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No brake fluid coming out of MC

Discussion in 'Early CJ5 and CJ6 Tech' started by infernalcolonel, Dec 22, 2013.

  1. Dec 22, 2013
    infernalcolonel

    infernalcolonel Member

    MD
    Joined:
    Nov 29, 2011
    Messages:
    120
    I just installed disc brakes on the front axle, as well as a new master cylinder (and a few of the lines). After putting everything on and trying to bleed the system, I can't get any fluid to come out of the two ports on the side of the MC. I've tried bleeding it by holding my fingers over the ports as I let off the pedal (and releasing my fingers as I press it down), but after about 200 actuations, I still have no fluid. I'd take it off, but it is a superior pain in the *** because of the MC's location (but I can if I have to).

    Any advice?
     
    infernalcolonel, Dec 22, 2013
    #1
  2. Dec 22, 2013
    Bob-The-CJ

    Bob-The-CJ Member

    Italy, Texas
    Joined:
    Nov 6, 2012
    Messages:
    386
    Might try using a Vacuum Pump and forcing it toward the MC as opposed to trying to pull it away. Sounds like it is locked up somewhere
     
    Bob-The-CJ, Dec 22, 2013
    #2
  3. Dec 22, 2013
    Twin2

    Twin2 not him 2024 Sponsor 2023 Sponsor 2022 Sponsor

    Virginia Beach, VA
    Joined:
    Apr 28, 2011
    Messages:
    5,421
    the only thing I can think that might be the problem .is the push rod is too long and master cylinder stroke is not returning to rest position . this would cause the piston in master cylinder not to allow fluid to fill bore . before you take it out . try disconnecting it from pedal , and see where rod rests at . where it lines up with brake lever pin
     
    Last edited: Dec 22, 2013
    Twin2, Dec 22, 2013
    #3
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