2011 Audi A5 high pitch whistle
#1
2011 Audi A5 high pitch whistle
Hi guys I drive a 2011 Audi A5 2.0t tfsi with 101,xxx Miles on it. Lately I have been hearing a very high pitch whistle noise. I have an aftermarket air filter on it but that is all. It is not the air filter. Could this be as simple as a boost leak? or could it be shaftplay and time for a new turbo?
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