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June 19, 2017 Service bulletin

Engine and engine cooling: exhaust system: emission control: crankcase (PCV)

Chevrolet technical service bulletin PIP5503 for 2014 Chevrolet Silverado 1500, 2015-2017 Chevrolet Tahoe and 2014-2016 GMC Sierra 1500 and others.

Bulletin number
PIP5503
Component
Engine and engine cooling: exhaust system: emission control: crankcase (PCV)
Summary
This Preliminary information communicates to the dealer additional information on checking for the engne crankcase being overfull on oil causing an engine vibration concern. The technician is advised to inspect for contaminnants and adjust the engine oil level as needed.

Owners of these vehicles have filed 859 complaints in the engine category.

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