GMC TSB #PIP5612A

2019 GMC Sierra 1500

TSB Document:

Affected Component: ENGINE AND ENGINE COOLING

Summary
This Preliminary information communicates A vehicle may have a humming, whining or whistle noise from engine bellhousing area. This could be caused by a restriction in the PCV system   

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Date Published
DEC 06, 2018
NHTSA TSB #
10154567
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