Ford Explorer Air Conditioner Leak

I Changed The Air Filter Which Was Clogged Bad We Just Bought It Now It Wont Hold Freon Clutch Kick On And Off Will Blow Cold When Added But...

A/c Expels Freon (i Assume) When Compressor Engaged, Through A Small Brass Fitting On The Manifold Hose Block Connected To Compressor....

Bought New Suction Line For A/c. New Hose Had Three O-rings Where As Old Hose Had Two O-rings. The Metal Pipe Diameter Was The Same Size....

My Air Conditioner Coolant Is Leaking Out How Do I Fix The Leak If It Is On The Metal Pipe And Not The Rubber Hose. The Coolant Leaks From...