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What keeps the brake pedal rod connected to a Master Cylinder

Discussion in 'Flat Fender Tech' started by neverhit, Apr 24, 2008.

  1. Apr 24, 2008
    neverhit

    neverhit New Member

    Joined:
    Sep 23, 2002
    Messages:
    8
    I am working on installing a dual res. Willwood master cylinder into my flatfender. I have the MC adapter plate that mounts to the frame and was wondering what keeps the rod connected to the brake pedal from falling out of the master cylinder? It's got to be more than just a rubber cover.... I may ditch the willwood if I can't get it to fit properly. I may just go with a more traditional MC, but again, what keeps the rod in?
     
  2. Apr 24, 2008
    sammy

    sammy Coca-Cola?

    Albuquerque, NM
    Joined:
    Jul 1, 2007
    Messages:
    1,577
    Just a rubber cover it is, I never saw any clip to install on my SMC and on the DMC I just got it's set up the same way
     
  3. Apr 24, 2008
    w3srl

    w3srl All-around swell dude Staff Member

    Port Orange, FL
    Joined:
    Nov 6, 2002
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    4,275
    When its adjusted correctly the rod is held captive in its position and there isn't enough clearance for it to fall out.
     
  4. Apr 24, 2008
    neverhit

    neverhit New Member

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    Sep 23, 2002
    Messages:
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    By 'adjustment', do you mean how far the brake pedal can come back? Just relying on that seems kind of scary....
     
  5. Apr 24, 2008
    mikieboy

    mikieboy Member

    Jacksonville, FL
    Joined:
    Mar 21, 2005
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    155
    Some master cylinders have a cup like spring type washer that is in the end of the master cylinder. The rod has a grove close to the end, that slides in the washer and keeps the rod from coming out of the cylinder. The washer is held in the master cylinder by the internal ring in the end of the cylinder.
     
  6. Apr 25, 2008
    CJ-X

    CJ-X Member

    Ohio
    Joined:
    Aug 6, 2006
    Messages:
    816
    Nothing needs to keep it in. If it is set up right it can't come out. You may need a longer push rod.
     
  7. Apr 25, 2008
    GaryArf

    GaryArf New Member

    Baxter Mn.
    Joined:
    Oct 17, 2006
    Messages:
    45
    There is a spring also that holds the pedal linkage all the way into the MC. This is a long spring that goes from the pedal linkage to a frame component. If you need more on this I'll post a pic.
     
  8. Apr 25, 2008
    sammy

    sammy Coca-Cola?

    Albuquerque, NM
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    Jul 1, 2007
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    Gary,
    May I please see a picture?
    Thanks
     
  9. Apr 25, 2008
    neverhit

    neverhit New Member

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    Sep 23, 2002
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    Yes, please post a pic.
     
  10. Apr 27, 2008
    farm1810

    farm1810 Member

    Joined:
    Feb 8, 2006
    Messages:
    84
    I'm assuming in this that you don't have the body on the frame. Once the body is on and the rod adjusted correctly, the master cylinder rod cannot come out. The arm runs along the bottom of the body at about a 45 degree angle and does not have enough clearance with the body to allow the rod to pull backward and out of the MC. Although some MC arranagements have retaining clips of some kind, most do not on many automobiles and trucks. Willys is no different.
     
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