On my 2012 ram 3500 im trying to understand the problem with my a/c. It stopped blowing cold so i hooked up my gauge set and saw it was low on freon, evacuated the system and put a vacuum on it and it held 30 in of vacuum overnight. Charged the system with about 1.5 lbs of freon and my next issue arose. Compressor was short cycling with low side at about 35 psi, high side would shoot to the moon, hence why it was cycling. Yet i had ice cold ac. I pulled the blower out and resister, saw debris on the evap and brushed/ vacuumed it out, still cycling. What where should i look next? Thanks in advance
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