Re: 1991 V3500 Project Heavy Hauler
Defrost saga update: 195 degree thermostat helps a lot. It is much more pleasant to drive at sub zero temps. I checked the compressor earlier this winter and it WAS cycling but that was when I pulled it out of the garage and everything was warm. Checked it today after I had been driving a while and it was not cycling. I'm scheduled to get my custom cold front installed next week which will bring the under hood temperatures up considerable. I'm also going to check my refrigerant pressure when it's cold to see if that could be keeping the pressure switch from letting the compressor cycle?
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