Subject: | Proper Position and Installation of Roof Rack Cross Rails to Reduce Wind Noise |
Models: | 2002 Chevrolet and GMC S/T Utility Models (Trailblazer, Trailblazer EXT, Envoy, Envoy XL) |
2002 Oldsmobile Bravada |
Some of the above vehicles may exhibit wind noise related to the roof rack. In an effort to reduce wind noise, Engineering has identified a specific position and installation for the roof rack cross rails.
• | Beginning on September 6, 2001 the Trailblazer, Envoy, and Bravada were built with the roof rack cross rails installed in the reverse direction (arrows towards rear of vehicle). |
• | Early calendar year 2002 the Trailblazer EXT and Envoy XL were built with the roof rack cross rails installed in the reverse direction (arrows towards rear of vehicle). |
• | Early calendar year 2002 the directional arrows were removed from the cross rails on all models to eliminate any confusion as to which direction is correct. |
It has been found that some dealers are changing the direction of the cross rails thinking they were installed incorrectly.
To obtain the optimum position and installation of the roof rack cross rails that produce the least wind noise, use the following procedure:
For vehicles repaired under warranty, use:
Labor Operation | Description | Labor Time |
---|---|---|
B2944 | Luggage Rack Components (Rack) -- Replace | Use published labor operation time |