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HOMESERVICE MANUALSCHEVROLET2008CHEVY EXPRESS G3500, VAN PASSENGER EXTENDEDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 628 (SUNROOF SYSTEM)REPAIR INSTRUCTIONSSUNROOF SUNSHADE REPLACEMENTINSTALLATION PROCEDURE
2008 Chevrolet Chevy Express G3500, Van Passenger Extended

Installation Procedure

2008 Chevrolet Chevy Express G3500, Van Passenger ExtendedSECTION Installation Procedure
WARNING: This page is about a different car, the 2010 Cadillac STS. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Sunshade & Tabs
    GM1609774Courtesy of GENERAL MOTORS CORP.
  1. Position rear edge of the sunshade panel to the track.
  2. Ensure the retention tab at the rear is positioned into the track.
  3. Arch the forward edge of the sunshade (2) in order to locate the retention clip into the sunshade track.
  4. Locate the tabs (1) into the tracks and release.
  5. Slide the sunshade panel forward and rearward to ensure free operation is present.
    6. Fig 2: Drain Channel & Screws
    GM470258Courtesy of GENERAL MOTORS CORP.
  6. Position the sunroof drain channel (3) to the sunroof module (4).
    7. CAUTION: Refer to Fastener Caution .
  7. Install the screws (2) and tighten to 2 N.m (18 lb in).
    8. Fig 3: Sunroof Window Screws
    GM468350Courtesy of GENERAL MOTORS CORP.
  8. Position the sunroof window (3) into the opening.
  9. Install the sunroof window screws (1) and tighten to 2 N.m (18 lb in).
  10. Finger tighten the screws. Do Not tighten at this time.
  11. Cycle the sunroof window to the closed position.
  12. Adjust the sunroof window. Refer to Sunroof Window Height and Opening Fit Adjustment .
    13. Fig 4: Sunroof Panel Side Opening Closeout Covers
    GM786923Courtesy of GENERAL MOTORS CORP.
  13. Secure the sunroof panel side opening closeout covers (2) into 3 retention clips on the each side of the window.
  14. Close the sunshade (1).
RENDER: 1.0x

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Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.