Sunroof Window Height and Opening Fit Adjustment

Fig 1: Adjusting Rear & Front Glass Panels

Courtesy of GENERAL MOTORS CORP.

In order to adjust the glass height, the sunroof glass must be in the zero, closed, position.

IMPORTANT: Do not remove the screws from the sunroof mechanism.

NOTE: Refer to Fastener Notice .

Adjust the rear glass panel (1) so that it is flush with the roof panel (3), 0-2.0 mm (0.079 in) above 3.
Tighten: Tighten all 4 adjustment screws to 4 N.m (35 lb in).
Adjust the front glass panel (2) so that it is flush with the roof panel (3), 0-1.0 mm (0.040 in) below 3.
Tighten: Tighten all 4 adjustment screws to 4 N.m (35 lb in).