S2 turbo rebuild

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  • spannerboy
    S2Forum Tinkerer
    • Nov 2015
    • 7
    • Country: United Kingdom

    #1

    S2 turbo rebuild

    Hi guys thank you for letting me join ,I have owned Audis for years and have just purchased a 95 s2 avant ,it has a slight problem as it is overboosting and cutting the engine ,I am assuming it is a weak spring inside for the waste gate,is this a hard job to do or leave it to the proffesionals ?,many thanks in advance simon
  • dbojar
    S2Forum Enthusiast
    • Jan 2014
    • 134
    • Country: Poland

    #2
    Hi,
    I think You can handel it. Its 5 min job.

    Comment

    • Error404
      Super Moderator
      • Mar 2007
      • 19789
      • Country: United Kingdom

      #3
      Welcome
      A weak wastegate spring won't cause over boost. Sounds like fuel cut to me. Have you pulled the fault codes?
      First step after doing that is to carry out a full boost leak test.
      Panthero Coupé quattro 20vt
      Indigo ABY coupé
      Imola B6 S4 Avant

      Comment

      • Rusty
        Super Moderator
        • Jun 2004
        • 18953
        • Country: United Kingdom

        #4
        It's one of 3 things:

        1. A boost leak.
        2. A boost leak.
        3. A boost leak.

        to S2 ownership
        Cheers'en, AndyC
        1994 ABY Coupe - Projekt Alpinweiss

        Comment

        • spannerboy
          S2Forum Tinkerer
          • Nov 2015
          • 7
          • Country: United Kingdom

          #5
          Cheers guys , I'll check all the pipes , just thought I'd ask first for pointers

          Comment

          • macspring
            S2Forum Zealot
            • Mar 2005
            • 6371
            • Home: Ireland Current: Wallis & Futuna

            #6
            Originally posted by Rusty
            It's one of 3 things:

            1. A boost leak.
            2. A boost leak.
            3. A boost leak.

            to S2 ownership
            Perfect summation of the car's issues and the new owner's self imposed future.

            Grief, money, interspersed with moments of full boost.

            Comment

            • spannerboy
              S2Forum Tinkerer
              • Nov 2015
              • 7
              • Country: United Kingdom

              #7
              Ha ha ha , I think I will be ok , it makes a little chattering as it spools up so I might just pull it and check it over anyways

              Comment

              • Rikki Kitto
                S2Forum Zealot
                • Feb 2010
                • 6276
                • Country: England

                #8
                Did someone mention a boost leak
                to the wonderful world of bottomless money pits

                Comment

                • Kieron20V
                  S2Forum Extremist
                  • Mar 2008
                  • 1505
                  • Home: England Current: United Kingdom

                  #9
                  Might as well throw a stroker and a gt35 at it while your checking for boost leaks.

                  Sent from apollo 13 using tapatalk
                  1994 URS4 Avant RS2+

                  Comment

                  • spannerboy
                    S2Forum Tinkerer
                    • Nov 2015
                    • 7
                    • Country: United Kingdom

                    #10
                    no ,its a realy low mileage/low owner honest car its staying standard

                    Comment

                    • RichLV
                      S2Forum Maniac
                      • Mar 2015
                      • 872
                      • Country: Latvia

                      #11
                      Originally posted by Kieron20V
                      Might as well throw a stroker and a gt35 at it while your checking for boost leaks.

                      Sent from apollo 13 using tapatalk
                      This had me rofl. 20vT ownership routine.

                      Comment

                      • UrS4boy
                        S2Forum Obsessed
                        • Feb 2006
                        • 11859
                        • Country: Canada

                        #12
                        S2 3B and ABY and RS2 ADU Boost Leak Testing

                        Originally posted by spannerboy
                        Cheers guys , I'll check all the pipes , just thought I'd ask first for pointers
                        S2 3B and ABY and RS2 ADU Boost Leak Testing:

                        Click here:http://www.s2forum.com/forum/showthr...t+leak+testing

                        RS2'd 93 UrS4 5 spd sedan
                        94 UrS4 V8 6 spd manual avant

                        Comment

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