Geo Tracker AC questions.

[Twister]

My little sisters AC in her Tracker stopped working. I think i got it so it wont leak anymore, pulled a vacuum and it appears to be holding. When i was messing with it, it lost maybe a tablespoon or two of oil/dye. It has r134a fitting and was serviced in 2010 so i think it is safe to assume ot has been converted. My question is, will loosing that oil/dye hurt anything, of so how can i tell which oil to put back in?

Thanks

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[adsm08]

Pretty much all domestic makes use PAG46. It is unwise to run an AC system with low oil, just like it is to do with an engine.

 

[Twister]

Thanks for the response. Is Pag the kind of oil they would use for a retrofit, or a r134a conversion? Or would an ester oil have been used?

The Tracker is a 1992 and appears to be converted to r134a, just not airw what kind of oil to put back in it.

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[adsm08]

If it has 134 in it it better be PAG and not ester. There are some, how shall we say, chemical incompatibilities there.

 

[Twister]

If it has 134 in it it better be PAG and not ester. There are some, how shall we say, chemical incompatibilities there.

Thanks.

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