GM Service Manual Online
For 1990-2009 cars only

    Object Number: 294274  Size: MH
  1. Slide the sunroof sunshade to the open position.
  2. Move the sunroof glass panel to the fully closed position.
  3. Loosen the sunroof glass panel screws.
  4. Individually adjust the 4 corners (1) of the sunroof glass panel.
  5. Adjust the front of the sunroof glass panel to 0.5 mm (0.020 in) below the top surface of the roof panel (3).
  6. Adjust the rear of the sunroof glass panel to 0.5 mm (0.020 in) above the top surface of the roof panel (2).

  7. Object Number: 294278  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.

  8. Tighten the sunroof glass panel screws.
  9. Tighten
    Tighten the screws to 4 N·m (35 lb in).