Mitsubishi Montero Noises Squeal

My Belt Has A Slight Sqeek While Running But When I Turn The Air On It Starts To Squeal. My Air Conditioning Has Plenty Of Refrigerant But...

I Turned The Ac Off And On Again And The Squeal Stopped. Is There Anything I Can Do To Service The Ac Or Should I Start Shopping A...

My Ac Is Freezing Up Causing The Belt To Squeal. I Turn It Off/on And It Frees Back Up. Is There Anything I Can Do To Service It To Make...