Vince, I read your note and have the exact same problem/experience with my 2001 T&C. Did you ever get a response? I charged my system with 2 cans of R134a and it gave me one cool ride to the store, then went hot again. Thats when I noticed the hissing noise from the rear ac module.
Saturday, June 5th, 2010 AT 1:49 PM