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HOMESERVICE MANUALSCHEVROLET2003TRAILBLAZER 4.2 S, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1403 (ENTERTAINMENT SYSTEM)REPAIR INSTRUCTIONSANTENNA CABLE REPLACEMENTINSTALLATION 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 Radio Antenna Cable Assembly Retaining Screws
    GM718023Courtesy of GENERAL MOTORS CORP.
  1. Install the radio antenna cable assembly to the vehicle.
  2. Pass the antenna cable and grommet assembly through the fender opening.
    3. NOTE: Refer to Fastener Notice in Cautions and Notices.
  3. Install the radio antenna cable assembly retaining screws.

    Tighten:  Tighten the radio antenna cable assembly screws to 2.8 N.m (25 lb in).

  4. Close the hood.
  5. Install the antenna mast. Refer to Fixed Antenna Mast Replacement .
    6. Fig 2: Installing End Of Radio Antenna Cable Assembly Through Cowl Opening
    GM718019Courtesy of GENERAL MOTORS CORP.
  6. Reach up behind the wheelhouse panel and pass the end of the radio antenna cable assembly through the cowl opening (1).
  7. Install the antenna cable grommet assembly to the cowl opening.
  8. Install the wheelhouse panel. Refer to Wheelhouse Panel Replacement in Body Front End.
    9. Fig 3: View Of Radio Antenna Cable To Radio Extension Cable
    GM734416Courtesy of GENERAL MOTORS CORP.
  9. Install the radio antenna cable (2) to the radio extension cable.
  10. Close the I/P compartment.
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.