Installation Procedure

2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Installation Procedure
WARNING: This page is about a different car, the 2002 Oldsmobile Bravada, 2002 GMC Envoy XL, 2002 GMC Envoy, and 2002 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
  1. Position the head restraint to the seat assembly.
  2. Verify that the notches in the head restraint posts are indexed toward the rear of the seat assembly.
  3. Push the head restraint downward into the fully installed position.
    Fig 1: Removing/Installing Head Restraint
    GM752736Courtesy of GENERAL MOTORS CORP.
  4. Raise the head restraint to the full up position. Verify that the head restraint retainer prevents the head restraint from being removed from the seat assembly.
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.