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July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

High Frequency Antenna Replacement

Fig 1: High Frequency Antenna
GM4247571Courtesy of GENERAL MOTORS COMPANY
Callout Component Name
Preliminary Procedure 
It is only necessary to lower the headliner. Only do those steps in headliner replacement that will lower the headliner enough to gain access to the part. Refer to Headlining Trim Panel Replacement (Without C3U) and/or Headlining Trim Panel Replacement (With C3U)
1 High Frequency Antenna
CAUTION: Refer to Fastener Caution .

Procedure

  1. Loosen the integral nut.
  2. Disconnect the electrical connectors.
  3. Disconnect the antenna cables.
  4. Feed the wiring and cable up through the hole in the roof panel.

Tighten 
9 N.m (80 lb in)