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New S2 Avant Nothelle N300 owner

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  • I found the problem.
    No o ring at all! Just sealant.
    I will have to have a word with my engine rebuild mate.

    I’ve posted the old one to Alex so he can do some more engineering magic.



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    S2 Avant in restoration
    S3 Sportback daily
    Terrecan parts collector

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    • Nice one! I did wonder. Has he put a head gasket between the head and the block?

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      • Originally posted by steve briance
        Nice one! I did wonder. Has he put a head gasket between the head and the block?
        I hope so!


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        S2 Avant in restoration
        S3 Sportback daily
        Terrecan parts collector

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        • I need some help identifying these wires and where they go.

          These one come out by the front nearside headlamp.



          And these ones in the engine on the nearside. I haven’t plugged anything to the radiator yet. Looks like the three pin one might fit but it’s a bit short to reach. Have I routed them the wrong way?




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          S2 Avant in restoration
          S3 Sportback daily
          Terrecan parts collector

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          • The 3 pin flat connector looks like the otter switch (bottom of main rad) for some reason the wiring to this is always tight..

            The other one may be for something on the AC rad?

            S2 Coupe 3B Project


            Ur quattro restoration

            S2 Avant

            Boost is the new rock and roll!
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            • Is the pink 3pin one the speedo sensor that goes on the gearbox output flange?
              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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              • In the engine bay.
                Have you got the after run pump plugged in?
                Evap valve below throttle body?

                S2 Coupe 3B Project


                Ur quattro restoration

                S2 Avant

                Boost is the new rock and roll!
                sigpic

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                • Originally posted by AndyP
                  Is the pink 3pin one the speedo sensor that goes on the gearbox output flange?
                  Could be as it has the correct steel clip on the cable

                  S2 Coupe 3B Project


                  Ur quattro restoration

                  S2 Avant

                  Boost is the new rock and roll!
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                  • Originally posted by newsh View Post
                    In the engine bay.
                    Have you got the after run pump plugged in?
                    Evap valve below throttle body?
                    Yes and yes.
                    S2 Avant in restoration
                    S3 Sportback daily
                    Terrecan parts collector

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                    • Originally posted by newsh View Post

                      Could be as it has the correct steel clip on the cable
                      I think it is the speedo pick up. Don't think I've connected that yet. I will have another look tomorrow.
                      S2 Avant in restoration
                      S3 Sportback daily
                      Terrecan parts collector

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                      • What wires go to the air con compressor? I haven't got one to check the connections on. Could it be the other wires in the first pic above? Or maybe an alarm box? Don't have one of those either.
                        S2 Avant in restoration
                        S3 Sportback daily
                        Terrecan parts collector

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                        • The thee wires are connected to a relay plate. The 3pin is for the radiator
                          Attached Files

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                          • The other stuff you can see on the picture
                            Attached Files

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                            • Thanks rxl. That explains a lot. What is the relay plate for and where does it bolt to the car?
                              S2 Avant in restoration
                              S3 Sportback daily
                              Terrecan parts collector

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                              • Ah yes I didn’t see the third wire with the cable lug, it’s actually not a relay plate it’s a resistor plate for the different fan speeds

                                S2 Coupe 3B Project


                                Ur quattro restoration

                                S2 Avant

                                Boost is the new rock and roll!
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