Much appreciated, thank you all.

Thank you for the input. I will refill the AC system for now as the car will be used for a long trip and schedule an AC service later to find the leak.

I'm looking for advice. There i a leak somewhere and the AC system is low on refrigerent. I am trying to find out if I only need to replace the magnetic clutch or the entire AC compressor. I had the car at a service shop a couple of weeks ago and they notified me the AC compressor was noisy. The AC ...