GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Open the sunshade to the full open position.
  2. Remove the sunroof front trim cover. Refer to Sunroof Front Trim Cover Replacement .
  3. Remove the sunroof motor. Refer to Power Sunroof Motor Replacement .

  4. Object Number: 1774131  Size: SH

    Important: Note the location of the bolts, size and color when removing, for proper installation.

  5. Remove the screws from around the lower frame.
  6. Remove the lower frame from sunroof module.

Installation Procedure


    Object Number: 1774131  Size: SH
  1. Install the lower frame to the sunroof module.
  2. 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 screws to the lower frame of the sunroof module.
  4. Install the bolts, size and color to the proper location.

    Tighten
    Tighten the screw to 3 N·m (27 lb in).

  5. Push the sunroof window to the full open position. This will allow the window, motor and cables to be timed.
  6. Install the sunroof motor. Refer to Power Sunroof Motor Replacement .
  7. Install the sunroof front trim cover. Refer to Sunroof Front Trim Cover Replacement .
  8. Verify operations of the sunroof window.