6.6L duramax LB7 engines with turbocharger system whine noise
Chevrolet technical service bulletin 01400 for 2004 Chevrolet Silverado and 2004 GMC Sierra.
- Bulletin number
- 01400
- Component
- Engine and engine cooling: engine: gasoline: turbo/supercharger
- Summary
- 6.6l duramax lb7 engines with turbocharger system whine noise. Tt
Owners of these vehicles have filed 40 complaints in the engine category.
Vehicles covered
- Chevrolet Silverado 2004 2004
- GMC Sierra 2004 2004
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