Black Oil dripping out of exhaust

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  • ian4455
    S2Forum Maniac
    • Nov 2010
    • 787
    • Country: England

    #1

    Black Oil dripping out of exhaust

    Prior to upgrading my 3b I had no issues, upgraded to used RS2 intercooler, new turbo, manifold and 3" exhaust system. My Car hasn't beed driven only started on the drive but noticed a bit of black oil dripping from the exhaust flange underneath

    Whats happened ?
  • driftin jo
    S2Forum Fiend
    • Sep 2007
    • 2222
    • Country: United Kingdom

    #2
    When you say dripping from the exhaust flange do you mean the down pipe ?
    If its the down pipe it is possible you have oil dripping / spraying on it from a hose .
    I have seen this before when people don't tighten or clean the mating faces of the turbo oil feed hose properly, it can squirt a fine jet of oil and if its going in that direction it may run down the exhaust.

    Comment

    • ian4455
      S2Forum Maniac
      • Nov 2010
      • 787
      • Country: England

      #3
      The dripping oil is coming from inside the exhaust
      Last edited by ian4455; 9 October 2011, 09:34.

      Comment

      • driftin jo
        S2Forum Fiend
        • Sep 2007
        • 2222
        • Country: United Kingdom

        #4
        Are you sure its oil and not just black water from condensation ?
        If it is oil then I suspect turbo oil seal is not seated right an is dumping oil into the exhaust

        Comment

        • ian4455
          S2Forum Maniac
          • Nov 2010
          • 787
          • Country: England

          #5
          ...could be but thinking about this, may be worth me putting some dye in the oil and UV light the dripping substance.

          Comment

          • driftin jo
            S2Forum Fiend
            • Sep 2007
            • 2222
            • Country: United Kingdom

            #6
            just catch some of it on something none absorbent an stick your finger in it you will know if it is oil or just black water.

            Comment

            • ian4455
              S2Forum Maniac
              • Nov 2010
              • 787
              • Country: England

              #7
              put my finger inside the exhaust pipe and its swimming in oil.

              Comment

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

                #8
                Get the turbo off and have the seals checked. It's likely to be the hot side if it's dripping with oil. I can't imagine a load of oil will do your cats any good, unless you've decatted?
                91 Modded 3B
                14 A6 Avant Black Edition

                Comment

                • ian4455
                  S2Forum Maniac
                  • Nov 2010
                  • 787
                  • Country: England

                  #9
                  No cats, 3" full system turbo back over.

                  Comment

                  • nip
                    S2Forum Extremist
                    • Apr 2006
                    • 1786
                    • Home: United Kingdom Current: Abu Dhabi

                    #10
                    Originally posted by ian4455
                    put my finger inside the exhaust pipe and its swimming in oil.
                    I had a turbo that failed it shot two and a half litres of oil into the exhaust.

                    Comment

                    • driftin jo
                      S2Forum Fiend
                      • Sep 2007
                      • 2222
                      • Country: United Kingdom

                      #11
                      Where did you get the turbo ? Through it at back at them .

                      Comment

                      • Billman
                        S2Forum Freak
                        • Nov 2004
                        • 4129

                        #12
                        Probably the turbo seal on the exhaust side. Check also the compressor side.

                        What turbo is it?
                        Go Holset or Go RS4

                        Comment

                        • ian4455
                          S2Forum Maniac
                          • Nov 2010
                          • 787
                          • Country: England

                          #13
                          Removed this afternoon, turns out its the hotside. Returned to manufacturer next week for repair.

                          Comment

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