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HOMESERVICE MANUALSCHEVROLET2003TRAILBLAZER 4.2 S, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1637 (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 Buick Regal and 2003 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT: Do NOT bend the headlining too much when loading the headliner (1).
  1. Install the headliner (1) in the vehicle through the right front door.
    2. Fig 1: Installing Headliner
    G01588465Courtesy of GENERAL MOTORS CORP.
  2. Install the headliner (1):
    1. 2.1. Align the sunshade holes in the headlining with the respective hole in the body structure.
    2. 2.2. Engage the front hook and the loop fasteners
  3. Connect the headliner electrical harness and the antenna lead, located behind the left rear speaker.
  4. Connect the OnStar® electrical connector, if equipped.
  5. Connect the headliner electrical harness connector, located behind the right rear speaker.
  6. Install the rear window trim panel. Refer to TRIM PANEL REPLACEMENT - REAR WINDOW SHELF  .
  7. Install the rear retainers (2).
  8. Install the door opening weatherstrip seal on both the front and the rear doors in order to hold the headliner (1) in place.
  9. Install the center pillar upper trim panels. Refer to TRIM PANEL REPLACEMENT - UPPER CENTER PILLAR  .
  10. Install the upper quarter trim panels. Refer to TRIM PANEL REPLACEMENT - REAR QUARTER UPPER  .
  11. Install the side upper garnish molding to the windshield. Refer to GARNISH MOLDING REPLACEMENT - WINDSHIELD PILLAR  .
  12. Install the assist handles. Refer to ASSIST HANDLE REPLACEMENT - FRONT  and to ASSIST HANDLE REPLACEMENT - REAR  .
  13. Install the dome lamp, if equipped. Refer to DOME LAMP REPLACEMENT in Lighting Systems.
  14. Install the power sunroof switch, if equipped. Refer to SUNROOF SWITCH REPLACEMENT in Roof.
  15. Connect the electric connector to the rear view mirror.
  16. Install the sunshade retainers (1). Refer to SUNSHADE ANCHOR REPLACEMENT  .
  17. Install the sunshades. Refer to SUNSHADE REPLACEMENT  .
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.