Air Conditioning

Looking at the FSM I realized the pulley and belt routing for the 4.0 6cyl Jeep engine is the same whether or not you have A/C, the belt is just a little shorter. With the belt off, all the accessories seemed to spin fine except the A/C compressor, which sounds like it has a bag of rocks instead of bearings. I went and bought a new serpentine belt for a no A/C application, and put it on. Sure enough, noise solved, and now we can drive the Jeep without worrying about the clutch seizing up and d

Could be a lot of things. Bad bearings in the compressor, or one of the fan motors. Could be low on freon, or just dirty coils. Which unit of the central air quits? the inside blower, or the outside condensor unit? Are the breakers tripping? Just not enough info to give you a good answer. Sorry, Good luck and God bless.