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Can't figure out where this hose goes...

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    Can't figure out where this hose goes...

    So the 5 speed swap is complete on my car, but I can't figure out where this last hose goes into! It's connected to the little, nipple as they call it, connected on the side of the brake reservoir, which I believe should be going to the master clutch? I got the hose came undone a month or so ago, and I don't remember where it came from....

    Here's a picture. It's the green outlined one.

    #2
    I dont recognize the fitting on the end but the clutch master is definitely fed by brake fluid reservoir
    Seat Shocks....I have passed the baton to John Christy from Ninestitch. Email John or Garrett at ninestitch1@gmail.com

    https://www.r3vlimited.com/board/sho...86#post4944786
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    http://www.r3vlimited.com/board/showthread.php?t=360504
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      #3
      Almost looks like a booster line fitting on it. You sure its the right line?

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        #4
        The fitting is the small nipple on top of the clutch master cylinder. Should just pop back on to the top of it
        1989 cirrisblau-metallic 325i

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          #5
          The fitting on the end piece was connected to another hose, I believe. I had two short hoses so I just put them together. I just can't find the other hose that this one connected to.

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            #6
            Doesn't that go to the clutch slave cylinder on trans
            "I'd probably take the E30 M3 in this case just because I love that little car, and how tanky that inline 6 is." - thecj

            85 323i M TECH 1 S52 - ALPINEWEISS/SCHWARZE
            88 M3 - LACHSSILBER/SCHWARZE
            89 M3 - ALPINEWEISS II/M TECH CLOTH-ALCANTARA
            91 M TECHNIC CABRIO TURBO - MACAOBLAU/M TECH CLOTH-LEATHER

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              #7
              It doesn't got to another line or to the slave, its connected to the clutch master. I did a five-speed swap about two years ago, I looked at those parts a lot
              1989 cirrisblau-metallic 325i

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                #8
                ^ Yes.

                It is the feed for the clutch master cylinder. It comes off the brake res halfway up the side so that if you get a leak in the clutch system it doesn't drain the whole res leaving you with no brakes.

                It is not supposed to be a 2 piece hose, one end goes on the M/C (inside the car) and the other on the res.
                Lorin


                Originally posted by slammin.e28
                The M30 is God's engine.

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                  #9
                  Hose goes into the car and connects to the clutch master cylinder, also appears it has a nipple in it? That fits into the rubber grommet on the master cylinder.
                  -Build http://www.r3vlimited.com/board/showthread.php?t=295277

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                    #10
                    So I figured it out. The end piece, the plastic one you guys were wondering about, was put on the wrong way. Here is what it looks like


                    The right half goes into the clutch master cylinder, and the left half goes into the hose that connects into the nipple of the brake reservoir.

                    I just ran into a problem though. I found a pretty cool way to bleed the system, but I'm not sure what I'm doing wrong. Here is how I'm trying to do it.

                    As I connect the hose from the oil can to the bleeder screw on the slave cylinder, I start pumping but there is no air bubbles coming out of the brake reservoir at all! There's actually nothing coming out. What might I be doing wrong?
                    Last edited by mother_russia; 01-30-2013, 04:36 AM.

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                      #11
                      Originally posted by mother_russia View Post
                      As I connect the hose from the oil can to the bleeder screw on the slave cylinder, I start pumping but there is no air bubbles coming out of the brake reservoir at all! There's actually nothing coming out. What might I be doing wrong?
                      Not to be a dick, but you opened the bleeder on the slave right? If so, it should be a straight shot to the master cylinder.

                      Also, I believe the clutch (and brake) master cylinders are self bleeding. I don't know for sure, but you may not see air bubbles ever.
                      1989 325i Lachssilber Sedan
                      5-Speed Swapped
                      M30B35 Swapped
                      MegaSquirt MS3X

                      1987 325i Lachssilber Sedan
                      260k OEM Automatic Daily Baby

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                        #12
                        Brakes are not self bleeding. They need to be bled.

                        Make sure your opening up the bleeder valve enough.

                        Sent from my Galaxy Nexus using Tapatalk 2
                        -Build http://www.r3vlimited.com/board/showthread.php?t=295277

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                          #13
                          Ok got it all done! Thanks for the tips guys!

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