Automotive Air Conditioning Information Forum

I also got this from JeepAir which is the company I got the parts from:

"That system uses a binary switch which is not a clutch cycling switch. A binary switch is a high and low safety cut off switch. It closes the circuit to the compressor (shuts off) if the high or low goes outside it's normal ...

I replaced everything when I did the work as it came as a kit, so I followed the instructions that came with the compressor - drained the existing oil it came with and added half of the 8oz bottle of PAG oil the kit came with to the compressor then the rest to dryer, condenser and evaporator.

After ...

Thank you for the reply
No, I was not revving the engine up when charging. That's not something I've had do with other vehicles so I didn't think about that.

This weekend I tried again. Low side pressure dropped down to about 15-20 psi a few times, and I was able to get about 1/3 of a can in. After ...

I just finished rebuilding a 1993 Cherokee that I converted from R-12 to R-134A, I replaced the entire system - all hoses, compressor, condenser, evaporator, expansion valve, drier and pressure switch.
Drew down vacuum, found and fixed a leak at the hot side connection to the expansion valve. Drew ...