i have pumped up pressure to high end and low end of the system with nitrogin and cant hear or see leak. i did try to fill system with refridgerant first and it leaked out in a day and a half so it has a big leak but i am so boggled by this. do you have any advice for me
Replace the Evaporator. Ask any repair shop and they will tell you that the evaporator is the most common problem with the jeep Cherokee’s. This is also why it is difficult to see a leak. You might have to run the Air Conditioning and use a sniffer to prove it since it is buried in the dash.