuator from the sunroof module assembly.

Installation Procedure


    Object Number: 468357  Size: SH
  1. Manually move the sunroof window to the full closed position.
  2. Install the sunroof motor/actuator (1) to the sunroof module assembly (2).
  3. 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 bolts in order to secure the sunroof motor/actuator to the sunroof module assembly.
  5. Tighten
    Tighten the bolts to 5 N·m (44 lb in).

  6. Connect the electrical connectors (3) to the sunroof motor/actuator (1).
  7. Important: Verify the sunroof operation before installing the headliner.

  8. Check the window to the roof opening fit. Refer to Sunroof Window Height and Opening Fit Adjustment .
  9. Install the headliner. Refer to Headlining Trim Panel Replacement in Interior Trim.