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HOMESERVICE MANUALSCHEVROLET2003TRAILBLAZER 4.2 S, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1699 (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 2003 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Disengaging Velcro & Magnet From Headliner
    GM977455Courtesy of GENERAL MOTORS CORP.
  1. Position the headliner into the vehicle through the liftgate opening.
  2. Push on the Velcro® and the magnet attachments to partially secure the liner.
    3. Fig 2: Rear Pushpin Fastener
    GM977468Courtesy of GENERAL MOTORS CORP.
  3. Install the pushpin fastener at the rear of the headliner.
  4. Secure the weatherstrip over the edge of the headliner.
    5. Fig 3: Disconnecting/Connecting Electrical Connectors At Reading Lamp Cover/Sunroof Switch
    GM980440Courtesy of GENERAL MOTORS CORP.
  5. Connect the sunroof switch electrical connectors.
    6. Fig 4: View Of Headliner
    GM980764Courtesy of GENERAL MOTORS CORP.
  6. Connect the OnStar® microphone electrical connector.
  7. Install the reading lamp cover. Refer to Reading Lamp Replacement in Lighting Systems.
  8. Connect the OnStar® electrical connector.
  9. Install the sunshades. Refer to Sunshade Replacement .
  10. Install the windshield upper garnish molding. Refer to Windshield Upper Garnish Molding Replacement 
  11. Install the center pillar molding. Refer to Garnish Molding Replacement - Center Pillar Lower .
  12. Install the dome lamp. Refer to Dome Lamp Replacement .
    13. Fig 5: Connecting Headliner Electrical Connector
    GM977398Courtesy of GENERAL MOTORS CORP.
  13. Connect the headliner electrical connectors behind the cargo area trim panel. Connect the clips holding the wire to the metal.
  14. Install the driver side quarter trim panel. Refer to Trim Panel Replacement - Rear Quarter Lower .
  15. Install the lock pillar garnish moldings. Refer to Garnish Molding Replacement - Lock Pillar Upper .
  16. Install the rear garnish molding. Refer to Garnish Molding Replacement - Rear Corner .
  17. Install the rear window upper moldings. Refer to Molding Replacement - Rear Window Upper .
  18. Install the coat hooks. Refer to Coat Hook Replacement .
  19. Enable the SIR system. Refer to DISABLING & ACTIVATING AIR BAG SYSTEM in SIR.
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.