How do I troubleshoot a faulty AC compressor in my Audi A6?

My Audi A6's AC is blowing hot air and I suspect it's due to a faulty compressor. How do I diagnose and repair this issue?

One potential cause of a faulty AC compressor in your Audi A6 could be a leak in the system. I recommend checking for any visible signs of leakage and repairing any holes or cracks that you find.

Another possible reason for a faulty AC compressor could be a malfunctioning pressure switch. This can cause the compressor to shut off prematurely. I suggest getting the pressure switch checked and replaced if necessary.

It's also important to regularly check and replace your Audi A6's air filter. A clogged air filter can put extra strain on the AC compressor, leading to issues. Make sure to change the filter every 15,000 miles or as recommended by your manufacturer.