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March 5, 2019 Service bulletin

This informational bulletin explains the normal characteristics of exhaust noise during active fuel...

Chevrolet technical service bulletin 060605001H for 2007-2011, 2014 Chevrolet Silverado 1500, 2007-2010, 2014-2019 Chevrolet Impala and 2007-2019 Chevrolet Tahoe and others.

Bulletin number
060605001H
Component
Engine and engine cooling: exhaust system
Summary
This informational bulletin explains the normal characteristics of exhaust noise during active fuel management when in Three or Four Cylinder Mode.

Owners of these vehicles have filed 3,234 complaints in the engine category.

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