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HOMESERVICE MANUALSCHEVROLET2003TRAILBLAZER 4.2 S, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1428 (SUNROOF SYSTEM)REPAIR INSTRUCTIONSMOVEABLE ROOF PANEL FRAME 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.
  1. Lower the endgate window.
  2. Remove the front and rear roof appliques. Refer to Applique Replacement - Roof Front and to Applique Replacement - Roof Rear in Exterior Trim.
  3. Remove the moveable roof panel assembly. Refer to Moveable Roof Panel Assembly Replacement .
  4. Remove the endgate weatherstrip from the end of the moveable roof frame. Refer to Weatherstrip Replacement - Endgate in Body Rear End.
  5. Remove the lock pillar upper tie bar trim panel. Refer to Trim Cover Replacement - Body Lock Pillar Upper Tie Bar - Cargo (Envoy XUV) in Interior Trim.
  6. Remove the moveable roof control module. Refer to Moveable Roof Panel Control Module Replacement .
  7. Remove the moveable roof motor/actuator. Refer to Moveable Roof Panel Motor/Actuator Replacement .
    8. Fig 1: Identifying Moveable Roof Frame-To-Lower Rail Screws
    GM1222225Courtesy of GENERAL MOTORS CORP.
  8. Remove the screws retaining the moveable roof frame to the lower rails, on both side rails and the front cross beam.
    9. Fig 2: Identifying Moveable Roof-To-Body Screws
    GM1222217Courtesy of GENERAL MOTORS CORP.
  9. Remove the bolts retaining the moveable roof to the body.
    10. Fig 3: Separating Frame From Lower Rails
    GM1222240Courtesy of GENERAL MOTORS CORP.
  10. Carefully lift upwards on the back of the moveable roof frame to separate the frame (2) from the lower rails (1) and urethane. It may be necessary to pry upwards from under the moveable roof rails with a flat-bladed tool to separate the rails from the urethane.
  11. With the aid of an assistant, remove the moveable roof panel frame from the vehicle.
    12. Fig 4: Cutting Urethane
    GM1237965Courtesy of GENERAL MOTORS CORP.
RENDER: 1.0x

NO RELATED

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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.