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January 1, 2004 Service bulletin

6.6L LB7 duramax diesel turbocharger noises or fuel economy complaint

Chevrolet technical service bulletin 01496 for 2001-2004 Chevrolet Silverado and 2001-2004 GMC Sierra.

Bulletin number
01496
Component
Engine and engine cooling: engine: gasoline: turbo/supercharger
Summary
6.6l lb7 duramax diesel turbocharger noises or fuel economy complaint. Service vme. Sit bulletin 1401355. Tt

Owners of these vehicles have filed 290 complaints in the engine category.

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