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Home >> Chevrolet >> 2017 >> Spark LT, Automatic CVT Trans >> Repair and Diagnosis >> Body & Frame >> Sun Roof/T-Top/Convertible Top >> Sunroof System >> Repair Instructions >> Sunroof Window Height and Opening Fit Adjustment

Sunroof Window Height and Opening Fit Adjustment

  1. Cycle the sunroof window from full open to closed position.
    NOTE: Correct adjustment cannot be achieved if the sunroof window is closed from vent position.
  2. Loosen the adjusting screws on the window.
    Fig 1: Sunroof Window Adjustment Screws
    GM4025134Courtesy of GENERAL MOTORS COMPANY
    NOTE: Do Not remove or lower headliner to access sunroof window screws.
  3. Adjust the corners of the front window panel using the following guidelines:
    • Adjust the front of the sunroof window to 0.0 mm - 1.0 mm (0.0 in - 0.04 in) below the top surface of the roof panel.
    • Adjust the rear center line of the sunroof window to 2 mm to 3 mm (0.08 in to 0.12 in) below the top surface of the roof panel.
  4. Tighten the sunroof window adjustment screws to 4 N.m (35 lb in).
    CAUTION: Refer to Fastener Caution .
  5. Cycle sunroof window through all positions.
  6. Inspect the sunroof window adjustment. Adjust if necessary.
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