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November 22, 2017 Service bulletin

This informational bulletin advises the technician of how the Soot information has changed from grams to...

Chevrolet technical service bulletin 17NA374 for 2017-2018 Chevrolet Silverado 1500, 2017-2018 GMC Sierra 1500 and 2017-2018 Chevrolet Silverado 2500 and others.

Bulletin number
17NA374
Component
Engine and engine cooling: exhaust system
Summary
This informational bulletin advises the technician of how the Soot information has changed from grams to percentage.

Owners of these vehicles have filed 412 complaints in the engine category.

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