leaking trrans input shaft seal

pearlhandle · Jan 21, 2019

I have a bad leak dripping heavy oil from the tranny into the bell housing and out the cotter pin hole on my 48 ford 8n. Can I get to the seal and possibly the input shat bearing to replace it if necessary by splitting the bell housing and transmission ?

Bruce (VA) · Jan 21, 2019

Are you sure it's hydraulic fluid and not engine oil?
75 Tips

Kirk-NJ · Jan 21, 2019

Yes but you might not need bearing you might only the seal in nose cone

duey · Jan 21, 2019

You have?? checked the oil level to be sure it is not Over FULL, no??

Bruce (VA) · Jan 22, 2019

Assuming it's hydraulic fluid and not overfilled, splitting the tractor is covered nicely in the I&T FO4 manual. (see tip # 39)

I'd plan on replacing a few other things in there as well means it will be apart.

See tips 12 & 59 before you split it.

Check the ring gear & replace it if need be.

Have the flywheel resurfaced.

I'd have the clutch & p/p rebuilt. And I'd replace the t/o & pilot bearings & front transmission seal while I was in there.

Use the main shaft as your clutch alignment tool.

If you don't have a local rebuild shop, try these guys:

Automotive Manufacturers Inc
2400 N Lombardy St Richmond, VA 23220

(804) 321-6861

They do mail order work. They rebuild carbs, clutches, pressure plates, water pumps, alternators, generators, starters & reline brakes.

If you prefer new parts, do NOT order them off of eBay or buy them at TSC. Get parts (and the manuals) from this site or nnalert's.
75 Tips

Bruce (VA) · Jan 22, 2019

Excellent point. The seals, even when new, were not meant to be immersed in oil. Parking it nose-own for an extended period of time will get you the same result. As will parking it w/ one rear wheel lower than the other.
75 Tips

leaking trrans input shaft seal

pearlhandle

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Bruce (VA)

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Kirk-NJ

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duey

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Bruce (VA)

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Bruce (VA)

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