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RPM to high

Posted By Threat51 11 Years Ago
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2721955meteor
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2721955meteor (9/3/2014)
sent 2 pictures,cliff   
 just sent some more,let me know,rechecked adress and is corect??

2721955meteor
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sent 2 pictures,cliff   
Threat51
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Hi cliff sent you email don't no if it went could use pic.
My email is
robertpwils@ gmail.com
Thanks for the help.
Should pull right out side right?
Bob
2721955meteor
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2721955meteor (8/30/2014)
if the govoner asembly was instaled backwerds you can not chang that threw the smal cover. if you have a manual you should be abel to id which way the govoner is . i will look in my 1956 motors manual for away to positively id how it should be if you do not have a manual  e mail me ct1940@shaw.ca.


just looked in the manual,ther is a flat plate on the side of the govener it should face towards the torqeconvertor. if it faces the rear end it is incorect and you will never get 3rd speed,hope this helps. cliff
2721955meteor
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if the govoner asembly was instaled backwerds you can not chang that threw the smal cover. if you have a manual you should be abel to id which way the govoner is . i will look in my 1956 motors manual for away to positively id how it should be if you do not have a manual  e mail me ct1940@shaw.ca.
Threat51
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I have only owned the car a few months and didn't think it was shifting right when I bought it but never owned one that old before .bought off dealer so no warranty .just thought rpms where to high.addjusted the linkage per manual no change.i have to take the tail shaft off to get to the govenor? Thought it was out side of the tail shaft?
2721955meteor
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you can get the comp govoner out by jacking the rear of car real high,remove drive shaft,block trand pan remove rear mount remove tailshaft housing.if this isue has bin since you owned the car,ther is a posabilaty the govener was installed backwerds.(first fordamatic i did i made that mistake) it will go on the out put shaft ether way.If this isue just hapened you can remove the comp govoner and check for binding etc also ther are some seals on the output wher the govener goes that could be broken.   But befor you go this rout has your linkage bin adjusted re the book.to much throttle presure will stop shift to high.also throtle presure lever could be jamed or broken. When did the isue start,since you owned the car or all of a suden.

Start from day 1 and walk us threw how the isue was  noticed
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Ok thanks aussiebill I guess I'll give that a try and hopefully that will take care of it.
Not much of a tranny guy.
Thanks
Bob
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oldave57 (8/28/2014)
It sounds like you have pretty good evidence that the 2-3 shift is not taking place. To determine the cause of the transmission problem is pretty difficult and likely not something you can easily do with the transmission in the car. The following text comes from a 56-57 Fordomatic manual:

The shift from the intermediate to the high ratio is accomplished when the front servo (operating the front band) is released and the rear clutch is applied. This is accomplished by directing governor pressure to the face of the 2-3 shift valve and to the governor plug. As the shift valve moves inward, passages are uncovered to direct control pressure to the release side of the front servo and to the rear clutch. When both clutches are applied, the primary and secondary sun gears are locked to the turbine shaft to provide the high ratio of 1:1.

All of that means that there are several possibilities for a "no shift" condition. The governor could be sticking and not moving as the centrifugal speed increases. The rear servo and or rear clutch could be inoperative or the front servo, front band could be sticking closed. There is a procedure in the manual to remove the governor while the transmission is in the car, but beyond that, it sounds like a transmission overhaul might be in order at some point.

Good luck,
Dave

Why not try and pull the governer out , clean it and retry, its easy thing to do to rule it out.


  AussieBill            YYYY    Forever Y Block     YYYY

 Down Under, Australia

oldave57
Posted 11 Years Ago
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It sounds like you have pretty good evidence that the 2-3 shift is not taking place. To determine the cause of the transmission problem is pretty difficult and likely not something you can easily do with the transmission in the car. The following text comes from a 56-57 Fordomatic manual:

The shift from the intermediate to the high ratio is accomplished when the front servo (operating the front band) is released and the rear clutch is applied. This is accomplished by directing governor pressure to the face of the 2-3 shift valve and to the governor plug. As the shift valve moves inward, passages are uncovered to direct control pressure to the release side of the front servo and to the rear clutch. When both clutches are applied, the primary and secondary sun gears are locked to the turbine shaft to provide the high ratio of 1:1.

All of that means that there are several possibilities for a "no shift" condition. The governor could be sticking and not moving as the centrifugal speed increases. The rear servo and or rear clutch could be inoperative or the front servo, front band could be sticking closed. There is a procedure in the manual to remove the governor while the transmission is in the car, but beyond that, it sounds like a transmission overhaul might be in order at some point.

Good luck,
Dave


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