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another summertime ac question

CmdrPopNFresh

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anyone know how much pag oil to add after a flush? i cannot for the life of me find specs anywhere. im doing a retrofit to r-134a and im wondering how much pag oil to buy.

thanks guys!
 
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CmdrPopNFresh

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o there it is! i always forget that we have alldata here.

just incase someone else is doing the same as me

32oz of r-12

7oz of yn-9 oil

so hopefully il charge it the same amount for 134......any ideas? ive never done a retrofit before...at least im cutting my teeth on my own vehicle
 
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meterman1976

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dont quote me on this, but i believe i remember reading somewhere, you put 80% of the R-134a in.. so how ever much of the r-12 minus 20% is what you put in of the R-134a
 
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marragtop

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Are you sure you got all the old oil out? Did you replace the accumulator and orifice tube?
 
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eXcali

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I would use a quality guage to be certain of fill lvl. If you know someone with a shop you could sweet talk them into filling it up at their cost. Some shops only pay $6 per pound for R134a. The do it yourself cans will run you about 4X more..
 
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CmdrPopNFresh

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I would use a quality guage to be certain of fill lvl. If you know someone with a shop you could sweet talk them into filling it up at their cost. Some shops only pay $6 per pound for R134a. The do it yourself cans will run you about 4X more..

i am a ford tech so ive gat all the ac equipment i need and i can fill for free. and i did a very thorough flush......i guess il see what happens
 
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Anime

EF YEAH!!
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What sort of retrofit? Are you using the Ford kit, or just putting R-134a in an evacuated R-12 system?
 
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