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Case Tractors Discussion Forum
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Case 580B engine question

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src

10-01-2003 05:32:35




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We have a 1974 580B diesel that runs super, but
leaks antifreeze into the oil. We believe it to
be the sleeve seals that are causing this. Does
anyone now of an "easy fix" for this? There is
nothing else wrong with the tractor, and it seems
a shame to have to tear it all down for that. We
have been draining off the antifreeze from the oil
each time we use it.




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robert

10-04-2003 05:40:21




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 Re: Case 580B engine question in reply to src, 10-01-2003 05:32:35  
uh oh you probably should not run tractor at all as you will blow main bearings in crank shaft with any antifreeze in oil probably an expensive fix for parts. but good news is you can do the whole job yourself wet sleaves are easy to get out even pressed sleaves are easy to do. if you need any info on how to do motor i will be glad to help with info on how to. ive rebuilt both in driveway.



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Bob

10-02-2003 18:35:24




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 Re: Case 580B engine question in reply to src, 10-01-2003 05:32:35  
In the older Case engines water can get into the oil either through the head or as you have mentioned pass the lower o-rings. If the problem is lower o-ring wear I dont have good news for you. In addition to the o-rings being bad the lower counterbore area will likely be heavily grooved from the o-rings wearing into the metal. In extreme cases, you can even have pitting in the lower area. The liners have to come out. If you are lucky and can find an old block machinist with a portable counterbore cutter and you can have the repair done in chassis. We used to have one of these in our machine shop. Most modern engine machine shops have moved to higher production, fixed machines that require the block to be brought in. If you let me know where you are I may be able to direct you to someone.

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Art

10-01-2003 08:50:42




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 Re: Case 580B engine question in reply to src, 10-01-2003 05:32:35  
You can try to retorque the head-bolts after it's up to temperature, other than that....



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Frank

10-19-2003 22:19:54




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 Re: Re: Case 580B engine question in reply to Art, 10-01-2003 08:50:42  
Since you're draining the antifreeze before using the machine, how about just using water rather than antifreeze and avoiding the possible contamination? You'll be draining the water after use and refilling then? How about one of the coolant leak stops that they use in NASCAR?
I've stopped some leaks with a powder compound, silver seal which hardens into a seal when it comes in contact with air. I did however plug the radiator on a Plymouth I had with a leak. So be aware.

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