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930 engine coolant. Is this a bad idea???

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R Wyler

04-04-2010 09:36:17




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Okay I am still getting anti freeze in my 930 lpg engine after last winters rebuild the coolant weeps down into the oil after the thing sets a few days or so I think I should have used a bar hone istead of the bead hone when filling in the bores in the block with filler some pitting though nothing too bad. Since I only use the thing in the summer months I have been tempted to flush the system and run straight distilled water in it and of course still drain it off when needed before starting it. And then drain it out in the fall. The only real problems I can see here would be rust on the new sleeves and O ring shrinkage in the winter from being dry. I really can't tear it apart right now as it is my main tractor. I know water was used years ago in the Ls etc or at least some did. At least I wouldn't have to worry about anti freeze ruining bearings and crank.

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R Wyler

04-04-2010 16:36:19




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 Re: 930 engine coolant. Is this a bad idea??? in reply to R Wyler, 04-04-2010 09:36:17  
Thanks for all the response guys. I will try the bars this summer as soon as I start plowing. When I put the sleeves in I uses shortening on them though I wished I had put some in the bores also where the O rings seat. Could I have done something wrong there?



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John Saeli

04-04-2010 17:20:33




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 Re: 930 engine coolant. Is this a bad idea??? in reply to R Wyler, 04-04-2010 16:36:19  
I always lube up the rings & the bores, but not lubing the bores probably didn't cause you any problems.



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John Saeli

04-04-2010 14:47:54




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 Re: 930 engine coolant. Is this a bad idea??? in reply to R Wyler, 04-04-2010 09:36:17  
Bars Leaks, or equivelent is my vote. Many years ago, our 730 started weaping into the base, & I cured it w/ Bars Leaks. Lasted 15 years until we overhauled the ol'e girl. Filled many pits & gouges in sleeve bores with J.B. Weld and never had a problem.



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chess

04-04-2010 12:55:20




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 Re: 930 engine coolant. Is this a bad idea??? in reply to R Wyler, 04-04-2010 09:36:17  
Bars leak was reagulary used in our cases for many years. Put it in new an old ones .As 1660 said just make sure you have tractor up to operating temp before putting in.I would not run it with only water as rust will develop.I am betting bars will fix it for you.



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chess

04-04-2010 12:54:56




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 Re: 930 engine coolant. Is this a bad idea??? in reply to R Wyler, 04-04-2010 09:36:17  
Bars leak was reagulary used in our cases for many years. Put it in new an old ones .As 1660 said just make sure you have tractor up to operating temp before putting in.I would not run it with only water as rust will develop.I am betting bars will fix it for you.



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1660

04-04-2010 10:42:44




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 Re: 930 engine coolant. Is this a bad idea??? in reply to R Wyler, 04-04-2010 09:36:17  
It might be worth a try to BARS LEAK brand sealer I have used this brand for well over 20 years in different cooling system with good results,now I am not saying it is the first thing that I try but have sealed block leaks on a 60 JD never did tear it down the entire time my dad had it which was over 15 years and several others that I couldn't (or wouldn't) take the time or spend the extra money needed to do it right!!!I like bars leak brand as it does not plug up heater Cores as some other sealers do and it also conditions the coolant and also has a lubricant that will do wonders for a rough or tired bearing in the water pump got 8 more years out of the one on of my "S" tractors on a grain-o-vator with a water pump bearing that was staring to tye up and was shuddering bad and was in the middle of harvest so I dumped a pint of the bars-leak ,it took all of 30 seconds to smooth out worked great for that anyway one thing to note is BEFORE you put in the sealer get the engine up to operating temp I cover thee radiator with cardboard or plastic work it till its is on the high side of normal temp add sealer and continue to work the motor at least for an hour, i have also seen where some one has installed a tank type block heater and the coolant flow would go backwards though the heater and not let the thermostat work properly and made the block have hot and cold spots which can cause several other problems like sleeve orings to leak due to distortion between block and sleeve I know this sounds odd but as soon as I removed tank heater the engine heating and coolant leaks in to the oil stopped I see you just put the engine back together, a question exactly how and when did you lube and install the sleeve orings these will leak if not done in the correct order and with proper lube boy I don't like making the post this long but am trying not to miss anything good luck

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mEl

04-04-2010 10:03:21




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 Re: 930 engine coolant. Is this a bad idea??? in reply to R Wyler, 04-04-2010 09:36:17  
Thats a shame that you went to all that work and still have a leak. I have fixed a couple of those with Devcon and filled them and carefully sanded them and never had a problem but never honed them, just hand work. If you are into that tractor for the long haul, I suppose that you already know but Case has a stainless steel repair sleeve that must be installed by boring the lower bore and fitting it in and loctiting it. mEl

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R Wyler

04-04-2010 10:20:27




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 Re: 930 engine coolant. Is this a bad idea??? in reply to mEl, 04-04-2010 10:03:21  
Thanks for the info Mel yes I really tried to get it right. I lightly honed them before putting the filler in then hand sanded them I spent alot of time and really put some effort forth to get them right I also made sure the sleeves went down into place and coult be spun in the bores by hand like the manual states. I put shortening on the O rings before installing them I did not put it in the bores I wondered afterwards if I should have put shortening in the bores also, thinking that could have dammaged the O Rings somewhat by going in too dry. I had heard of the inserts I didn't realize that Case made them I am thinking this engine might need that I will likely need to do that. I might tear that engine back down next winter

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1660

04-06-2010 05:47:51




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 Re: 930 engine coolant. Is this a bad idea??? in reply to R Wyler, 04-04-2010 10:20:27  
small note, I have used the same lube for the past 40 plus years of overhauling engine as it has never let me down,,,knock on wood i coat both the dry installed sleeve orings and the sealing area in the block with vasoline works for me evertime



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