2008 Cadillac STS TSB 10113338

Cadillac TSB #PIP5180A

2008 Cadillac STS

TSB Document:

Affected Component: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM

Summary
This Preliminary Information communication provides information to the technician about vehicles that have hard start, extended crank, or black smoke from the exhaust when starting. Technician will need to perform fuel quality test, spark test, and a compression test. Technician should also install a vacuum gauge prior to cold start and watch needle for signs of a sticking valve. Technician will need to review the latest version of PIP5029 and perform a cold compression test if the concern is only a Hard Start Cold.

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Date Published
JAN 24, 2017
NHTSA TSB #
10113338
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