Quote:
Originally Posted by texadelphia
The can says it's R134. You can't even buy R12 anymore. I know because I tried to track some down for.my 91 corolla.
I considered getting a vacuum pump and set of gauges but I wanted to give this a shot first in case it's just a slow leak from age.
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Quote:
Originally Posted by Sparky 97Runner
If he's doing this on his 97 4Runner he has a factory R134A system, not R12. I would stay away from parts store refrigerant with leak sealers but straight 134A should be fine. Refrigerants are very highly regulated and I seriously doubt they would try to mix it with propane.
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https://www.canadiantire.ca/en/pdp/r..._psugg_q=freon
I have written ''R12A'', but my memory failed me, and it's ''12A''. It's written R134A on the can but it might not be R134, here in canada, I never see R134A in cans, we get cans which are written R134A but is 12A inside, which is not freon, it's some kind of propane.
Look everywhere on the can you bought and be sure it is NOT this very common 12A and REAL 134A.
I've tried, and mixing both is a real mess, also, that R134A replacement really sucks even with the perfect vaccuum and fill. If you mixed, simply have to vaccuum and fill back with the real deal.
edit: seen that you got your system back to cold, glad you got it going, you saved a LOT of $$$. I am at my 3Rd A/C system overhaul, so imagine how much it's possible to save with a good manifold set and a 100$ vacuum pump. Also, the new type of cans is IMO better, since I can leave a can half used and finish it on a later job without having to leave the fitting screwed on them permanently.