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HOMESERVICE MANUALSCHEVROLET2003TRAILBLAZER 4.2 S, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1328 (INTERIOR TRIM)REPAIR INSTRUCTIONSHEADLINER REPLACEMENTINSTALLATION PROCEDURE
2003 Chevrolet TrailBlazer 4.2 S, 4WD

Installation Procedure

2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Installation Procedure
WARNING: This page is about a different car, the 2004 Pontiac Vibe. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Headlining Trim Finish Panel And Retainers
    GM853427Courtesy of GENERAL MOTORS CORP.
  1. Install the headlining trim finish panel (1) through a rear door.
  2. Install the headlining panel (1) to the roof panel. Secure the headlining panel with the rear 2 retainers (2).
    3. Fig 2: Windshield Side Garnish Molding
    GM241992Courtesy of GENERAL MOTORS CORP.
  3. Install the quarter upper trim panel. Refer to Trim Panel Replacement - Rear Quarter Upper  .
  4. Install the dome lamp. Refer to Dome Lamp Replacement in Lighting Systems.
  5. Install the courtesy and reading lamp/sunroof switch assembly, if removed. Refer to Sunroof Switch Replacement in Roof.
  6. Install the sunshades and retainers. Refer to Sunshade Replacement  .
  7. Install the windshield side garnish moldings (1) to the vehicle. Ensure that the plastic retainers are fully engaged.
    8. Fig 3: Frame Garnish Moldings
    GM432007Courtesy of GENERAL MOTORS CORP.
  8. Install the assist handles. Refer to Assist Handle Replacement  .
  9. Install the center pillar upper trim panel. Refer to Trim Panel Replacement - Upper Center Pillar  .
  10. Reposition the door opening frame garnish moldings (1, 2) on all doors to the correct position on the pinch well flange.
  11. Position the front seat back cushions back to the upright position.
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.