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Home >> Buick >> 2015 >> Regal GS, AWD >> 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

    Fig 1: View Of Front Window Screws
    GM1937648Courtesy of GENERAL MOTORS COMPANY
  1. Open the front sunroof window to the vent position.
  2. Remove the front sunroof side cover to expose the screws. If equipped.
  3. Loosen the front sunroof window rear fasteners, left and right side.
  4. Open the front sunroof to the half open position.
  5. Loosen the front and middle sunroof window fasteners, left and right side.
  6. Close the front sunroof.
    7. Fig 2: Window Gap
    GM1937653Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Tighten the sunroof window in the upper position.

  7. Adjust the window to the following specs, gap 11.0+ or -0.3mm (0.43in) between the front rear and rear front edges.
    8. CAUTION:

    Refer to Fastener Caution .

  8. Tighten the front sunroof window rear fasteners to 4 N.m (35 lb in).
  9. Open the front sunroof window until the rear part is in the vent position.
  10. Tighten the front and middle sunroof window fasteners to 4 N.m (35 lb in).
  11. Install the front sunroof side covers, if removed.
  12. Close the front sunroof.
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