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Thread: Questions about the rear-rear axle

  1. #1


    (I called it that so you northerners would know what I was talking about)

    How much slack do you have in it? If I put mine in neutral and crawl underneath and turn the driveshaft I get about 1/8th of a turn out of it before it tightens up.
    The front-rear gives me about 1/10th of a turn.
    Is this normal?
    I have a locker in the rear, and when I installed it the ring and pinion looked fine and had no wear patterns I could see.
    Seems like alot of slack to me.

    Also, on a related note- when I'm cruising at 55 or so sometimes I get a whine out of my axle. Not really loud, but noticeable. All 3 of my 715's have had that and I assumed it was just part of their set-up. Do you guys get it?

    I'm just getting paranoid as the big drive is coming up.


  2. #2


    If you put the Detroit No-slip or a Detroit locker in, the freeplay is normal. The whine I think you will find is in the transfer case and not in the rear axle, or rear-rear axle to some. :P Glen
    Proud owner of two 1968 M0715 trucks....
    Maybe they own me....or soon will!

  3. #3
    Join Date
    Dec 2003
    Lone Pine, CA


    Big drive my foot. It's a cake walk for you man. I'm moving farther and farther from making the comittment to make the FE, by the way.


  4. #4

    Default I'm offended Tom is not here....


    Rehab is full of guys like you.


    You make me sick with your selfish unattendance of our gathering.


  5. #5
    Join Date
    Jan 2004
    Front Royal, Virginia


    Quote Originally Posted by Brian_Sisson
    I'm just getting paranoid as the big drive is coming up.
    What type of extra parts do you recommended taking on long trips?

  6. #6


    You prolly need to start this as a new thread in the OPEN board....just to keep things organized. Alot of guys will want to discuss this and thus it was a good topic to bring up.

    Start the new thread NOW!!!!


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