GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 41718 Sunroof Timing Pins

Removal Procedure

    Important: This sunroof system is timed from the factory in order to allow the actuator to shut off automatically when the sunroof window reaches a certain position. Use extreme care when removing the sunroof actuator from the sunroof module. Improper removal may cause the timing to be thrown off. Anytime the sunroof actuator requires removal from the sunroof module, ensure that the sunroof window is in the fully closed position and the J 41718 are installed.

  1. Position the sunroof window panel to the fully closed position.
  2. Remove the headliner. Refer to Headlining Trim Panel Replacement in Interior Trim.

  3. Object Number: 548328  Size: SH
  4. Remove the right and left front screw from the sunroof window panel. Refer to Sunroof Window Replacement .
  5. Important: Before removing the sunroof actuator, ensure that J 41718 are tight and holding the cable.

  6. Install into the front sunroof window panel screw hole to retain the cable adjustment.
  7. Disconnect the electrical connector from the sunroof module actuator.

  8. Object Number: 1538900  Size: SH
  9. Remove the bolts (1) from the sunroof actuator.
  10. Remove the sunroof actuator from the sunroof module.

Installation Procedure


    Object Number: 1538900  Size: SH
  1. Install the sunroof actuator screw (1) to the sunroof module.
  2. Notice: Refer to Fastener Notice in the Preface section.

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

  5. Connect the electrical connector to the sunroof actuator.

  6. Object Number: 548328  Size: SH
  7. Remove the J 41718 .
  8. Install the front screws to the sunroof glass panel. Refer to Sunroof Window Replacement .
  9. Perform the Initialization/Teach Procedure. Refer to Sunroof Motor/Actuator Initialization/Teach Process .
  10. Inspect for proper operation of the sunroof.
  11. Install the headliner. Refer to Headlining Trim Panel Replacement in Interior Trim.
  12. Refer to Control Module References for programming and setup information.