Quote:
Originally Posted by Taylor95
Is the R134a replacement stuff still working good?
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Yes it is. I don't think this car's AC system has ever worked this well! I haven't needed to use the AC very much this year, but it still works great. When I have time, I might try to optimize the charge amount by adding a little refrigerant at a time until performance decreases then removing a little though.
Also, since this refrigerant is a blend, it must be slowly added as a liquid (can upside down) so it doesn't fractionate. Similarly, refrigerant also needs to be removed as a liquid if the system is overcharged. So if you overcharge and you need to remove refrigerant, you would release the refrigerant from the high pressure port with the AC running.