Ok... I'm going to take it somewhere and have them evacuate, pull a vacuum, and charge it with 134a to factory spec. If it works after that, great. If not, I'll at least have some kind of reliable benchmark. The big difference in pressure suggests to me that there's an obstruction or a failing expan...

The pump pulled it down to around 20"Hg, and the system held that vacuum for no less than 45 minutes. Just FYI, that's not a sufficient vacuum to remove all the air and moisture from the system, if any, and evacuating won't remove any oil at all. At this point, I suggest having a professional ...

Hello everyone, I'm asking about the a/c on my 1996 Jeep Cherokee Country, 284k, factory R134a system that may or may not be running the original parts. I didn't get any maintenance records with it. When I first bought the car back in January, I could tell that the a/c worked well enough to defrost ...