GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Place the module in the closed/flush position.
  2. Lower the headliner. Refer to Headlining Trim Panel Replacement.
  3. Disconnect the electrical connector from the motor/actuator.
  4. Remove the motor/actuator. Refer to Sunroof Motor/Actuator Replacement.

  5. Object Number: 1549379  Size: SH
  6. Push the cam assembly (2) forward until the timing hole (3) in the cam is aligned with the timing hole (4) in the lifter arm (1).

  7. Object Number: 1549380  Size: SH

    Note: Both mechanisms should now be in the closed position.

    Using a suitable tool, insert it into the hole of the mechanism arm, it will not go all the way through mechanism.

  8. Insert a pin (1) in the holes on both sides of the module to hold the position while installing the drive motor.

Installation Procedure

    Caution: Refer to Fastener Caution in the Preface section.

  1. Install the sunroof window. Refer to Sunroof Window Replacement - Front. Tighten the screws to 4 N·m (35 lb in).
  2. Install the motor/actuator. Refer to Sunroof Motor/Actuator Replacement. Tighten the motor attachment screws to 3.5 N·m (31 lb in).
  3. Connect the electrical connector to the motor/actuator.

  4. Object Number: 1549380  Size: SH
  5. Remove the pin (1) from the holes that held the position while installing the drive motor.
  6. Install the headliner. Refer to Headlining Trim Panel Replacement.
  7. Perform the Initialization/Teach Procedure. Refer to Sunroof Motor/Actuator Initialization/Teach Process.
  8. Verify the operation of the sunroof.