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Hot Rods Banjo rear end help. Axle end play.

Discussion in 'The Hokey Ass Message Board' started by 27sedan, Jul 15, 2020.

  1. 27sedan
    Joined: Jan 9, 2006
    Posts: 56

    27sedan
    Member
    from courtenay

    I have a ‘47 open diff banjo out of a pickup. Back lash and preload are good and ring and pinion are good. The problem I have is .012-.014” end play on the axle shafts when assembled. It’s not bad until cornering, then the drums rub on the backing plates. I see there is a thrust surface on the end of the axle that comes in contact with the carrier cross shaft. Could these surfaces be built up and machined? Or does one wear more than the other? Could I shim between the axle gear and the carrier to tighten it up?
     
    Departed likes this.
  2. Model A Gomez
    Joined: Aug 26, 2006
    Posts: 1,538

    Model A Gomez
    Member

    They make a shim that goes on the taper of the axle, when the hubs and axles are worn the hub goes on too far. Thin shim stock cut and tapered to wrap around the axle and take up the slack so the hub doesn't go on as far. Sacramento Vintage Ford has them.

    [​IMG]
     
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  3. 27sedan
    Joined: Jan 9, 2006
    Posts: 56

    27sedan
    Member
    from courtenay

    Thankyou for the reply. I have seen these mentioned before. While that would stop the drum from touching the backing plate, I don’t see how it would remove the end play. These would just move the hub out further. The play is in the carrier.
     
  4. 27sedan
    Joined: Jan 9, 2006
    Posts: 56

    27sedan
    Member
    from courtenay

    Somebody has to have been through this. Picture for attention? IMG_20200418_104512.jpeg

    Sent from my XP8800 using The H.A.M.B. mobile app
     

  5. Stueeee
    Joined: Oct 21, 2015
    Posts: 264

    Stueeee
    Member
    from Kent, UK

    As you say, excessive end float on the axle has to be a as a result of wear somewhere in the carrier area. Either behind the axle's bevel gear, wear on the axle's or differential's planet gears or their shafts. the only way to that I can think of to be sure of exactly where the problem lies is to strip the rear end down and take a look.
     
    27sedan likes this.
  6. 27sedan
    Joined: Jan 9, 2006
    Posts: 56

    27sedan
    Member
    from courtenay

    I think that's what I will have to do. Just didn't know if there was an area that was more prone to wear. If it's the thrust surface on the end of the axle, I can build it up. If it's spider gears or cross shaft I can get new ones. If it's the carrier or axle end gear I might be screwed. Could try to find another used carrier or axles I guess.

    Sent from my XP8800 using The H.A.M.B. mobile app
     
  7. rusty valley
    Joined: Oct 25, 2014
    Posts: 3,410

    rusty valley
    Member

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