Remove your compressor, drain mineral oil, flush compressor and lines w/non clorinated brake cleaner using an air compressor and blow tip to remove old oil/junk. Fill compressor w/PAG oil. Install new expansion valve. Install new filter dryer. Close all lines. Vac system. Install new R 134a ports. Charge to around 40 PSI on low side: 80% of R-12 charge. Sight glass may still show bubbles. Cold air blows and your done.
"Fitz-Randolph, Douglas" wrote: > Hi all. Does anyone know of a good article on a website > or a good list posting that covers R12 -> R134A AC > refrigerant conversion? I've got the little $30 kit > from InterDynamics, I've located the high and low > service ports, but just wanted to do some further > reading before proceeding - I know this was a topic > discussed at some length a while ago, but I haven't > had much luck searching the archives lately. > > Thanks. > > > Doug Fitz-Randolph > > Freeport, ME > > '90 Syncro |
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