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134a conversion

ceasefire49 on Fri June 27, 2014 2:27 PM User is offline

Year: 1986
Make: GMC
Model: 6.2 Rallye Van 3500
Engine Size: 6.2
Refrigerant Type: R12
Ambient Temp: 106

Okay here is the deal..Since I did some work over time on a Boat hauler I have. I decided to trash the R12 compressor(leaking) and get a rebuilt one. So I got the rebuilt a-6 Harrison and I have decided to convert to 134. Okay I have the new accumulator and I am purchasing a new condenser. Nearly impossible to find hose for it so I am going to do a good flush on it as I had it rebuilt a few years ago. Probably get a new evap as it looks fairly easy to change through the suitcase. So if I get all new parts (Hell I may even have the hose rebuilt again) what the best oil to use in that compressor? I have heard ester Pag 150 you name it. I want the compressor to last more then a few years so the best oil would be cool to know..thanks.

Too Dumb to die

Edited: Fri June 27, 2014 at 2:29 PM by ceasefire49

bohica2xo on Mon June 30, 2014 12:08 AM User is offline

For 134a in an A6 you can use either Ester or DEC PAG. The A6 was designed for ISO 100 grade oils.

Drain & refill the sump on the A6 with what ever oil you will use in the system. Compressor flushing instructions HERE

"Among the many misdeeds of the British rule in India, history will look upon the act of depriving a whole nation of arms, as the blackest."
~ Mahatma Gandhi, Gandhi, An Autobiography, M. K. Gandhi, page 446.

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