hi.. i have a question for you guys i have a 1996 ford ranger and im having a problem with my a/c not getting cold, i put 2 cans of freon r134 and the compressor comes on and the system is full of freon, but my a/c never got cold, i dont understand i touch the a/c hoses comming from the condensor and they are very hot blowing hot inside to, what can this be please help me its getting hot here in houston tx thank you guys for the help.