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September 21, 2005 Service bulletin

Engine knock noise heard at all times

Chevrolet technical service bulletin 3479C for 2005 Chevrolet Silverado, 2005 Chevrolet Suburban and 2005 GMC Sierra and others.

Bulletin number
3479C
Component
Engine and engine cooling: engine
Summary
Engine knock noise heard at all times. Tt

Owners of these vehicles have filed 64 complaints in the engine category.

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