Automotive air conditioning and home air conditioning distinction:
Refrigerant Model is not the same, the car is R134a, the household the R22 (refrigerator R12) before cars R12
2 interface is not the same
Compressor cooling capacity is not the same, so the pressure is very different
4. Use of the environment is not the same, relatively stable home air conditioning refrigerant leakage less prone to leakage of the car
In addition, start-up mode, voltage has a difference of
To the 4s to ask, are generally required $ 200-300, they use special equipment (vacuum filter plus back), insufficient pressure to give supplementary
In fact, most of your original car refrigerant, only a small amount of supplemental
In my experience, there is no need to vacuum (if your refrigerant leaked out, is another matter), some stores will scare you into the air and water, and so on, your system must be re-change refrigerant, do not listen to them flicker, they may not make, or may in the flicker your wallet.
I experiment with their own car, to share experience and, if there are different views, you can exchange with the language of civilization, car black, car care, repair shop, prop, Bypass.
There is also a very important problem of pressure data of Internet rumors, I am, followed by a detailed description of the edge map, side to explain it
Simple online shopping plus liquid form, is relatively simple, requiring high double table, the kind of deflated more convenient, shot at home in bed, sharpness can also use SLR ah
Special refrigerant, now too many fakes, or to get the fly is your bit, I bought two bottles, two cars, plus with a try. Look workmanship also can
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