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HOMESERVICE MANUALSCHEVROLET2003TRAILBLAZER 4.2 S, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1417 (BODY REAR END)REPAIR INSTRUCTIONSWINDOW REGULATOR REPLACEMENT - ENDGATEINSTALLATION PROCEDURE
2003 Chevrolet TrailBlazer 4.2 S, 4WD

Installation Procedure

2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Installation 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.
    Fig 1: Installing Endgate Window Regulator
    GM902615Courtesy of GENERAL MOTORS CORP.
  1. Install the regulator assembly to the endgate through the access hole.
  2. Connect the electrical connector to the window regulator.
    3. NOTE: Refer to Fastener Notice in Cautions and Notices.
  3. Install the regulator side rails to the endgate by inserting the nuts (1) in the keyhole slots (2).

    Tighten:  Tighten the regulator side rail nuts to 25 N.m (18 lb ft).

  4. Install the bolt (3) retaining the regulator motor bracket to the endgate.

    Tighten:  Tighten the regulator motor bracket bolt (3) to 10 N.m (89 lb in).

  5. Install the endgate window. Refer to Window Replacement - Endgate .
  6. Adjust the endgate window fore/aft. Refer to Window Adjustment - Endgate Fore/Aft .
  7. Adjust the endgate window cross car. Refer to Window Adjustment - Endgate Cross Car .
  8. Adjust the endgate window up/down. Refer to Window Adjustment - Endgate Up/Down .
  9. Install the endgate inner panel reinforcement. Refer to Reinforcement Inner Panel Replacement - Endgate .
  10. Install the endgate trim panel. Refer to Trim Panel Replacement - Endgate (Envoy XUV) .
  11. Install the regulator bolt access plugs (3).
    Fig 2: Installing Regulator Bolt Access Plugs
    GM902601Courtesy of GENERAL MOTORS CORP.
  12. Perform an endgate window learn cycle. Refer to Window Learn Cycle - Endgate .
RENDER: 1.0x

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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.