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HOMESERVICE MANUALSCHEVROLET2003TRAILBLAZER 4.2 S, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1417 (BODY REAR END)REPAIR INSTRUCTIONSLIFTGATE REPLACEMENTREMOVAL PROCEDURE
2003 Chevrolet TrailBlazer 4.2 S, 4WD

Removal Procedure

2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Removal Procedure
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2004 Oldsmobile Bravada, 2004 GMC Envoy XUV, 2004 GMC Envoy XL, 2004 GMC Envoy, and 2004 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the liftgate window. Refer to Window Replacement - Liftgate .
  2. Remove the rear quarter trim located above the tail lamps. Refer to Molding Replacement - Rear Panel in Exterior Trim.
  3. Remove the liftgate window garnish molding. Refer to Garnish Molding Replacement - Rear Window in Interior Trim.
  4. Remove the liftgate trim panel. Refer to Trim Panel Replacement - Liftgate (TrailBlazer, Envoy, Bravada)  or Trim Panel Replacement - Liftgate (TrailBlazer EXT, Envoy XL) .
  5. Disconnect the rear windshield washer fluid supply line.
  6. Disconnect the center high mount stop lamp (CHMSL) electrical connector located behind the header panel.
    Fig 1: Identifying Wiring Harness Pass Through Boot To Liftgate
    GM749976Courtesy of GENERAL MOTORS CORP.
    7. Fig 2: View Of Liftgate Window Handle Bolts And Defogger Grid Electrical Connectors
    GM698542Courtesy of GENERAL MOTORS CORP.
  7. Disconnect the rear windshield defogger electrical connectors (2).
  8. Remove the license plate pocket. Refer to License Plate Pocket Replacement (Envoy XUV)  or License Plate Pocket Replacement (All Except Envoy XUV) .
  9. Remove the lock cylinder. Refer to Lock Cylinder Replacement - Liftgate .
  10. Remove the window latch assembly. Refer to Latch Replacement - Liftgate Window .
  11. Remove the window wiper assembly. Refer to Wiper Arm Replacement - Rear (TrailBlazer, Envoy) or Wiper Arm Replacement - Rear (XUV) in Wipers/Washer Systems.
  12. Remove the liftgate control module. Refer to Liftgate Control Module Replacement .
  13. Remove the liftgate wire harness. Refer to Wiring Harness Replacement - Liftgate .
  14. Remove the liftgate struts. Refer to Strut Replacement - Liftgate .
  15. Mark the location of the liftgate hinges using a grease pencil or other suitable marking device.
    16. Fig 3: Removing Liftgate Hinge Nuts
    GM721409Courtesy of GENERAL MOTORS CORP.
  16. Remove the liftgate hinge nuts with the aid of an assistant.
  17. Remove the liftgate from the vehicle with the aid of an assistant.
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:

  • • 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.