Installation Procedure

2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Installation Procedure
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    Fig 1: Installing Liftgate Window
    GM388724Courtesy of GENERAL MOTORS CORP.
  1. With the aid of an assistant install the liftgate window (1) to the vehicle.
  2. Install the C-clips to the liftgate window hinges.
  3. Fig 2: Installing Struts
    GM313603Courtesy of GENERAL MOTORS CORP.
  4. Install the struts to the liftgate window. Refer to STRUT REPLACEMENT - LIFT GATE WINDOW .
  5. Fig 3: Connecting Rear Defogger Plug
    GM379401Courtesy of GENERAL MOTORS CORP.
  6. Connect the rear defogger plug to the liftgate window.
  7. Remove the double layer of masking tape around the perimeter of the painted surfaces and the interior trim.
  8. Close the liftgate window.
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.