Gold Lifetime Member
Join Date: Jan 2005
Location: 2 Dog Town in West Texas
Re: Need Expert Help...69 Camaro A/C
I have never used the old poa valve set up but I do work with 134 and I have found that filling the unit up within 80% of what R12 volume was, helps even thought you may have to get a higher hi side pressure and little higher low side.
The other method of testing is to get the low side (cold line) inlet and outlet , within 5 degrees of each other, then leave it alone.
How about the dryer? Got a sight glass? I dont think you will freeze unit up unless you dont have enuff temp flow across evap.
TC # 349
Zdld17:69 Z/RS,306, NOR141111, 9N554XXX, 12A, X3G, 59/59,723, AFR 195,CCC282/290HR, TKO 600, BU1122B1E Owner since Dec 1968
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