Ford 4600 pto shaft seal

Fordfan · Dec 6, 2016

I have a ford 4600 with a leaking pto shaft seal. I've read several conflicting reports about having to split the case or not split the case to replace. I've even had one dealer say yes and one say no. It seems there may be an issue with a dropping thrust washer. I'm not a mechanic by far so I'm trying to make sure this is doable before I attempt. Can anyone help me on this?

RickB · Dec 6, 2016

Seal can be changed from the outside without removing the seal/bearing housing from the rear axle center section. IF changing the seal is all you need to do. Drain the oil, pull the seal, install new seal, refill with oil.

Fordfan · Dec 6, 2016

good to hear. What's the easiest way to get seal out? That's another opposing view I ran in to. The one dealer that said I didn't have to split case said that I would have to remove that housing being careful not to let pto shaft slip out.

jtwat · Dec 6, 2016

You can pry the old seal out with a screw driver or similar.

RodinNS · Dec 6, 2016

I don't know how or where or why this debate started. I have a friend here who swears it has to be split too because someone reliable told
him so. The short answer is that Rick is correct. The long answer.... is MABEY, perhaps.... if you broke the shaft off flush and had no way
of extracting it... then you would have to split it. I had a 4000 that I had to drive the shaft out of because I couldn't pull it out...
although I didn't think too much of it because I was splitting it to do some PTO clutch work as well. But normally... you would not split a 3
cylinder chassis to change a PTO output shaft.

Rod

Ford 4600 pto shaft seal

Fordfan

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RickB

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Fordfan

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jtwat

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RodinNS

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