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Answers

Why is my Audi A3's engine making a strange rattling noise?

Recently, I have noticed that my Audi A3's engine has been making a strange rattling noise. It seems to be coming from the front of the car and occurs when the engine is running. Does anyone have any ideas on what could be causing this and how it can be fixed?

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Answers (2)

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The most likely cause of the rattling noise is a loose or damaged heat shield on the exhaust system. This can easily be fixed by tightening or replacing the heat shield. It is important to address this issue as it can cause damage to other components.

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Another possible cause could be a failing water pump or tensioner pulley. These components are crucial for the proper functioning of the engine and should be checked by a mechanic as soon as possible.

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