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Home >> Buick >> 2000 >> LeSabre Custom, 4T65E/M15 >> Repair and Diagnosis >> External Pages >> Different car >> Section 156 (Sunroof System) >> Repair Instructions >> Sunroof Track Timing/Synchronization

Sunroof Track Timing/Synchronization

WARNING: This page is about a different car, the 2005 Buick LeSabre. However, it is still accessible from the selected car via links, so may be relevant.
    IMPORTANT: If the sunroof actuator motor is the only part being serviced, follow the power sunroof actuator replacement procedure for the sunroof actuator to sunroof window timing.
    A new replacement power sunroof actuator is set to the fully closed and flush position at the factory.
    Fig 1: View of Gage & Move Driver Slide
    GM754120Courtesy of GENERAL MOTORS CORP.
  1. Remove the sunroof window. Refer to Sunroof Window Replacement .
  2. Fabricate a gage (2) 46.8 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 driver slide (1) and the bracket.
  4. Move the driver slide fore or aft in order to get the proper setting.
  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.
  8. Operate the sunroof through all functions to ensure proper operation.
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