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December 1, 2007 Service bulletin

Duramax diesels with ses light and DTC P0402

Chevrolet technical service bulletin 4147 for 2007-2008 Chevrolet Silverado 1500, 2007 GMC Sierra 1500 and 2007-2008 Chevrolet Silverado 2500 and others.

Bulletin number
4147
Component
Engine and engine cooling: engine: diesel
Summary
Duramax diesels with ses light and dtc p0402. Kb updated 2/27/08. Nj

Owners of these vehicles have filed 200 complaints in the engine category.

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