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Thread: Where does the vacuum check valve go?

  1. #1
    Join Date
    Feb 2006
    Location
    Abadiania, GO Brazil
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    32

    Default Where does the vacuum check valve go?

    Would someone be kind enough to tell me exactly where to connect the other end of the vacuum check valve? One en of it goes to the charcoal canister. I cannot seem to find where the other end goes.
    I have an M30 engine (1992 535i E34)
    One vacuum line going from Fuel Pressure regulator to nipple on intake manifold.
    One vacuum line from valve cover hose tee to other nipple on i.m.
    The line from the vacuum check valve should also connect somewhere under there. Does anyone have a picture?

  2. #2
    Join Date
    May 2004
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    Japan
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    9,257

  3. #3
    Join Date
    Feb 2006
    Location
    Abadiania, GO Brazil
    Posts
    32

    Default

    Yes, I have connected those two hoses. One to the FPR the other to the T on the hose coming from the valve cover. The issue is the hose from the Vacuum check valve.
    I can't figure out where that goes.

  4. #4
    Join Date
    Feb 2006
    Location
    Abadiania, GO Brazil
    Posts
    32

    Default

    Wait! I think I found it. There is a third nipple which in Shogun's picture shows up with a hose already connected to it, right next to the metal fuel lines. Now the only challenge is how to get the hose connected in such a tight space, but I am sure I will work it out.
    Thanks for the help.

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