GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

    Notice: This sunroof system is timed from the factory so that the sunroof actuator automatically shuts off when the window panel reaches a certain position. Be careful not to disrupt this factory timing when removing the sunroof actuator from the sunroof module. Disrupting the factory timing may cause damage to the sunroof system. Close the window panel whenever you remove the sunroof actuator from the sunroof module assembly.

  1. Remove the headliner. Refer to Headlining Trim Panel Replacement in Interior Trim.

  2. Object Number: 301281  Size: SH

    Important: Before removing the sunroof actuator position the system in the fully closed position. Do not move the sunroof mechanism while the actuator is not in place.

  3. Remove the tie straps from the wiring harness.
  4. Remove the actuator screws.
  5. Remove the electrical connector from the actuator.
  6. Remove the actuator from the sunroof.

Installation Procedure


    Object Number: 301281  Size: SH
  1. Position the actuator to the sunroof.
  2. install the electrical connector to the actuator.
  3. 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.

  4. Install the actuator screws.
  5. Tighten
    Tighten the sunroof actuator screws to 4 N·m (35 lb in).

  6. Install the tie straps to the wiring harness.
  7. Install the headliner. Refer to Headlining Trim Panel Replacement in Interior Trim.