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  • Billman
    S2Forum Freak
    • Nov 2004
    • 4129

    #16
    It comes from the IM ! From the IM comes out out one hose, then divides in 2. One goes to the right of the car (i think to the ECU ) and the other with the One-Way Valve to the left of the car and in the inner side of the left fender!

    Greetings
    Go Holset or Go RS4

    Comment

    • porkkis
      S2Forum Extremist
      • Aug 2003
      • 1994
      • Country: Finland

      #17
      The ECU takes the vacuum/boost info directly from the IM, not through any check valve (of course!).
      Items behind the check valve in our cars are the automatic aircon and rear diff.
      Carbon canister lines go to the light blue solenoid valve, not to the IM.

      There might be a vacuum reservoir inside the LH front wheel arch. Can't really remember.
      -

      Comment

      • Hidshadows
        S2Forum Buff
        • Apr 2004
        • 30

        #18
        Originally posted by porkkis
        The ECU takes the vacuum/boost info directly from the IM, not through any check valve (of course!).
        Items behind the check valve in our cars are the automatic aircon and rear diff.
        Carbon canister lines go to the light blue solenoid valve, not to the IM.

        There might be a vacuum reservoir inside the LH front wheel arch. Can't really remember.
        Yup Vacuum reservoir, just looked at it today.

        Comment

        • Billman
          S2Forum Freak
          • Nov 2004
          • 4129

          #19
          From the IM in a T piece! One goes without any valve to the ECU the other on The Fender!

          Vacuum Reservoir! Maybe there is my prob! I dont have VAcuum on The Diff Lock Hose under the back seat! Maybe there is the prob! How can i get there (Bihind the left fender?

          Thanks People!
          Go Holset or Go RS4

          Comment

          • Hidshadows
            S2Forum Buff
            • Apr 2004
            • 30

            #20
            Originally posted by Billman
            From the IM in a T piece! One goes without any valve to the ECU the other on The Fender!

            Vacuum Reservoir! Maybe there is my prob! I dont have VAcuum on The Diff Lock Hose under the back seat! Maybe there is the prob! How can i get there (Bihind the left fender?

            Thanks People!
            Just remove the various screws in the wheel well that hold the plastic cover. To make it easier you can remove the tire but not necessary.

            Comment

            • Billman
              S2Forum Freak
              • Nov 2004
              • 4129

              #21
              Can you please send a foto because the things are little tight there!

              I must go from the wheel so under th eVacuum tank not from upside by removing the screws that hold the fender?

              Thanks
              Go Holset or Go RS4

              Comment

              • Hidshadows
                S2Forum Buff
                • Apr 2004
                • 30

                #22
                Originally posted by Billman
                Can you please send a foto because the things are little tight there!

                I must go from the wheel so under th eVacuum tank not from upside by removing the screws that hold the fender?

                Thanks
                Ah, I'd love to send a photo but I'm now about 50 miles from the car.

                Remove your wheel that is under the front left fender.
                There will be a large curved black plastic covering that is attached to the fender just about where the wheel sits. There will be a couple screws screwing the plastic part to the edge of the fender and a couple screws screwing the plastic part to the inside body frame. After that you'll have to wiggle the thing out.

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