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. Disconnect the front and rear drain hoses from the sunroof module.
  3. Disconnect the electrical connector from the actuator harness to the roof harness.
  4. Remove the two bolts and two nuts from the sunroof switch bracket and remove the bracket.

  5. Object Number: 294351  Size: SH
  6. Remove the sunroof module nuts (1, 2, 3, 4, 5, 6).
  7. Remove the sunroof module from the vehicle.

Installation Procedure

  1. Position the module to the vehicle.

  2. Object Number: 294351  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 module nuts in the correct fastener tightening sequence as shown (1, 2, 3, 4, 5, 6).
  4. Tighten
    Tighten the sunroof module nuts to 10 N·m (89 lb in).

  5. Install the two bolts and two nuts in the sunroof switch bracket.
  6. Tighten
    Tighten the sunroof switch bracket nuts to 10 N·m (89 lb in).

    Tighten
    Tighten the sunroof switch bracket bolts to 10 N·m (89 lb in).

  7. Connect the electrical connector from the actuator harness to the roof harness.
  8. Connect the front and rear drain hoses to the sunroof module.
  9. Temporarily connect the sunroof switch and check the sunroof operation.
  10. Install the headliner. Refer to Headlining Trim Panel Replacement in Interior Trim.
  11. Check the sunroof operation. Refer to Power Sunroof Circuit Description .