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Discussion Forum
:

Coolant in crankcase-HELP

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WILL-------OHIO

10-04-2002 18:27:54




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After replacing all gaskets,torqued to specs,and starting engine the crankcase immediately filled with coolant.There was no smoke or steam from exhaust and it only ran for about 30 seconds before I shut it down,for lack of oil pressure.Oil+anti-freeze,about 3 gal.in crankcase.Removed head nothing looks abnormal.It is a 1937 WC. ANY SUGGESTIONS? HELP PLEASE.
PS We installed all new gaskets complete on engine. THANKS IN ADVANCE WILL

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John W.

10-07-2002 00:05:38




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 Re: Coolant in crankcase-HELP in reply to WILL-------OHIO, 10-04-2002 18:27:54  
Will; Unfortunately your's is not a uncommon problem. You did'nt say if this engine had this problem before the rework, I suspect it may have. Many old tractors where, all to often, left out without antifreeze and did just that. I have brazed so many engine blocks with freeze breaks, that I lost count. I also have a pile of unrepairables that I'm sure adds up to a couple of tons. Remove the valve cover and oil pan, fill the radiator, then look for leaks. In all likelyhood you will find the leaks under the tractor. You probably have cracks in the water jacket or between the cylinders in the web of the block. The amount of coolant in the crankcase you discribe, makes me suspect breaks between the sleeves. As long as the cracks are clean and no pieces missing, it is repairable. Brazing is the best method, but the O-ring groves will probably need to be recut in the area of the repair, Also tie-bolts may need to be fitted into the block to stabalize the block. This sort of thing can be expensive. You could very well need to hunt up another block and rebuild it. Sorry I can't be more optimistic. John W.

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vince D.

10-05-2002 19:52:27




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 Re: Coolant in crankcase-HELP in reply to WILL-------OHIO, 10-04-2002 18:27:54  
look at top where the valaves are the machine shop for got to put in the soft plugs in mine. when I put in the anti freeze it went right to the oil pan



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claire johnson

10-05-2002 17:37:42




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 Re: Coolant in crankcase-HELP in reply to WILL-------OHIO, 10-04-2002 18:27:54  
if the head gasket is good and in corectly, and there is no crack in the head. then my guess would be that you have a leak between the block and a sleeve. I cannot tell you if the A/C is a wet or dry sleeve, but my guess is that it is a wet sleeve and that youshifted a sleeve while you had the engine apart. the good news is that for most engines these O-rings cost less than a dollar. the bad news is that you will need a new head gasket and a oil pan gasket as you will have to pull all the sleeves and replace all four o-rings just to be safe.
if you need more help feel free to call me at 507 356 8416

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Garfield

10-05-2002 16:18:30




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 Re: Coolant in crankcase-HELP in reply to WILL-------OHIO, 10-04-2002 18:27:54  
Are you sure that you had the correct gasket set. An incorect head or water pump gasket could also cause the coolant to spill into the crank case. If all the gaskets apear corect and you don't see any cracks you should get the block and head pressure checked.It's not a hard job but it can be time consuming with out the right block off plates and test gauge



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Alex

10-05-2002 12:56:53




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 Re: Coolant in crankcase-HELP in reply to WILL-------OHIO, 10-04-2002 18:27:54  
Pull off the oil pan and check for crack in the block web, also look to see if your block watter jacket is leaking.



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Gordon in IN

10-05-2002 07:18:42




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 Re: Coolant in crankcase-HELP in reply to WILL-------OHIO, 10-04-2002 18:27:54  
If you got that much water and antifreeze in the crankcase that quickly, you have got a BAD problem.
I doubt that bad "O" rings on the sleeves would cause such a severe leak. Look for cracked or broken webs in the block between the cylinder sleeves, cracked and/or broken block on the side of the block next to the push rods, and/or a severely cracked or broken cylinder head. Good luck, Gordon

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Butch (OH)

10-04-2002 19:26:26




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 Re: Coolant in crankcase-HELP in reply to WILL-------OHIO, 10-04-2002 18:27:54  
As David said remove the pan. Also remove the valve cover and put some water in the radiator. Any place it can leak you will be able to see from the top or bottom.



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David

10-04-2002 19:03:52




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 Re: Coolant in crankcase-HELP in reply to WILL-------OHIO, 10-04-2002 18:27:54  
Suggest pulling the oil pan off so you can see the bottom of the sleeves and the block webs between them. Look for cracks in the webs or leaks around the sleeves. If you are lucky it will be around the sleeves which should be repairable with new O'rings.



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