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Harry Ferguson Tractors Discussion Forum

Re: TO-30 engine refurbish

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Author  [Modern View]

02-04-2018 15:56:45

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The head gasket was obviously leaking, that explains the coolant in the oil and #3.

The rear seal streaming oil will be real difficult to properly repair without pulling the engine. Likely there will be some crank and bearing damage from the contaminated oil, or just from wear.

My suggestion would be to go ahead and pull the engine, get it out where you can see what's there. It's really not that much more work considering the option of laying under it with oil dripping in your face.

Something else, if you are not aware, the cylinder liners just sit in the block with oring seals at the bottom. If any move up, the seal will be broken and the liner will need to come out to be resealed. Not an easy job when sediment from the coolant gets under the liner!

Those seals really need to be replaced anyway, at their age they have to be deteriorated.

I've done inframe overhauls before, but usually when the engine was in relatively good condition other than smoking. Even then it's a big shortcut than can easily come back to haunt you.

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Tom h.

02-04-2018 18:01:48

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 Re: TO-30 engine refurbish in reply to Steve@Advance, 02-04-2018 15:56:45  
Iím with Steve on this. Pull the engine, get an inexpensive engine stand to park the engine on to work. A sleeve puller is easy to fashion out of threaded rod and angle iron. Look for small cracks between the lower webs, like the one you have on top. A machine shop can put bolts into the block to pull the cracks together, this is called pinning. I have had three blocks done this way. In the end you will have a strong and fresh engine.

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