all new system, every component new and replaced. I replaced the expansion valve and drier again on friday just to be sure. pulled vacuum with pump for 45 mins down to -25psi and let set for an hour no leaks. It still is only getting about 20 degrees Delta across the evap coil. Which is ok i guess b...

Thanks that’s the weird thing the evap is not freezing Up or getting anywhere near cold enough. I moved the “anti freeze” switch probe around to different sections of the evap. And checked with a thermometer the lowest temp I can find is around 40 degrees. The compressor never cycles it runs all the...

I have installed all new "stock" style components into my 1979 f250 with brand new everything including a sanden 508 compressor. I am lucky to get a 20 degree differential when the ac is on. Even after driving for 30 minutes the lowest temp I have seen from the vents is 50 degrees. When ga...