PAG or Ester oil?? A/c
07-26-2006, 02:22 PM
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PAG or Ester oil?? A/c
The person before me converted the ac system over to 134a in my 91. I am not sure what oil he used and i cant get ahold of him to see what he used. What type of oil should I use in the system? the system is completly discharged so i need to pull a vacuum on it. its just when i took off the low side it still had some pressure(not much) so some oil spirted out that i think i need to replace. is there any way to test what type it is? or should I just put ester oil in it?
07-26-2006, 02:27 PM
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Depends on how it was converted. R-12 and R-134a use completely different oils. In this case, I would just look for a R-12 replacement with oil, kinda like the ones they sell at Wal-Mart.
07-26-2006, 02:41 PM
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Re: (KillBot)
wel theres 3, the stuff that works with r12, the PAG oil that works with 134a and Ester works with both from what i remember reading. if ester oil works with both, should I just use that? not much oil came out tho.
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