Questions tagged [refrigerant]

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What exactly is R-1234yf?

I keep on reading about a new refrigerant, R-1234yf, that is being adopted by some automotive manufacturers. What is this refrigerant all about, why are manufacturers considering it and what makes it ...
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High-side, low-side pressure readings slow to equalize after turning AC off

I was helping a friend yesterday with their E53 X5's AC system when I noticed this strange behavior: Before turning the AC on for the first time both high-side and low-side pressures read the same ...