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Author Topic: Water in Oil after Overheat Belarus 562  (Read 2963 times)

RjMaan

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Re: Water in Oil after Overheat Belarus 562
« Reply #12 on: April 09, 2018, 08:31:31 AM »
There is a minor mechanical issue that;s why the cylinders are creating vibration.

imperial1960

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Re: Water in Oil after Overheat Belarus 562
« Reply #11 on: March 19, 2018, 10:34:11 AM »
High compression and when the firing in each cylinder create a vibration on the lower counters bore O rings these o rings can put grooves into the block causing water to leak into the oil pan till radiator pressure goes away after shutdown. The block can be saved using belzona to bring back a smooth counter bore. Finding the problem (water in the oil) can be a challenge with trying to figure out why engine overheated water pump might pump water cold but fail when hot,plugging of air filter,t/stat,plugging inside and outside of radiator,turned up fuel, list goes on.
Belarus 562 4x4 russian loader bucket

damengineer

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Re: Water in Oil after Overheat Belarus 562
« Reply #10 on: March 19, 2018, 09:49:58 AM »
Imperial:
Thanks for the info.   Been wrenching for over 50 years, and did not realize the o-rings would move.  As hard as some sleeves are to break loose, I wouldn't think they would move.  However, it does happen...   I hope the OP lets us know what the problem was....
  • MTZ 1220 w/ Kr-34 loader, Belarus 8345 w/ Koyker loader, Belarus 825 w/ Memo loader, White 2-105, Case 1270,
If your not leading the pack, the view is always the same!!

imperial1960

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Re: Water in Oil after Overheat Belarus 562
« Reply #9 on: March 18, 2018, 11:00:56 PM »
Dam engineer In the area of the lower bores in the block those o rings can move and create grooves in the block. This will allow the wet liner to move either causing water in the oil or damaged head gasket. OP didnít tell us if he had an engine miss which I asked or tell us if the cylinder head had divets where the head gasket touches the deck or failed from heat. Last post head was going to be tested for internal or external leaks. When he finds how the water got into the oil please post us. One thing to remember itís hard to remove all the oil from the radiator and block without the proper flush and getting the engine up to working temperature. It usually take three or four flushing to get out all the oil. He has a choice remove all the liners inspect liner bores and pin holes in the liners at the bottom. Or put it back together without the oil pan on and then pressure up the water look for leaks. Grabbing the wrong jug thinking itís oil will raise your hairs too sooooo let us know!
Belarus 562 4x4 russian loader bucket

damengineer

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Re: Water in Oil after Overheat Belarus 562
« Reply #8 on: March 18, 2018, 10:15:32 PM »
Many years ago I had a knock on an old Continental wet sleeved engine after it overheated.  It had not been run in  a long time and it heated up from the thermostat sticking when we were driving it home the sale where it had sat for over 10 years.  After it cooled down, the thermostat opened up and we added water and drove home.  Next day it had a bad knock and water in the oil.   Pulled the plugs, and no water was in cylinders.  The O-rings at the bottom of the liners had deteriorated, and a sleeve was popping against the head.  New O-rings, piston rings, and a head gasket, touched up the valves, and it ran like a sewing machine.  I can't say what caused the sleeves to get loose at the top of the head, the gasket should crush enough to hold the sleeves.   I think Belarus uses coper rings at the top of the sleeves, not sure...
  • MTZ 1220 w/ Kr-34 loader, Belarus 8345 w/ Koyker loader, Belarus 825 w/ Memo loader, White 2-105, Case 1270,
If your not leading the pack, the view is always the same!!

imperial1960

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Re: Water in Oil after Overheat Belarus 562
« Reply #7 on: March 10, 2018, 02:01:58 PM »
Your ticking could be your valve set but a knock could be a scored hole from piston to liner so look at all cylinder's for scoring by barring over engine to BDC of each piston.
Belarus 562 4x4 russian loader bucket

imperial1960

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Re: Water in Oil after Overheat Belarus 562
« Reply #6 on: March 10, 2018, 12:57:13 PM »
Sorry get out all the oil out of the radiator. all that I suggested will lead you to your problem first thing check all easy stuff first like I suggested. Yes oil can get into the water in different ways first thing I would of did is remove the oil pan pressure up and look for water dripping down. re read my three posts then I can see if I can help out
Belarus 562 4x4 russian loader bucket

Bailador562

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Re: Water in Oil after Overheat Belarus 562
« Reply #5 on: March 10, 2018, 12:38:34 PM »
Ok.  I did blow out the holes when I put the new gasket on.  Not sure what u mean by get all the water out of the block or radiator?  I guess I'll have to take the head to get checked it is off right now.  The engine did have a light knock or ticking sound afterwards.  When I put it back I'll check the water pump pressure.  Thanks.

imperial1960

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Re: Water in Oil after Overheat Belarus 562
« Reply #4 on: March 10, 2018, 11:32:49 AM »
Did you check the head to see if its warped?
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imperial1960

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Re: Water in Oil after Overheat Belarus 562
« Reply #3 on: March 10, 2018, 11:27:22 AM »
Check water pump pressure at heater inlet could be it overheated from a bad water pump then excessive heat in the water then blew the radiator hose off.
Belarus 562 4x4 russian loader bucket

imperial1960

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Re: Water in Oil after Overheat Belarus 562
« Reply #2 on: March 10, 2018, 11:23:28 AM »
What water temp did it go to on the gauge? If you have the head still off look inside the exhaust manifold for traces of anti freeze in the ports. With the head off looking into the bores can you see transfer of piston to liner material? If head is off send it to a shop to check for cracks either internal or external. If head is back on then pressure up the radiator see if it holds pressure looking with the oil pan off for water leaking down from each cylinder pack. also check oil cooler by pressuring up with home made end plates. Also could be you didn't get all the anti freeze out of the block or radiator! Does the engine have a miss to it? Did you blow out the head bolt holes in the block?
Belarus 562 4x4 russian loader bucket

Bailador562

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Water in Oil after Overheat Belarus 562
« Reply #1 on: March 09, 2018, 09:28:11 PM »
 :'( so last month I replaced the head gasket on my tractor. Belarus 562.  Cutting hay a coolant hose busted and before I found it the tractor overheated on me and I ended up with water in the oil.  :'( :'( :'( So I pulled off the head again and the gasket looks fine.  What else could I have messed up? Thanks