GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 612506  Size: SH
  1. Remove the headliner. Refer to Headlining Trim Panel Replacement in Interior Trim.
  2. Remove the straps that retain the wiring harness.
  3. Disconnect the electrical connectors, as needed.
  4. Remove the screws that retain the sunroof motor (1) to the sunroof assembly.
  5. Important: Do not move the sunroof mechanism while the motor is not in place.

  6. Remove the sunroof motor from the vehicle.

Installation Procedure


    Object Number: 612506  Size: SH
  1. Install the sunroof motor (1) to the vehicle.
  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. Install the screws that retain the sunroof motor (1) to the sunroof assembly.
  4. Tighten
    Tighten the sunroof motor screws to 3.5 N·m (31 lb in).

  5. Connect the electrical connectors, as needed.
  6. Install the straps that retain the wiring harness.
  7. Install the headliner. Refer to Headlining Trim Panel Replacement in Interior Trim.