Installation Procedure

2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Installation Procedure
WARNING: This page is about a different car, the 2004 Pontiac Aztek and 2004 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the quarter window into the opening. Refer to Urethane Adhesive Installation of Stationary WindowsΒ .
  2. Install the upper quarter window trim panel. Refer to Trim Panel Replacement - Rear Quarter Upper (Aztek) or Trim Panel Replacement - Rear Quarter Upper (Rendezvous) in Interior Trim.
  3. Remove the double layer of masking tape around the perimeter of the painted surfaces and the interior trim.
  4. Close the liftgate.
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:

  • 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.