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a/c thread sizes?

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    a/c thread sizes?

    anyone know what size threads the a/c components have? condenser, drier, firewall connections?

    any help is appreciated!
    91 m3

    #2
    No, but I will soon find out, either here or later this week when i recharge my a/c. Are you recharging yours? if so are you going to puill a vac on it first? Has anyone done this? any a/c recharge DIY on here? that may answer 325's question too.

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      #3
      i have to piece together my a/c before i can (re)charge it ;) need custom lines due to the engine bay being shaved...

      thats why i need to know thread sizes so i can order the correct fittings to match up to the condenser, drier, etc...
      91 m3

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        #4
        gotcha, well i am going to be looking at this tonight or tomorrow so if i can figure it out i will let you know.

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          #5
          The ac lines should be -4 AN

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            #6
            you sure about that?

            i'm thinking they are 5/8-18 & 3/4-16... i haven't been able to find a/c parts with an fittings.
            91 m3

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              #7
              Originally posted by 325Projectz View Post
              you sure about that?

              i'm thinking they are 5/8-18 & 3/4-16... i haven't been able to find a/c parts with an fittings.
              The fittings are metric. Recycling the OE fittings will probably be the path of least resistance.
              The car makes it possible, but the driver makes it happen.
              Jim Levie, Huntsville, AL

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                #8
                The A/C fittings are SAE sizes. The only aspect that is metric is the wrench flats.

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