GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. It is only necessary to lower the headliner. Only do those step in headliner replacement that will lower the headliner enough to gain access to the part. Refer to Headlining Trim Panel Replacement .
  2. Remove the sunroof window. Refer to Sunroof Window Replacement .

  3. Object Number: 964583  Size: SH
  4. Disconnect the sunroof motor harness.
  5. Remove the screws securing the sunroof actuator to the sunroof module.
  6. Remove the sunroof motor.

Installation Procedure


    Object Number: 987587  Size: SH
  1. Manually adjust the track to achieve a distance of (a) 44.5 mm (1.75 in) between the left slide and track bracket.
  2. Manually adjust the track to achieve a distance of (a) 44.5 mm (1.75 in) between the right slide and track bracket.
  3. Install the sunroof motor to the sunroof module.
  4. Notice: Refer to Fastener Notice in the Preface section.

  5. Install the sunroof motor screws.
  6. Tighten
    Tighten the screws to 5 N·m (44 lb in).


    Object Number: 964583  Size: SH
  7. Connect the electrical connectors to the sunroof motor.
  8. Secure the electrical harness to the sunroof module.
  9. Verify the sunroof operation.
  10. Install the sunroof window. Refer to Sunroof Window Replacement .
  11. Install the headliner. Refer to Headlining Trim Panel Replacement .