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HOMESERVICE MANUALSCHEVROLET2003TRAILBLAZER 4.2 S, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1428 (SUNROOF SYSTEM)REPAIR INSTRUCTIONSMOVEABLE ROOF PANEL ASSEMBLY REPLACEMENTREMOVAL PROCEDURE
2003 Chevrolet TrailBlazer 4.2 S, 4WD

Removal Procedure

2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Removal Procedure
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2004 Oldsmobile Bravada, 2004 GMC Envoy XUV, 2004 GMC Envoy XL, 2004 GMC Envoy, and 2004 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Identifying Moveable Roof Panel Assembly Fasteners
    GM1237913Courtesy of GENERAL MOTORS CORP.
  1. Open the end gate.
  2. Remove the screws retaining the back of the moveable roof panel to the moveable roof assembly.
  3. Remove the front lock pins retaining the front of the moveable roof panel to the moveable roof assembly.
    4. Fig 2: Locating Moveable Roof Panel Bushings
    GM1227001Courtesy of GENERAL MOTORS CORP.
  4. Slide the roof panel forward approximately 15 cm (6 in).
    5. IMPORTANT: Be careful not to scratch or chip the paint.
  5. Lift up the rear of the roof panel and rotate the rear of the panel to release the moveable roof panel bushings (1) from the tracks of the moveable roof frame assembly.
  6. Remove the panel from the vehicle.
RENDER: 1.0x

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When to See a Mechanic

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.