de-gassing the system

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  • s2driveruk
    Super Moderator
    • Jul 2003
    • 12696
    • Country: England

    #1

    de-gassing the system

    As i'm about to remove the engine and it's aircon'd, what's the best way to clear down the system. My car has a non CFC R12 drop in gas replacement (rs24 IIRC). Do I need someone to recover the gas or can i just depresurise the system by venting it myself????

    Thanks,

    David
    sigpic

    1992 3b S2 Coupe
  • 4WheelDrifter
    S2Forum Zealot
    • Oct 2004
    • 5773
    • Country: Devon

    #2
    Originally posted by s2driveruk
    As i'm about to remove the engine and it's aircon'd, what's the best way to clear down the system. My car has a non CFC R12 drop in gas replacement (rs24 IIRC). Do I need someone to recover the gas or can i just depresurise the system by venting it myself????

    Thanks,

    David
    I accidentally cracked open an A/C hose when I took my engine out, by mistake of course. Then stood well back.
    SS

    Comment

    • s2driveruk
      Super Moderator
      • Jul 2003
      • 12696
      • Country: England

      #3
      how long did it hiss for???
      sigpic

      1992 3b S2 Coupe

      Comment

      • 4WheelDrifter
        S2Forum Zealot
        • Oct 2004
        • 5773
        • Country: Devon

        #4
        Quite a while.
        Lucky it wasn't on a pipe that was near any bodywork or anything important. Some bright leak detection dye came out.
        SS

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        • denniselbows
          S2Forum Maniac
          • Mar 2007
          • 740
          • Country: United Kingdom

          #5
          if you do accidentally undo the pipe and all the gas escapes just crack it off and leave it for as it takes or you can undo it fully and get covered in the oil in the system as i did only took a couple seconds to loose all the gas when i accidentally undid the pipes. i think it is acturely illegal to purposly let aircon gas into the atmosphere but how they catch you i do not know
          never set your expectations to high that way you are never disapointed

          Comment

          • s2driveruk
            Super Moderator
            • Jul 2003
            • 12696
            • Country: England

            #6
            as i need to get it regassed once the engine is back in and the compressor has been changed i might see if i canget the local guy i use to take it out then come back ina couple of weeks to re-gas.
            sigpic

            1992 3b S2 Coupe

            Comment

            • denniselbows
              S2Forum Maniac
              • Mar 2007
              • 740
              • Country: United Kingdom

              #7
              the gas is reusable it just gets filtered on the way back in. what's up with the compressor?
              never set your expectations to high that way you are never disapointed

              Comment

              • s2driveruk
                Super Moderator
                • Jul 2003
                • 12696
                • Country: England

                #8
                p**sing oil out....
                sigpic

                1992 3b S2 Coupe

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                • shadquattro
                  S2Forum Addict
                  • Aug 2003
                  • 263
                  • Home: England Current: Scotland

                  #9
                  it is illegal to just let the gas out , and its about 10k fine or a fairly hefty sentence ,gas can be recovered and used again , just make sure that you close the system back up so no moisture gets in. I know several engineers who have unused recovery machines in the vans
                  skint but fast

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