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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 980 (Sunroof System) >> Repair Instructions >> Sunroof Window Height and Opening Fit Adjustment

Sunroof Window Height and Opening Fit Adjustment

WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Open the sunshade.
  2. Close the sunroof window.
    3. Fig 1: Identifying 3 Adjusting Screws
    GM1222454Courtesy of GENERAL MOTORS CORP.
  3. Loosen the adjusting screws on each side of the sunroof window.
    • Crew Cab has two screws.
    • Extended Cab has three screws.
  4. Adjust the corners of the window panel using the following guidelines:
    • Adjust the front of the sunroof window flush to 2 mm (0.08 in) below the top surface of the roof panel.
    • Adjust the rear of the sunroof window flush to 2 mm (0.08 in) above the top surface of the roof panel.
    5. NOTE: Refer to Fastener Notice .
  5. Install the sunroof window adjustment screws.

    Tighten:  Tighten the screws to 4 N.m (35 lb in).

    • Crew Cab has two screws.
    • Extended Cab has three screws.
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