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Technical 1957 Ford 292 w small case Fordomatic issue slipping

Discussion in 'The Hokey Ass Message Board' started by abe lugo, Sep 22, 2025.

  1. Oneball
    Joined: Jul 30, 2023
    Posts: 1,646

    Oneball
    Member

    I’ve not got the manual with me to look but I’m sure the procedure says that you need to loosen the band adjustment as you install servo and then readjust the band when the servo is in place or it can break the case.
     
    abe lugo likes this.
  2. abe lugo
    Joined: Nov 8, 2002
    Posts: 3,339

    abe lugo
    ALLIANCE MEMBER

    It's the only way to get the band adjustment shoe/linkage into the spot. You have to lossen it and fanagle into place. Then do the adjustment. But my old one was way over tight. You can see in the photos it was complete opposite. I saw a rebuilder videos showing how to set it. But I think I need to split he difference. It was shifting nicely before.
    I honestly thing the combo of the high torque starter and the band being too tight and not going down into lo while parking was the magic that made the servo break.
     
    Last edited: Oct 9, 2025
    Oneball likes this.
  3. jimmy six
    Joined: Mar 21, 2006
    Posts: 17,098

    jimmy six
    ALLIANCE MEMBER

    Didn’t know there was more than one. I’ll measure it!
     
  4. jaracer
    Joined: Oct 4, 2008
    Posts: 3,053

    jaracer
    ALLIANCE MEMBER

    The correct adjustment is to tighten the adjusting screw with the spacer in place, then back the screw off one complete turn and tighten the lock nut. Going tighter than this is probably what broke the servo in the first place. A flare on the 2-3 shift is either caused by low line pressure or a slipping band or clutch, or both. Line pressure is controlled by your throttle linkage. There should be a place in the linkage to insert 1/4 in drill bit and then adjust the rod down to the transmission. If the band adjustment is right and the throttle linkage is right, the problem lies within the transmission.
     
    warbird1 and abe lugo like this.
  5. Pontmerc
    Joined: Jul 13, 2013
    Posts: 447

    Pontmerc
    Member
    from Finland

    Single range fordomatic should never go first gear, unless you select low in shifter or floor the gas pedal.
     
    abe lugo, warbird1 and jaracer like this.
  6. jaracer
    Joined: Oct 4, 2008
    Posts: 3,053

    jaracer
    ALLIANCE MEMBER

    Here's that picture of the band adjustment. band adj.jpg
     
  7. abe lugo
    Joined: Nov 8, 2002
    Posts: 3,339

    abe lugo
    ALLIANCE MEMBER

  8. jimmy six
    Joined: Mar 21, 2006
    Posts: 17,098

    jimmy six
    ALLIANCE MEMBER

    Yes the case is 9-7/8—-13/16” free if you want it. No bell housing or tail shaft housing.
     

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