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October 1, 2004 Service bulletin

Buzz type noise coming from rear speakers

Chevrolet technical service bulletin 040844014A for 2004-2005 Chevrolet Trailblazer, 2004-2005 GMC Envoy and 2004 Oldsmobile Bravada and others.

Bulletin number
040844014A
Component
Structure: body
Summary
Buzz type noise coming from rear speakers. Tt update. Tt

Owners of these vehicles have filed 120 complaints in the body category.

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