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November 13, 2015 Service bulletin

On certain Audi vehicles with 2.0L TFSI engine, the diaphragm of the crankcase pressure regulating valve...

Audi technical service bulletin Campaign Circula for 2012-2014 Audi A6, 2011-2012 Audi Q5 and 2011-2014 Audi S4 and others.

Bulletin number
Campaign Circula
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.

Owners of these vehicles have filed 266 complaints in the engine category.

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