I have a International 240 that I just picked up that has a cracked sleeve. I noticed that the oil passages are really gunked and plugged up. What is the best way to flush the oil passages with the block still in the tractor? I cannot even tell where the drain holes are in the passages.
- Thread starter Hattrick
- Start date
the tractor vet
Well-known Member
Best way is called a HOT TANK and start from square one with a total rebuild .
Janicholson
Well-known Member
You can try to clean them, but unless you know where every little stub drilling and pipe plug is located, and have the cam shaft and crank out, you have no assurance that the embolism you left in there won't take out the crank. To get to those components to be sure, you pull the engine as the Vet indicates. No shortcuts that have success written on them. Jim
Two schools of thought there, but I gotta agree with tractor vet. Those engines are so basic, if you're going to go to any length to fix it up, you really ought to consider going all the way - it's not that much further. You've got the top end off, and you've got the bottom end mostly off. There's not much left.
You shouldn't need much machine work - a valve job maybe?
Between a cracked sleeve, and putting new bearings in, I'm afraid you're going to end up with an engine not worth the sum of its parts.
Do it right, do it once, that thing will last you the rest of your grand kid's lives. If you're not going to keep it that long, it'll sell better having a freshly rebuilt engine.
On the other hand - those engines are so basic you can patch it together with glue and baling twine and it'll probably continue to get the job done for years and years. But I gotta say, there's something to be said for having a fresh, clean engine you can rely on.
You shouldn't need much machine work - a valve job maybe?
Between a cracked sleeve, and putting new bearings in, I'm afraid you're going to end up with an engine not worth the sum of its parts.
Do it right, do it once, that thing will last you the rest of your grand kid's lives. If you're not going to keep it that long, it'll sell better having a freshly rebuilt engine.
On the other hand - those engines are so basic you can patch it together with glue and baling twine and it'll probably continue to get the job done for years and years. But I gotta say, there's something to be said for having a fresh, clean engine you can rely on.
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