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Why is my Audi A3 making a clicking noise when I turn the AC on?

I've noticed that whenever I turn on my AC in my Audi A3, there is a clicking noise coming from the engine. This only started happening a few weeks ago. Is this something I should be concerned about and what could be causing this?

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Answers (3)

D

The clicking noise you are hearing is most likely coming from the AC compressor. This could be a sign that the compressor is starting to fail and may need to be replaced.

E

Another possibility is that there is an issue with the AC clutch. Over time, the clutch can become worn and damaged, leading to a clicking noise when the AC is turned on. This can be fixed by replacing the clutch.

M

It could also be a problem with the AC belt or tensioner. If the belt is loose or worn, it can cause a clicking noise when the AC is turned on. This is a simple fix that can be done by a mechanic.

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