Excessive duramax turbocharger whine noise or possibly a performance or a fuel economy complaint
Chevrolet technical service bulletin 100803 for 2001-2004 Chevrolet Silverado and 2001-2004 GMC Sierra.
- Bulletin number
- 100803
- Component
- Engine and engine cooling: engine: gasoline: turbo/supercharger
- Summary
- Excessive duramax turbocharger whine noise or possibly a performance or a fuel economy complaint. Gm voicemail log. This includes 2003-2004 4500 and 5500 trucks. Tt
Owners of these vehicles have filed 290 complaints in the engine category.
Vehicles covered
- Chevrolet Silverado 2001-2004 2001200220032004
- GMC Sierra 2001-2004 2001200220032004
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