GMC TSB #PIP4925B

2011 GMC Sierra 1500

TSB Document:

Affected Component: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL

Summary
This preliminary information document communicates a tip on the way to diagnose possible induction or exhaust air leaks using the evaporative emission cart smoke machine and ultrasonic leak detector tools.

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Date Published
DEC 03, 2018
NHTSA TSB #
10154552
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