problem after bleeding the clutch

Discussion in 'Motorcycle Technical Discussion' started by hrnplr, Jul 21, 2004.

  1. hrnplr

    hrnplr Guest

    The hydraulic clutch lever on my 83' honda magna v45 was feeling
    really spongy recently so I decided to bleed it today. I followed the
    instructions in the clymer manual and bled it until the fluid coming
    off the bleed valve had no bubbles and was not dirty. I made sure
    everything was very clean before doing anything too. As I bled the
    fluid the resistence grew less (logically), but once I filled up the
    master reservoir the lever remained really free. Now, pulling the
    clutch lever doesn't do anything; it pulls right in and doesn't
    disengage the clutch at all. Anyone have any idea what may be wrong?
    The fluid is at the correct level and the bleed valve is tight, as is
    the reservoir cap. I'd appreciate any suggestions.

    Matt
     
    hrnplr, Jul 21, 2004
    #1
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  2. That phrasing makes me think you weren't topping up the level
    continuously. If you let the fluid level drop too far, you may have
    drawn air into a section that normally isn't affected by bleeding.

    --
     
    Dennis Lee Bieber, Jul 21, 2004
    #2
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  3. hrnplr

    Battleax Guest

    Indeed, if the lever pulls all the way in with nothing moving at the other
    end it's more than just a little bubble at the banjo fitting.
     
    Battleax, Jul 21, 2004
    #3
  4. hrnplr

    Charlie Gary Guest

    Sounds like air in the master cylinder. One thing that can help is to apply
    heat with a hair dryer. When it gets so warm you can't comfortably press
    your fingers to the side, the air bubbles inside should expand a lot. This
    can help work them out of the system. If memory serves (I don't own a Magna
    any more), there is a small hole in the bottom of the reservoir close to the
    grip. I believe it's the one that shoots brake fluid all over you if you
    squeeze the lever too fast with the cover removed. Anyway, air trapped in
    that passage can cause this kind of trouble. If worst comes to worst, maybe
    you can go to a pharmacy and get a syringe, remove the needle, fill it with
    fluid and then pump fluid into the little holes. Get creative, and use your
    imagination on how to get air out of the assembly on the handlebar. Good
    Luck.
     
    Charlie Gary, Jul 21, 2004
    #4
  5. hrnplr

    Matt Guest

    Thanks for the tips everyone. Earlier today I checked everything for
    leaks then proceeded to "bleed" the banjo bolt and re-bleed the whole
    system. For some reason that did the trick. The clutch doesn't feel
    as good as most bikes I've ridden (in fact, I'd probably try to bleed
    it again if I'd just gotten the bike) but it's much better than before
    I bled it and it could be I'm just not used to the feel of a 1983
    magna clutch. Thanks.


    Matt
     
    Matt, Jul 22, 2004
    #5
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