GM Service Manual Online
For 1990-2009 cars only

Adjustment Procedure

  1. Slide the sunroof sunshade to the open position.
  2. Adjust the sunroof window to the fully closed position.

  3. Object Number: 294278  Size: SH
  4. Separately loosen the attaching screws and individually adjust the four corners of the window panel.

  5. Object Number: 294274  Size: MH
  6. Adjust the front of the sunroof window (2) flush to 2 mm (0.08 in) below the roof surface.
  7. Adjust the rear of the sunroof window (3) flush to 2 mm (0.08 in) above the roof surface.
  8. 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.


    Object Number: 294278  Size: SH
  9. Tighten the sunroof window screws.
  10. Tighten
    Tighten the sunroof window screws to 4 N·m (35 lb in).