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How to troubleshoot a non-functioning AC in an Audi A4?

I recently noticed that the AC in my Audi A4 is no longer working. I've checked the fuses and they seem to be fine. What else could be causing this issue?

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Answers (3)

J

First, check the condenser to see if it is clogged or damaged. If so, it will need to be cleaned or replaced.

N

Another common cause for a non-functioning AC is a low level of refrigerant. Have a mechanic check for any leaks and add more refrigerant if needed.

I

It's also possible that the AC compressor is faulty. If you hear any strange noises coming from it, it may need to be replaced.

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