Fixed it!!

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  • DJones
    S2Forum Fiend
    • Jun 2005
    • 2020
    • Country: United Kingdom

    #1

    Fixed it!!

    I have had this whistling leek on the exhaust side for some time now, was damned if i could find it....

    Anyway i made a smoke pressure tester, and hey presto found it straight away. It was the bottom bolt that holds the turbine housing to the bearing body on the turbo.

    Had to be the most difficult one to get at, hidden behind the oil return flange...

    Any way all sorted and as quiet as a mouse, there was me thinking it was a cracked manifold...:corey:

    Darren.
  • AndyP
    S2Forum Zealot
    • Feb 2004
    • 6049
    • Country: England

    #2
    Just found a similar leak on mine, found with good old soapy water sprayed on the turbo while pressurising it.

    How did you make the smoke tester? Mark used one when he did mine and it was very useful so I looked it up when I got home, it was £800
    sigpic
    1991 Audi S2 3B - 2.5 Stroker engine
    1997 A6 2.5TDi quattro avant - C4
    1976 RD250E / 350LC cafe racer

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    • newsh
      S2Forum Obsessed
      • Aug 2003
      • 16226
      • Country: United Kingdom

      #3
      Nice one. How did you do the smoke?

      S2 Coupe 3B Project


      Ur quattro restoration

      S2 Avant

      Boost is the new rock and roll!
      sigpic

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      • DJones
        S2Forum Fiend
        • Jun 2005
        • 2020
        • Country: United Kingdom

        #4
        I welded up an 8" cube and welded a screw on lid on one side. I then welded two male push fit connectors to place it in line on the compressor hose.

        Lit a smoke pellet (what you use for testing flues for leaks) and dropped it in the cube screwed the lid on and turned up the pressure, hey presto...!

        The pellet only burns for 40 seconds but it leaves plenty of smoke behind..

        Comment

        • newsh
          S2Forum Obsessed
          • Aug 2003
          • 16226
          • Country: United Kingdom

          #5
          Flash

          S2 Coupe 3B Project


          Ur quattro restoration

          S2 Avant

          Boost is the new rock and roll!
          sigpic

          Comment

          • djh
            S2Forum Extremist
            • Jun 2011
            • 1622
            • Home: United States Current: United Kingdom

            #6
            any pics?

            Comment

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

              #7
              very clever and glad you found it not exactly low on performance though was it
              sigpic

              1992 3b S2 Coupe

              Comment

              • DJones
                S2Forum Fiend
                • Jun 2005
                • 2020
                • Country: United Kingdom

                #8
                Originally posted by s2driveruk
                very clever and glad you found it not exactly low on performance though was it
                Lol, no but they are like your kids, you know when something's not right...

                Comment

                • DJones
                  S2Forum Fiend
                  • Jun 2005
                  • 2020
                  • Country: United Kingdom

                  #9
                  Originally posted by djh
                  any pics?
                  Sorry no..... my kids borrowed my camera and have some how made it vanish.. Not sure pictures would give you anymore in truth. Its just a square box with a lid and two pipes sticking out either end...

                  Comment

                  • Bram
                    S2Forum Fiend
                    • Aug 2006
                    • 2582
                    • Country: Netherlands

                    #10
                    nice find Darren!
                    Attached Files

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