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 a stationary window into the opening. Refer to Urethane Adhesive Installation of Stationary WindowsΒ .
  2. Fig 1: Identifying Rear Liftgate Window Defogger Connectors
    GM379401Courtesy of GENERAL MOTORS CORP.
  3. Connect the rear liftgate window defogger connectors to the right and left sides.
  4. Install the center light applique.
  5. Install the rear wiper motor. Refer to Wiper Motor Replacement - Rear in Wipers/Washer Systems.
  6. Remove the double layer of masking tape around the perimeter of the painted surfaces and the interior trim.
  7. Close the liftgate.
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

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.