Audio System - Difficult To Install Fixed Radio Antenna
INFORMATIONBulletin No.: 07-08-44-001G
Date: June 09, 2011
Subject: Information on Difficult to Install Fixed Radio Antenna Mast
Models:
2006-2012 Cadillac Escalade EXT
2005-2010 Chevrolet Cobalt
2006-2009 Chevrolet TrailBlazer Models
2006-2012 Chevrolet Avalanche, Colorado, Silverado (Classic and New Style)
2006-2009 GMC Envoy
2006-2012 GMC Canyon, Sierra (Classic and New Style)
2006-2010 Pontiac G5
2006-2009 Saab 9-7X
Supercede:
This bulletin is being revised to add the 2012 model year. Please discard Corporate Bulletin Number 07-08-44-001F (Section 08 - Body and Accessories).
- A design change was made to the antenna base and antenna mast starting in October 2005. The radio antenna base size increased from 6 mm (0.23 in) to 7 mm (0.27 in) for improved stability and radio reception.
- There are two different design antenna masts available. The antenna masts can be distinguished by the outer bottom of the antenna mast. The first design antenna mast (1) will have a six-sided hex design and a 6 mm (0.23 in) inside diameter thread. The second design antenna mast (2) will have two flats on the outer mast and a 7 mm (0.27 in) inside diameter thread.
- The second design antenna mast will have more resistance when installing due to the interference fit of the threads in the mast as identified by the arrows in the graphic.
Note
Before proceeding, verify that the mast and base stud are properly aligned.
- A wrench will be needed to install the antenna mast. When starting to thread the antenna mast onto the base stud, interference will be felt. The interference is similar to the feeling of a cross threaded fastener.
Important
Use a protective tape or a cloth inside an adjustable wrench when installing the antenna mast. This will help prevent damage to the painted coating on the antenna mast.
- Tighten the antenna mast.
Tighten
Tighten to 6 Nm (53 lb in).
Parts Information
