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Rookie has messed up the nut on a brake line

Discussion in 'Intermediate CJ-5/6/7/8' started by Conan, Oct 29, 2011.

  1. Oct 29, 2011
    Conan

    Conan New Member

    Montgomery, Alabama
    Joined:
    Jun 6, 2010
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    34
    Yes, I did, because someone before me had messed it up to the point I couldn't get a line wrench on it. That said, I went ahead and turned it in to a perfect circle. Any suggestions for getting it off and then connected to the new brake hose? Should I just buy a new line and install it?

    Any advice would be appreciated.
     
  2. Oct 29, 2011
    Mike S

    Mike S Sponsor

    Cameron Park Ca.
    Joined:
    Oct 6, 2009
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    811
    Vice Grips.

    Dont try to loosen it with a steady pull on the fitting, just hit the Vice Grips with a mallet. The shock will break it loose usually.

    Ever notice how well an pnuematic impact hammer works for taking off a stuck fastener??
     
  3. Oct 29, 2011
    timgr

    timgr We stand on the shoulders of giants. 2022 Sponsor

    Medford Mass USA
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    Aug 10, 2003
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    23,596
    I would install a new line. Typically a nut that mangled is no longer round, and will leak. Which line is it? If it's at the wheel cylinder, you can cut the line and remove the stub from the cylinder at the bench.
     
  4. Oct 29, 2011
    nickmil

    nickmil In mothballs.

    Happy Valley, OR
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    Sep 23, 2002
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    12,529
    To remove the line try MikeS"s suggestion. If that doesn't work try gently heating the nut with a torch, NOT the line, and quenching with water. Do this at least 3 times and see if it will come loose. Once removed replace the line. If a wheel cylinder and you are replacing it anyway cut the line, replace it with new, and install new wheel cylinder.
     
  5. Oct 30, 2011
    DREDnot

    DREDnot Not new to JEEPS

    AZ
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    Feb 7, 2010
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    646
    I just went through this.
    I was able to get it loose with the vice grip and tapping but the fitting was crushed where it would leak.
    I then pulled out the entire hard line from the proportioning valve to the right front wheel and bent up some new line to match its shape, slid on new fittings, and flared the ends with a GOOD craftsman flaring tool. Doing it yourself is much cheaper than buying the pre-made sets of lines.
     
  6. Oct 30, 2011
    timgr

    timgr We stand on the shoulders of giants. 2022 Sponsor

    Medford Mass USA
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    If it's one of the longer lines you need to replace, you can probably put together a new tube that's close to the right length using the standard lengths from the parts store, and unions - also available from the parts store. Bend carefully and you won't need to make any flares.
     
  7. Oct 30, 2011
    Conan

    Conan New Member

    Montgomery, Alabama
    Joined:
    Jun 6, 2010
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    34
    The Vise Grips did the trick with very little back and forth motion. I'll see if she leaks and will then work on flaring them. They sell the rolls of tubing in many different sizes. Any idea of the proper diameter?

    I appreciate all the help.

    Vincent
     
  8. Oct 30, 2011
    nickmil

    nickmil In mothballs.

    Happy Valley, OR
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    3/16".
     
  9. Oct 31, 2011
    Conan

    Conan New Member

    Montgomery, Alabama
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    Jun 6, 2010
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    34
    Thank you very much.

    Vincent
     
  10. Nov 1, 2011
    sterlclan

    sterlclan Member 2024 Sponsor 2022 Sponsor

    exploring the...
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    spend the money and get a GOOD double flaring tool the cheap ones are just that cheap and dont flare so good my 2c
     
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