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Technical Ford 9" Axle Seal Problems

Discussion in 'Traditional Hot Rods' started by garychurchill, Feb 10, 2018.

  1. garychurchill
    Joined: Aug 2, 2016
    Posts: 46

    garychurchill
    Member

    I have a Ford 9" RearEnd in my 32 which I have only take fully apart because I was informed it was 'ready to go'
    It has the 3.149" O.D. Sealed Wheel Bearings that have an O-Ring, axle tube housing I.D. is 2.5" and my axles are the 1.5" 31 spline. Well, they had a slight drip, so I pulled one side, and I don't see a seal in it other than the O-Ring which is built into the bearing. Do these type of axles need a seal further inside? Looking for some recommendation as I am not sure I can get a seal to seat nicely inside with the weld joint going on. See pics below -

    IMG_2556.jpg IMG_2558.jpg IMG_2600.jpg
     
  2. squirrel
    Joined: Sep 23, 2004
    Posts: 47,980

    squirrel
    Member

    The original Ford design used a seal, but the replacement housing ends like yours has, don't have a place for a seal.

    Sometimes, the seal on the bearing leaks. You can try replacing the bearing, it might help, or it might leak again. I had a similar problem with the rear in my 55, fortunately it had enough room to install a seal, so that fixed the leak. Only one side leaked, I only put the seal in that side.
     
  3. 4b316
    Joined: Oct 8, 2011
    Posts: 53

    4b316
    Member
    from ny

    We had that problem in our stock car with a nine inch ford and we got a inner seal that goes in the tube by the pumpkin,got it from speedway or summit.never had a problem again
     
  4. Russco
    Joined: Nov 27, 2005
    Posts: 4,167

    Russco
    Member
    from Central IL

    Some of the housings I was having made by Quick Performance with the "Torino Ends" were coming with only the o-ring on the bearing like that at first, they have since started supplying another seal that goes up in the end of the tube. I don't have the part number off hand but if you were to call them they could probably point you in the right direction.
     

  5. Dave Friend
    Joined: Dec 24, 2017
    Posts: 71

    Dave Friend

    Hi
    I had a stock set up with the seal and when I got my strange axles I had to remove the seals. Then one side leaked. There was gaskets between the bearing end and the backing plate which I did not put in when I got my new axles. I installed new gaskets and the leak stopped. This may be all you have to do.
    Regards
    Dave
     
  6. deathrowdave
    Joined: May 27, 2014
    Posts: 2,473

    deathrowdave
    ALLIANCE MEMBER
    from NKy

    The o ring is now your seal . Clean the OD of the bearing , inside of the housing . RTV is your friend . Anaerobic Sealer is best . Use as directed , meaning allow to dry as directed before installing and you will never have another issue . Clean and as Directed , kinda sounds bad doesn’t it !


    Sent from my iPhone using The H.A.M.B. mobile app
     
  7. squirrel
    Joined: Sep 23, 2004
    Posts: 47,980

    squirrel
    Member

    Actually, the lip seal that is part of the bearing assembly, is now your seal. Good luck.
     
  8. The housing looks like it has a step for a seal to seat against.
     
  9. squirrel
    Joined: Sep 23, 2004
    Posts: 47,980

    squirrel
    Member

    really? I don't see it. I only see the tube, and the end, and the weld between them.

    There are weld on ends available with a seal seating surface. They look like this

    0001942_ce-2009ad-billet-late-model-large-bearing-housing-end-deep-butt-weld-style_360.jpeg
     
  10. garychurchill
    Joined: Aug 2, 2016
    Posts: 46

    garychurchill
    Member

    There’s definitely no room unless the seal was to go down in the tube


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  11. garychurchill
    Joined: Aug 2, 2016
    Posts: 46

    garychurchill
    Member

    Or if there was a thin gasket behind the axle that might work?

    [​IMG][​IMG]


    Sent from my iPhone using The H.A.M.B. mobile app
     
  12. squirrel
    Joined: Sep 23, 2004
    Posts: 47,980

    squirrel
    Member

    If you put the seal in the tube, instead of the end, then it won't be concentric with the axle....
     
  13. garychurchill
    Joined: Aug 2, 2016
    Posts: 46

    garychurchill
    Member

    I should of clarified.. sorry. That was the only way I’d see a seal work. There’s no more room at the axle end


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  14. squirrel
    Joined: Sep 23, 2004
    Posts: 47,980

    squirrel
    Member

    Yeah, I realize that. It's a tough situation.
     
  15. krylon32
    Joined: Jan 29, 2006
    Posts: 7,140

    krylon32
    Alliance Vendor
    from Nebraska

    I get the rears for my customer chassis from John's. They have an o ring bearing and there are seals included in the hardware package. All the housings use Torino ends. I have to date not had a complaint from customers about leaks?
     
  16. saltflats
    Joined: Aug 14, 2007
    Posts: 10,614

    saltflats
    Member
    from Missouri

    Is this rear end vented well?
     
    squirrel likes this.
  17. Lockjaw
    Joined: Sep 1, 2003
    Posts: 167

    Lockjaw
    Member

    put a thin smear of silicone on the inside of the axle housing where the bearing goes then put the axle in -worked for me!
     
  18. garychurchill
    Joined: Aug 2, 2016
    Posts: 46

    garychurchill
    Member

  19. Dave Friend
    Joined: Dec 24, 2017
    Posts: 71

    Dave Friend

    Hi
    The problem is not the housing end but the axle will not accept a lip seal and relies on the o ring and bearing seal. Just use silicone or on the o ring surface of the housing and use gasket or silicone on the brake backing plate
    Regards
    Dave
     
  20. Hackerbilt
    Joined: Aug 13, 2001
    Posts: 6,248

    Hackerbilt
    Member

  21. squirrel
    Joined: Sep 23, 2004
    Posts: 47,980

    squirrel
    Member

    that looks like a neat way to deal with it, thanks for the link.
     
  22. garychurchill
    Joined: Aug 2, 2016
    Posts: 46

    garychurchill
    Member

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