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mike_a_mechanic, Mechanic
Category: Audi
Satisfied Customers: 5471
Experience:  17 years experience as a auto mechanic, foreign and domestic.5 years running my own repair business.
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hi i have a audi a3 2.0 diesel 55 plate when driving at low

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hi i have a audi a3 2.0 diesel 55 plate when driving at low speeds the engine makes a whistling sound when slowing down or speeding up can you please tell me why
Hello, welcome. My name is***** will do my very best to assist you with your question. I apologize if you have been waiting long for a response.
Are there any warning lights coming on at all?
Customer: replied 3 years ago.

no warning lights i wondered if it was the turbo car has done 13000miles but there is no smoke from exhaust ta

Yes what you are describing is in fact consistent with a failing turbo. The turbo impeller fins have become weak which is where the noise comes from they will eventually break off. The turbo can not be repaired and will need to be replaced.
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