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Case Tractors Discussion Forum
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Cracked DC-4 engine block

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WI Farmboy

10-15-2003 12:20:18




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What is an engine block going to cost me for a '51 DC-4? Found what I believe to be an 8 inch hairline horizontal fracture behind carb and air cleaner. Would explain the anti-freeze getting into oil.




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C. Amick

10-16-2003 09:53:20




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 Re: Cracked DC-4 engine block in reply to WI Farmboy, 10-15-2003 12:20:18  
The block may be usable. I would pull the sleeves and check for internal cracks. If it turns out that all you have is the outside crack, I would suggest grinding it out a little and welding it and then sealing over the weld with some J. B. Weld.



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caseman-d

10-15-2003 17:09:25




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 Re: Cracked DC-4 engine block in reply to WI Farmboy, 10-15-2003 12:20:18  
Farmboy,
Pull the inspection plates on the side of the pan. With water in the tractor look up you should be able to where it's comming fron. I was getting water in the oil and it turned out to be a sleeve. Once you determine which cylinder it may be leeking from you can tell if it's a oring or just a sleeve. Where are you located at? I may have a couple good blocks also.
caseman-d



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chad

10-15-2003 17:14:04




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 Re: Re: Cracked DC-4 engine block in reply to caseman-d, 10-15-2003 17:09:25  
give Don L a [email protected] or 507-433-0073 he has alot of parts



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dctom

10-15-2003 13:23:36




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 Re: Cracked DC-4 engine block in reply to WI Farmboy, 10-15-2003 12:20:18  
Farmboy: dont think that is where water is getting in to the oil, there is nothing there but water, your water in oil is most likely comming from a deterioated "O" ring at botton of sleeve, i do have a block here if you need it DCTOM



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WI Farmboy

10-16-2003 10:51:08




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 Re: Re: Cracked DC-4 engine block in reply to dctom, 10-15-2003 13:23:36  
I will let you guys know. I have had trouble removing pistons. I can't slide them down and out like it shows in the I-T manual. Some how I have to drive them up and out the top of the block. (The tractor is froze up and I can't get the crankshaft to rotate. That means I have to take the block off and flip it upside down and drive them out with the oil pan removed. Any body know of an easier way?

Oh caseman I live in Cameron Wisconsin

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dctom

10-16-2003 14:10:01




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 Re: Re: Re: Cracked DC-4 engine block in reply to WI Farmboy, 10-16-2003 10:51:08  
I KNOW HOW BUT NO ONE LIKE MY WAY, I HAVE DONE IT SEVERAL TIMES AND NEVER HURT ANYTHING, MY ONE PULLING TRACTOR WAS FROZE BAD, I JUST BROKE IT LOOSE(MY WAY) AND IT HASNT QUITE YET, LOL DCTOM



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george md

10-16-2003 14:09:35




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 Re: Re: Re: Cracked DC-4 engine block in reply to WI Farmboy, 10-16-2003 10:51:08  
Farmoy, You will need to have the block out of the tractor anyway to do any work on it or replace it,so take it out and remove the sleeve and piston as a unit then you can work on the unit. you can set it up somewhere and let it soak with some antelope sweat or panther pith or whatever,you could then use a little heat on the outside of the liner (very sparingly )or maybe put it in the press ( very lightly so as not to break the ring lands ). With block out get it cleaned and then you can check inside for cracks .

george

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WI Farmboy

10-17-2003 11:59:46




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 Re: Re: Re: Re: Cracked DC-4 engine block in reply to george md, 10-16-2003 14:09:35  
Well it looks like the job might have to sit a while. I need to finish a basement job. Might not happen until this winter. I am sure I'll be asking more questions.



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