Sunroof Track Timing/Synchronization

Important:  If the sunroof actuator is the only part being serviced, follow the power sunroof actuator replacement procedure for the sunroof actuator to sunroof window timing. Refer to SUNROOF MOTOR/ACTUATOR REPLACEMENT  .

A new replacement power sunroof actuator is set to the fully closed and flush position at the factory.

1. Remove the sunroof window. Refer to SUNROOF WINDOW REPLACEMENT  .
2. Fabricate a gage (2) 46.8 +/- 0.5 mm (1.84 in) wide (A).

   A piece of thick paper will work.

3. Set the gage into the track near the rear of the opening between the move drive slide (1) and the bracket.
4. Move the drive slide fore or aft in order to get the proper setting.
   Fig 1: Adjusting Gage Between Move Drive Slide And Bracket

   Courtesy of GENERAL MOTORS CORP.
5. Repeat steps 3 and 4 for the other side.
6. Install the sunroof window. Refer to SUNROOF WINDOW REPLACEMENT  .
7. Install the sunroof actuator. Refer to SUNROOF MOTOR/ACTUATOR REPLACEMENT  .
8. Operate the sunroof through all functions to ensure proper operation.