GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Close the sunroof.
  2. Remove the headliner panel. Refer to Headlining Trim Panel Replacement in Interior Trim.
  3. Disconnect the drain hose connections from the sunroof housing.

  4. Object Number: 280689  Size: MH
  5. With an assistant, remove the sunroof module bolts (2).
  6. With an assistant, remove the sunroof module assembly (1), by pulling the module downward at the rear mounting points to disengage the white locating pins.

Installation Procedure


    Object Number: 280689  Size: MH
  1. With an assistant, align the sunroof module assembly with the white plastic locating pins.
  2. With an assistant, push the module assembly with an upward motion to engage the white locating pins.
  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. With an assistant, install the sunroof module assembly bolts (2).
  5. Tighten
    Tighten the sunroof module bolts to 11 N·m (97 lb in).

  6. Connect the drain hose connections to the sunroof housing.
  7. Install the headliner finish panel. Refer to Headlining Trim Panel Replacement in Interior Trim.