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  1. #1
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    How much R134A does it take?

    My boy is charging my AC tomorrow. How much r134a does it take? My conversion sticker doesnt say. Thanks!


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    does he have gauges?

    you [he] should fill it till the psi on the high side is approx. twice the ambient temperature (this is what I've heard, but it took a little more than that for me). It may take more than that, but add it till the glass on the drier goes clear, I've found that is about the max. efficiency of 134. You shouldn't need but 2 cans if empty, but get 3 to be safe. If it's empty you might want to add some PAG oil to the system for the compressor.

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    MajorRugburn
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    it takes about 2 pounds of refrigerant, but (m)

    unless your car has been converted to 134a it needs R12, still about 2 pounds but R12 not 134a. and "your boy" can't handle R12, only an authorized dealer can.

  4. #4
    HELLO THAR N00B
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    that doesnt mean too much

    REMWBBER SCOTUTY CANH ANDLSE R==12F




    HOPEFULLY YOU GET THE JOKE.


    -SCOTTY, I'M JUST BREAKING YOUR BALLS, YOUR A GOOD [Oops!].

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    Well he works at a dealer so I think he can...

    didnt end up getting it charged today though. Mine is converted thats why I specifically said 134A.

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    Re: How much R134A does it take?

    I put 1.9 lbs of R134a in the two cars Ive converted over. I'll assume you did the other necessary conversion parts (rec/drier with single pressure switch, expansion valve, etc.)

    good luck!

    Kyle B
    NCC

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    About 28-30 oz. by weight.

    R134a isn't as dense as R12, and thus you need slightly less.
    2.15 lbs of R12
    Nominal R134a fill is 80%-0%+5% of system capacity, = 27.5-29.25oz.

    If you use hydrocarbon fills (propane/iso-butante mixtures), you should use even less. About one pound of propane will fill the system.



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