Installation Procedure

2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Installation Procedure
WARNING: This page is about a different car, the 2003 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the antenna bezel to the quarter panel, if removed.

    Align the locating tab on the antenna bezel to the notch in the quarter panel, then insert the bezel and push to secure.

  2. Carefully install the fixed antenna to the vehicle through one of the tail lamp openings.
    Fig 1: Installing Fixed Antenna To Vehicle
    G01453558Courtesy of GENERAL MOTORS CORP.
  3. Apply sealer to the groove on the antenna coaxial cable grommet.
  4. Apply a light coating of lubricant to the narrow end of the antenna coaxial cable grommet to aid in seating the grommet.
  5. Install the antenna coaxial cable and grommet through the opening in the rear compartment panel toward the inside of the vehicle.
  6. Fully seat the antenna coaxial cable grommet to the rear compartment panel.
  7. Position the antenna upright, toward the RR tire and align the top of the antenna with the opening in the antenna bezel.
  8. Install the antenna to the bezel.

    Insert the antenna up through the opening in the bezel, then check that the antenna and the bezel are seated properly.

  9. Position the antenna and install the antenna onto the mounting studs.
    NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
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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.