Turbo oil return pipe to block torque setting

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  • Tractor Dave
    S2Forum Zealot
    • Dec 2017
    • 5983
    • Country: Wales

    #1

    Turbo oil return pipe to block torque setting

    Just changing the gasket as I had a small oil leak from the turbo oil return to block pipe. Did a search here and found 10nm for the bolts. These are M8 so that seems very low
    An internet search suggests 18ft lb (24nm) which sounds more like it. Anyone have the Bentley manual and can check for me please?
    Nothelle S2 Avant
    Black Ur project
    Silver Rs2 Project gone
    Ocianic Ur project gone
    S2 Coupe project gone
    Urs6 plus project gone
  • SteveH
    Super Moderator
    • Jul 2003
    • 4460
    • Country: United Kingdom

    #2
    I use a little RTV on both sides of the gasket and snug it up. I'd guess at 20Nm.You can't really go wrong as the bolts are M8 and the flange on the return pipe is thick.
    91 Modded 3B
    14 A6 Avant Black Edition

    Comment

    • SteveH
      Super Moderator
      • Jul 2003
      • 4460
      • Country: United Kingdom

      #3
      Just checked the workshop manual and its 22Nm
      91 Modded 3B
      14 A6 Avant Black Edition

      Comment

      • Tractor Dave
        S2Forum Zealot
        • Dec 2017
        • 5983
        • Country: Wales

        #4
        Excellent.
        I did the same with the rvt.



        Sent from my iPhone using Tapatalk
        Nothelle S2 Avant
        Black Ur project
        Silver Rs2 Project gone
        Ocianic Ur project gone
        S2 Coupe project gone
        Urs6 plus project gone

        Comment

        • Mikes2
          S2Forum Extremist
          • Jul 2003
          • 1704
          • Country: Scotland

          #5
          My manual is saying 25 Nm
          Mike

          http://www.s2-audi.co.uk

          Comment

          • SteveH
            Super Moderator
            • Jul 2003
            • 4460
            • Country: United Kingdom

            #6
            I bet anything over 20Nm will crush the gasket. If it leaks tighten it a little. I use the Audi 200 workshop manual which is correct for my 3B. The ABY might have been revised.
            91 Modded 3B
            14 A6 Avant Black Edition

            Comment

            • Mikes2
              S2Forum Extremist
              • Jul 2003
              • 1704
              • Country: Scotland

              #7
              That's for the AAN / ABY
              Mike

              http://www.s2-audi.co.uk

              Comment

              • Tractor Dave
                S2Forum Zealot
                • Dec 2017
                • 5983
                • Country: Wales

                #8
                I've done it to 22nm and with the rvt I'm sure it's good.
                Thanks everyone for input
                Nothelle S2 Avant
                Black Ur project
                Silver Rs2 Project gone
                Ocianic Ur project gone
                S2 Coupe project gone
                Urs6 plus project gone

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