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Technical Early Hydramatic question

Discussion in 'Traditional Hot Rods' started by Jim the Sweep, May 24, 2021.

  1. Jim the Sweep
    Joined: May 24, 2021
    Posts: 57

    Jim the Sweep

    Forgive me if this is in the wrong place.
    I am trying to sort the bad oil leaks from my 49 Olds Hydramatic. It is out of the car.
    How does the Torus come off? the manual says wiggle it back and forth then give a sharp tug, dont lever it or it will damage the pump.
    The Torus moves about 1/8" then wont come any further.
    So, thought Id ask first.
    Cheers,
    Jim
     
  2. mgtstumpy
    Joined: Jul 20, 2006
    Posts: 9,311

    mgtstumpy
    Member

    Torus cover is bolted to flywheel with multiple bolts however since your transmission is removed I gather than procedure would be similar to 1954 Chevy PU Hydramatic servicing procedure. I'm sure others familiar with this will chime in with better advice
    Here's FATSCO rebuild kit in case you're that way inclined to rebuild whilst it's out rather than just gaskets
    http://chevy.oldcarmanualproject.com/shop/1954truck/54ctsm0752.html Screenshot_2021-05-24 1954 Chevrolet Truck Shop Manual.png
     
  3. Jim the Sweep
    Joined: May 24, 2021
    Posts: 57

    Jim the Sweep

    Thanks,
    The torus cover is the bit that wont budge from the transmission. Ive got a gasket/seal kit from Fusicks, other than spewing oil out from the bellhousing the trans worked ok before removal so fingers crossed.
    Appreciate your reply,
    Jim
     
    mgtstumpy likes this.
  4. justpassinthru
    Joined: Jul 23, 2010
    Posts: 687

    justpassinthru
    Member

    There is a sealant ring in the pump that has probably worn a groove in the cover.
    You will probably have to give it a good jerk to get off the pump.
    The sealant ring may break and if the groove in the cover is really bad, the hub in the cover will have to be replaced or replace the whole torus cover with a good one.

    Bill
     
    Jim the Sweep likes this.

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