Audi TSB #Campaign Circula

2011 Audi S4

TSB Document:

Affected Component: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)

Summary
On certain Audi vehicles with 2.0L TFSI engine, the diaphragm of the crankcase pressure regulating valve may have been damaged. Inspect and, if necessary, install a repair kit for the crankcase pressure regulating valve.

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Date Published
NOV 10, 2015
NHTSA TSB #
10123631
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