Highway speed excessive smoke and fuel knock
Chevrolet technical service bulletin 3491 for 2004-2006 Chevrolet Silverado, 2004-2006 GMC Sierra and 2004-2006 Chevrolet Express and others.
- Bulletin number
- 3491
- Component
- Fuel system, other
- Summary
- Highway speed excessive smoke and fuel knock. Tt
Vehicles covered
- Chevrolet Silverado 2004-2006 200420052006
- GMC Sierra 2004-2006 200420052006
- Chevrolet Express 2004-2006 200420052006
- GMC Savana 2004-2006 200420052006
- Chevrolet Kodiak 2004-2005 20042005
- Chevrolet C5500 2006 2006
- Chevrolet C4500 2006 2006
- GMC C4500 2006 2006
- GMC Topkick 2004-2005 20042005
- GMC C5500 2006 2006
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