Installation Procedure

2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Installation Procedure
WARNING: This page is about a different car, the 2004 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Antenna Buffer To Roof Bow Retaining Screws
    GM171885Courtesy of GENERAL MOTORS CORP.
  1. Install the antenna buffer into position on the roof bow.
  2. NOTE: Refer to Fastener Notice in Cautions and Notices.
  3. Install the antenna buffer retaining screws.

    Tighten:Β  Tighten the antenna buffer retaining screws to 1.8 N.m (16 lb in).

  4. Fig 2: Rear Lift Window Antenna Cable Connector & Extension Cable At Antenna Buffer
    GM214778Courtesy of GENERAL MOTORS CORP.
  5. Connect the rear lift window antenna cable connector and the rear lift window antenna extension cable to the antenna buffer.
  6. Install the roof bow interior trim panel; use care to not damage the rear antenna cable. Refer to Trim Panel Replacement - Rear Roof Bow in Interior Trim.
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:

  • 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.