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looking for help on breaking speedo cables

Discussion in 'Early CJ5 and CJ6 Tech' started by 1969k10, Jun 2, 2012.

  1. Jun 2, 2012
    1969k10

    1969k10 New Member

    Clarks Hill, IN
    Joined:
    Oct 5, 2009
    Messages:
    43
    Hi all, I keep breaking speedo cables, always in the same spot. When the cable comes out of the Xfer, it turns to fit inside the frame rail, and seems that is too sharp of a bend. What have you all done to get around this?

    This is on a 67 CJ, w/ the V6, pretty much all stock

    I ordered a 90 degree adapter, but it is too short, and hits the housing before I can get it screwed in tight. So I started looking for a short straight extention, but not having much luck with that.

    Anyway, if you have any ideas, let me know.
     
  2. Jun 2, 2012
    napaguy

    napaguy Banned

    goldendale wa
    Joined:
    Sep 25, 2009
    Messages:
    441
    hmmm thats how I have routed mine and havent had one break yet. I do make sure its a long loop without any sharp bends and I dont atach it to anything until after the loop out of the transfer case. If you can take a picture of how yours is routed maybe there will be something that stands out
     
  3. Jun 2, 2012
    timgr

    timgr We stand on the shoulders of giants. 2022 Sponsor

    Medford Mass USA
    Joined:
    Aug 10, 2003
    Messages:
    23,596
    Do you replace the core and the sheath? Or just the core?

    Is the transfer case in the same place as the factory put it?

    The core breaks because there is too much drag when it is turned in the sheath. I suggest you get a replacement core (like this) http://macsautoparts.com/fairlane-t...ng-fac-17262-kt/camid/fai/cp/JS0R3CHL1088673/ and lube the heck out of the core before you install it. Grease the entire length of the core with a light grease, such as white lithium grease. Just use something that has a light base, rather than a heavy wheel bearing grease.

    This is a replacement cable? The sheath may not be stiff enough to hold a gentle curve when installed. You could try adding a stay of some kind to prevent the sheath from making a very sharp bend. If you have the factory sheath, you can try that with a new core - it may be stiffer than the replacement sheaths, and thereby better at preventing a sharp bend.

    Who's cable is this - Omix-Ada? I kinda suspect that the quality of the replacement cable is the problem, not the bend.
     
    Last edited: Jun 2, 2012
  4. Jun 2, 2012
    PeteL

    PeteL If it wasn't for physics, and law enforcement... 2024 Sponsor 2023 Sponsor 2022 Sponsor

    Hills of NH
    Joined:
    Aug 3, 2003
    Messages:
    9,833
    Lube is important.

    Also be sure the inner core is cut to a length that has a little bit of free play, end to end, when the outer sheath is tightened up.
     
  5. Jun 2, 2012
    1969k10

    1969k10 New Member

    Clarks Hill, IN
    Joined:
    Oct 5, 2009
    Messages:
    43
    thanks for the input. I have broken the core (or cable inside) every time. First one was the one that was on the jeep when we got it. Then a new one from my local Carquest, then just replaced the cable inside, and it broke too. I have purchased a new cable, inner cable and outer sheath again, but not installed it yet, waiting on the 90 degree adapter that showed up Friday and won't fit.
    As far as lube, I've been using a spray white lithium, spray the inside of the outer sheath, and wipe down the cable. As far as I know, everything is in the stock location.
     
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