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Giving Up On Brakes

Discussion in 'Early CJ5 and CJ6 Tech' started by JonVO20, Mar 4, 2018.

  1. JonVO20

    JonVO20 NOS CJ6

    Ok, I have been chasing a leak from my single MC on a '65 CJ6. All the parts are new, in fact I have made the front brake line 3 times now as I cannot seem to source an already bent one that fits.
    The main joint on the brass fitting attached to the end of the MC drips. Three separate brake lines made, flares made by the Eastwood tool seem to be fine in all other locations.

    The brass fitting is apparently NLA, I don't really have a way to machine a new one.
    I've spent WAY too much time on these brakes, and they still leak. When pressing on the pedal, it slowly goes to the floor and the fitting as shown in the photos drips. One can see the drips around the threads and a bit around the tube itself. WTF? Starting with a snug tighten, and gradually tightening to "any more and it will break", NO difference, just drips.

    I have used some very fine grit and surfaced the brass fitting with an extra steel flared end. No luck. I can see that the brass was deformed from the steel line, so probably need a new part, well good luck with that.
    I should point out ALL the brake parts are new (except that brass fitting).

    So screw these parts. Was thinking of a dual MC upgrade, but the jeep is pretty much together and I have no way to remove the body. All the photos I see about the upgrade have the body removed. How difficult will a MC upgrade be with all the parts in a "normal" jeep? looks like it would be a PITA.
    Suggestions?
     

    Attached Files:

  2. Glenn

    Glenn Kinda grumpy old man Staff Member

    So you're saying the banjo fitting leaks? I'm assuming it's deformed where the flare on the line seats on the fitting?
     
  3. JonVO20

    JonVO20 NOS CJ6

    yep. I have tried 3 separate lines flared with new fittings, so the culprit must be the banjo fitting.
     
  4. Glenn

    Glenn Kinda grumpy old man Staff Member

    I've been there too with leaks, sometimes you might not notice a small imperfection. That fitting should be available somewhere I would think. Where have you tried?
     
  5. Daryl

    Daryl Sponsor

    Pretty common for those banjo fittings to crack.
     
  6. Glenn

    Glenn Kinda grumpy old man Staff Member

    Walck's seems to have that fitting in a Y.
     
  7. dozerjim

    dozerjim Member

    I can't remember...are there copper gaskets in between?And yes I've seen cracked ones.
     
  8. 45es

    45es Active Member 2024 Sponsor 2023 Sponsor 2022 Sponsor

    That was my thought too. Walcks also has the copper gaskets in addition to the wye fitting Glenn mentioned.
     
  9. Rich M.

    Rich M. Shoe salesman 2024 Sponsor 2023 Sponsor 2022 Sponsor

    A mc conversion with body on is not a major ordeal. Unless you are a stickler for stock I'd just go ahead and convert. Far safer to have the redundancy.
     
    dozerjim and Willy like this.
  10. colojeepguy

    colojeepguy Colorado Springs

    Speaking as one who has lost brakes twice on a car with a single bowl master cylinder, I agree 100%
     
    dozerjim, Daryl, Willy and 1 other person like this.
  11. mike starck

    mike starck Member

    I did a conversion on a '67.Not much room to work.Removing L.F. fender may help.I purchased the banjo fittings as they are extra ,but it is a tight fit and they help a lot. As you can see I had the engine out for some work so that was kinda cheating. good luck mike 1967 jeep overhaul 016 (1).JPG 1967 jeep overhaul 016 (1).JPG
     
  12. JonVO20

    JonVO20 NOS CJ6

    Walcks has a Y banjo, which means one will need to be plugged. After what I have been through on this jeep, yet more work converting to dual MC just ain't gonna happen...someone else will get the honor.
     
  13. JonVO20

    JonVO20 NOS CJ6

    Where did you get the banjo fittings? Would like to not have to plug a Y, not even sure how one does that, as it is not a taper.
     
  14. Glenn

    Glenn Kinda grumpy old man Staff Member

    I agree with having the dual master cylinder, however I'm not convinced on the safety factor if one doesn't realize that half of the master cylinder has already failed.
     
  15. Glenn

    Glenn Kinda grumpy old man Staff Member

    You can readily buy a flare fitting plug at a parts store.
     
  16. Glenn

    Glenn Kinda grumpy old man Staff Member

    I agree with wanting the single fitting. On another note, you did use the copper sealing washers for the banjo fitting, right? Also, some times the washers like to leak and be a pain.
     
  17. Howard Eisenhauer

    Howard Eisenhauer Administrator Staff Member

    Me Three.
     
  18. Walt Couch

    Walt Couch sidehill Cordele, Ga. 2024 Sponsor 2023 Sponsor 2022 Sponsor

    The banjo should have a copper washer each side.
     
  19. Walt Couch

    Walt Couch sidehill Cordele, Ga. 2024 Sponsor 2023 Sponsor 2022 Sponsor

    You guys beat me to it. :D
     
    Glenn likes this.
  20. mike starck

    mike starck Member

    I bought the banjo fittings from "hermtheoverdriveguy @outlook.com . He also sells a conversion kit for M.C. .The flare plug is available at auto parts stores. I have a few in my drawer of fittings as they come in handy. mike