A/C Blowning HOT AIR !!!HELP!!!

[luvburd]

Hi everyone I am new to this site and I need your help.
I have a 2004 TB with 2800 mile on it and last weekend the wife and myself went for a drive only to find out that the A/C was only blowing hot or warm air no COLD air at all. I talked with my bother and thinks that I may be low on freon?, so I wanted to recharge the system but I could not find the low side intake connection, can anyone instruct me to its location!. I was going to take the car in to the Ford dealer but my wife said that the car was no longer under warranty can anyone answer that question for me also.
Thank you for your time.
Bill Schopp
luvburd