Alright this beast has front and rear A/C the rear blows a little cold but the front is only slightly cold. I've replaced the Orifice tube and it seemed to get a little better as far as temperature goes. I flushed the system with A/C system flush. I can only get about 1.5 12oz. cans of 134a into the system before it reads full charge. I've also removed the front evaporator and cleaned out the fins for better flow through the ducts. The outside temp was 98*F the duct temp was around 75*front and 68* rear. what would cause the front not to cool the same as the rear. I've attatched a diagram of the system, maybe someone can figure it out better than me......Thanks guys
http://s37.photobucket.com/albums/e7...t=aclayout.jpg
The low pressure side reads in the blue on the advance auto parts pressure gauge, I haven't read the high side at all. when you drive the vehicle the rear blows cold for about 10 minutes or so then both front and rear blow warm. after parking the vehicle and letting it idle the gauge reads in the yellow. ?????