Sunroof Window Height and Opening Fit Adjustment (Extended Cab)

WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Open the sunshade.
Close the sunroof window.

Fig 1: Loosening 3 Adjusting Screws

Courtesy of GENERAL MOTORS CORP.

Loosen the adjusting screws on each side of the sunroof window.
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.

CAUTION: Refer to Fastener Caution .

Install the sunroof window adjustment screws.
Tighten: Tighten the screws to 5 N.m (44 lb in).