Question: I bought r1234yf PAG dye but my car 2019 CRV says it uses POE oil. Is it a problem to put PAG dye in this ac system? This is new and uncharted territory, so I'll say up-front that I'm not 100-percent sure. What I've heard is that MACS discourages the use of dye in R-1234yf systems regardl...

I bought a r1234yf can tapper and the threads are 1/4" sae threads. Of course that didnt fit.......this has been so frustrating and confusing getting information. I need to buy another r1234yf can tapper now that has 1/2" acme thread. Hmmm...I wonder whether the package was mislabeled or ...

question 1) I notice these r1234yf does not have a purging valve on the yellow charging hose...is this going to be a problem when charging? Why can't you just unscrew the hose fitting slightly/briefly at the manifold end to purge out air???? Like I did with R134a earlier in the week.... OP, it's no...

Hello I need to fix an ac issue on my car that has r1234yf I bought this manifold guage set: (Moderator removed link.) question 1) I notice these r1234yf does not have a purging valve on the yellow charging hose...is this going to be a problem when charging? question 2) are all r1234yf yellow charge...