GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 294278  Size: SH
  1. Slide the sunshade fully rearward.
  2. Position the sunroof window in the vent position.
  3. Remove the sunroof window screws on both sides.
  4. Remove the sunroof glass from the module.

Installation Procedure


    Object Number: 294278  Size: SH
  1. Install the sunroof glass to the module, ensure that the information/logo stencil is towards the rear of the opening.
  2. Loosely install the sunroof window screws.
  3. Adjust the sunroof window. Refer to Sunroof Panel Vertical Adjustment .
  4. 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.

  5. Install the window screws.
  6. Tighten
    Tighten the sunroof window screws to 4 N·m (36 lb in).

  7. Open and close the sunroof window to recheck the fit and operation of the window.