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Don't switch to 1234yf refrigerant
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White70JavelinSST View Drop Down
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Points: 4866 		Post Options Post Options   Thanks (0) Thanks(0)   Quote White70JavelinSST Quote  Post ReplyReply Direct Link To This Post Posted: Aug/26/2019 at 1:48pm
Originally posted by 304-dude 304-dude wrote:

Originally posted by White70JavelinSST White70JavelinSST wrote:

304-dude

go ahead post up the pdf info on available lubricants and their uses, for any existing or planned AC system service.

Hope some one will be able to benefit from it.


Ok, here is the PDF...

www.airstal.com/dokumenty/atsb83-05-2017.pdf

Take note PAG oils come in various viscosities, do not mix them, unless the system is flushed and the compressor is an upgraded design. Example, SD7 uses a lighter viscocity than SD508, even though they are similar in design. SD508 is superceded by the SD7. GM had at one time, changed from PAG 100 (thicker) to PAG46 with select units.





The link takes me to a page that states the "file or directory cannot be found"


Edited by White70JavelinSST - Aug/26/2019 at 1:50pm
70 Javelin SST, second owner, purchased 1972
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White70JavelinSST View Drop Down
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Points: 4866 		Post Options Post Options   Thanks (0) Thanks(0)   Quote White70JavelinSST Quote  Post ReplyReply Direct Link To This Post Posted: Aug/26/2019 at 1:49pm
Try this link
70 Javelin SST, second owner, purchased 1972
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farna View Drop Down
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Points: 19676 		Post Options Post Options   Thanks (0) Thanks(0)   Quote farna Quote  Post ReplyReply Direct Link To This Post Posted: Sep/30/2019 at 6:13am
Here's a good article on the new refrigerant:

I hope it gets colder, therefore is more efficient (can use smaller, lighter components), because it seems like more of a PITA to use. If less than 98% pure it can't be recycled as other refrigerants are, has to be recovered and destroyed. To me that indicates it might a blend of several chemicals, but I didn't research the chemical makeup.
Frank Swygert
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