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Converted my Toploader 4 speed to a Hydralic Bearing now have leaks!

Discussion in 'The Hokey Ass Message Board' started by 55Thunderboy, Mar 1, 2014.

  1. 55Thunderboy
    Joined: Mar 27, 2009
    Posts: 356

    55Thunderboy
    Member
    from NYC

    See photo i installed this on one of my cars because i could not get my Z bar to work with these headers i got off a buddy. I installed and adjusted it and the trans never showed any signs of leaking in 5 years ive had it. I never even flushed or changed the fluid since it shifts perfect when i bought it.

    now i am getting this leak right under the bellhousing inspection plate, i thought it was motor oil from my rear main but its not. I just took the car for a drive since its been sitting all winter and i came back and the drip got worse, its thick like honey and even looks like honey. I cant smell a thing but it doesn't smell like trans or gear oil. Im wondering is maybe this Tilton bearing is leaking grease or something?

    I never installed or used one of these kits can anyone here comment on this? Im going to snap a shot of the fluid now to post in this thread.

    Can my trans be leaking from the input shaft?
     

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    Last edited: Mar 1, 2014
  2. whtbaron
    Joined: Sep 12, 2012
    Posts: 541

    whtbaron
    Member
    from manitoba

    Anything is possible, but I would suspect the TO bearing first since that is what you replaced. What are you using for hydraulic fluid to the bearing?
     
  3. 55Thunderboy
    Joined: Mar 27, 2009
    Posts: 356

    55Thunderboy
    Member
    from NYC

    some Napa DOT3 as they suggested, im gonna drain my trans overnight and refill and see if this helps, here is another photo of where its leaking down on the floor.
     

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  4. foolthrottle
    Joined: Oct 14, 2005
    Posts: 970

    foolthrottle
    Member

    possible o-ring on the TOB connection is misaligned or damaged?
     
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  5. Ole don
    Joined: Dec 16, 2005
    Posts: 2,915

    Ole don
    Member

    It appears you had to replace a bolt with a stud. Is it only one, or two? If two, the one we cant see is below the level of the gear oil. Did you apply sealer to the threads? Is the gasket broken?
     
  6. Engine man
    Joined: Jan 30, 2011
    Posts: 3,476

    Engine man
    Member
    from Wisconsin

    Get some tracer dye and put different colors in the transmission and throwout bearing fluids.
     
  7. Dynaflash_8
    Joined: Sep 24, 2008
    Posts: 3,010

    Dynaflash_8
    Member
    from Auburn WA

    Check the fluid level of the clutch mc. Mine from speedway leaks like the titanic. Replacing it with a better one.


    Sent via my typewriter
     
  8. Leadsled51
    Joined: Dec 21, 2001
    Posts: 333

    Leadsled51
    Member

    Actually what you see as a stud is supposed to be there if i'm not mistaken....it keeps the hyd. throwout from spinning I believe. Keeps the lines from a lot of moving back and forth too. I would suspect the Hyd throwout since that is only thing that has changed...
     
  9. whtbaron
    Joined: Sep 12, 2012
    Posts: 541

    whtbaron
    Member
    from manitoba

    When Ford started putting hydraulic TO bearings in F-100's we went through a lot of variations before they finally got a seal that would stand up. They did not like our cold weather up here.
     
  10. Engine man
    Joined: Jan 30, 2011
    Posts: 3,476

    Engine man
    Member
    from Wisconsin

    The stud also gives the throwout bearing something to push off from and there is likely a second one directly opposite of it which would be below the transmission fluid level.
     
  11. SaltCoupe
    Joined: Jun 10, 2010
    Posts: 2,377

    SaltCoupe
    Member
    from Indiana

    I removed my hyd bearing and installed a slave cyl. Much better deal in my opinion, and if I do have a leak it's external, don't have to pull the trans to get to it. I will never use another hyd bearing.
     

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