Technical > Dan Dishon's Transmission Den

Powerglide fluid leak....

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SaltandPepper:
In taking my FED apart to repaint I noted I have a fluid leak from my powerglide. Talking to a buddy he told me it is most likely the shifter seal. I ordered a gasket rebuild kit with some Mobil 1 synthetic fluid along with a new filter. I have some mechanical ability but how much of a job is it to pull that shifter shaft and replace the seal? Can it be done from the bottom without pulling the tranny? I had planed to change the filter and fluids anyway so when I put it back together should I be worried about the fluid left in the converter? I just bought this and have no idea about the type of fluid it has in it now....The previous owner was deceased. Thanks in advance for any advice.

opa1:
It depends on how much space you have to work with. You will have to pull the pan and remove the selector shaft to put the seal in. Most new style shafts have a extra o-ring to control leaks in that area. They are cheap and worth the investment. I advise you to run ford type F fluid. 

jeff/21:
some times the case is worn even if you change the seal it will still usually when it's in park go through the gears check for excessive movement if so it's repairable
I always use ford type f most auto part stores will have to order it it's not common any more

msundstrom:
I machine a groove in the shift shaft for an o-ring and use the seal also.
Mark S

opa1:
No affiliation. I used this one. Nice piece.
  https://ftiperformance.com/Powerglide-2-Piece-Shift-Lever-Zinc-Chrome-F2555A.htm

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