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January 1, 2004 Service bulletin

This message is in regard to duramax turbocharger noises or possibly a performance or fuel economy complaint

Chevrolet technical service bulletin 001496A for 2001-2004 Chevrolet Silverado, 2001-2004 GMC Sierra and 2003 GMC C4500 and others.

Bulletin number
001496A
Component
Engine and engine cooling: engine: other fuel types: turbo/supercharger
Summary
This message is in regard to duramax turbocharger noises or possibly a performance or fuel economy complaint. Service vme. 6.6 lb7 diesel engine. P0102, p0103, p0236. Tt

Owners of these vehicles have filed 291 complaints in the engine category.

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