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January 1, 2000 Service bulletin

Some vehicles may exhibit heavy black smoke and loss of turbo boost power

Chevrolet technical service bulletin 010100 for 2001 Chevrolet Silverado, 2001 GMC Sierra and 2000-2001 GMC Silverado and others.

Bulletin number
010100
Component
Engine and engine cooling: engine: gasoline: turbo/supercharger
Summary
Some vehicles may exhibit heavy black smoke and loss of turbo boost power. Tt

Owners of these vehicles have filed 125 complaints in the engine category.

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