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Ford 3910 Power Steering Column Leak

T

termyte14

New User
I purchased a 1986 Ford 3910 diesel about a year ago to replace my 1971 Massey Ferguson 135 gasser. Overall, I'm very happy with the tractor but I've got some pesky leaks I'm
going to start fixing. The first one I plan on tackling is the power steering column leak. It seems I need to replace the seals in the column. Also, the o-ring seals on the
pitman arms are leaking as well. I removed the steering box from the tractor, after removing the dash cover and fuel tank. As you will see from some of the pics, how does all
this trash get in the clutch housing. Also, once I'm done fixing all the seals, is the fluid in the steering box separate from the fluid in the power steering system? I've read
a lot of post about using corn head grease in the steering box to prevent leakage/seepage. I got the cover off the box and called it a night so it could drain. Plan on hitting
it hard again when I get off today.
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I'm working on a 5000 right now that was full of grass inside the bellhousing - the engine timing tab cover was missing. It was no biggie though. It's quite common to see crap buildup over time inside of a bellhousing - most of it is clutch dust mixed with a little oil from a leaking seal somewhere.

The steering box should have 90 weight in the bottom. The PS fluid only goes to the upper control valve.
 
I am not sure you can ever fix the leaks on a Ford, kind of like the old 3 stooges comedy, plug one, a new one pops up.
 
I too also just recently bought a 1987 3910 to replace a 1969 mf135 gasser. pto problems just got the best of me! My 3910 also has a leaking pitman arm seal. Did u have any problems removing arm from shaft? How about the side cover of steering box? My seal on shaft is still good, no problems there. Knock on wood. LOL. I see another poster said 90 wt oil. Can someone explain where u fill this Not in front of my tractor at this time. May be a stupid question. Thanks
 
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