what causes the front a/c on a e350 to cool and then quit while rear unit cools good?
the high pressure gauge is fluctuating and low is about 50 psi new ford compressor and orfice tube a/m drier
i put 3.38 Pd's in vehicle there's a tsb that calls for that instead of 3.8 Pd's also i have a add on rear not factory tsb states 30 oz 134-a