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January 1, 2007 Service bulletin

Humming or buzzing from rear of vehicle and/or possible dead battery

Chevrolet technical service bulletin 060603011 for 2007 Chevrolet Silverado 1500, 2007 Chevrolet Tahoe and 2007 GMC Sierra 1500 and others.

Bulletin number
060603011
Component
Engine and engine cooling: engine
Summary
Humming or buzzing from rear of vehicle and/or possible dead battery. (check fuel pump relay and replace, if necessary). Kb

Owners of these vehicles have filed 316 complaints in the engine category.

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