Emmanuel

Whistling noise from Audi A4 Allroad engine - help needed!

Hello everyone, I have an Audi A4 Allroad and have noticed whistling noises from the engine, which occur from a speed of around 35 km/h and get louder when I drive faster. I also hear clicking/knocking noises as well as howling or grinding noises. Does anyone have any idea what the problem could be and how I can fix it? Any help will be greatly appreciated. Thanks in advance!

(Translated from German)

An Audi A4 Allroad owner reports a whistling noise from the engine that intensifies with speed, accompanied by clicking and howling sounds. A suggested cause is a vacuum leak, and it's recommended to inspect hoses and connections for wear or damage. Further investigation is advised if the issue continues.

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Start by checking for any vacuum leaks in the engine bay, as these can cause whistling noises. Inspect hoses and connections for any signs of wear or damage. Let me know if you find anything unusual or if the issue persists.

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