GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the headliner. Refer to Headlining Trim Panel Replacement in Interior Trim.
  2. Notice: This sunroof system is timed from the factory so that the sunroof actuator automatically shuts off when the window panel reaches a certain position. Be careful not to disrupt this factory timing when removing the sunroof actuator from the sunroof module. Disrupting the factory timing may cause damage to the sunroof system. Close the window panel whenever you remove the sunroof actuator from the sunroof module assembly.


    Object Number: 294344  Size: SH
  3. Disconnect the roof harness from the sunroof module harness.
  4. Remove the sunroof actuator mounting screws.
  5. Remove the sunroof actuator from the sunroof module.

Installation Procedure

  1. Install the sunroof actuator to the sunroof module.

  2. Object Number: 294344  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. Install the sunroof actuator mounting screws.
  4. Tighten
    Tighten the sunroof actuator screws to 4 N·m (35 lb in).

  5. Connect the roof harness to the sunroof module harness.
  6. Temporarily connect the sunroof switch and check the sunroof operation.
  7. Install the headliner. Refer to Headlining Trim Panel Replacement in Interior Trim.
  8. Check the sunroof operation. Refer to Power Sunroof Circuit Description .