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Water in oil..Day six

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troyr

03-17-2008 08:21:02




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I figured out my timing,turned the engine off to check things out,and I have water in my oil.Thats why I started this project in the first place.I had a stuck piston and when I tried to jack it up the sleave came out with it.My oil rings were ruined so Thats when I decided to do the overhaul.It has a new head gasket,New water pump , resurfaced head.I struggled with an uncommon mag and when I figured it out I was so happy for about 10 minutes until I checked the oil.Where should I check first.My block has the cracks in between the cylinder walls,but was told by many people that it would be OK.The more advise the better Troy in Wa.

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troyr

03-18-2008 08:22:37




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 Re: Water in oil..Day six in reply to dave2, 03-17-2008 08:21:02  

Chris(WA) said: (quoted from post at 01:45:27 03/18/08) Troy , Do you have a radiator pressure tester? Putting pressure on the cooling system with the pan and the valve cover off will give you a good idea where it is coming from.
If you don't have one let me know and I can bring mine over and presurize it for you.

Chris(WA)
I don't have a pressure tester but I think I might be able to rig one up , if I put water in the radiator and put some low pressure to it I think that would work,unless they are more complicated then what I think.The oil pan is still on but the valve cover is off and the funny thing is the oil sitting in the freeze plugs and all around in the head is clear.I had about 18lbs of preesure when it was running.Pressurizing is a great idea and I hadn't thaught about it,eventhough it's very simple.

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Chris(WA)

03-18-2008 16:48:07




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 Re: Water in oil..Day six in reply to troyr, 03-18-2008 08:22:37  
Sure would work as long as you keep the pressure low. Cooling system is only rated at 7PSI. Maybe a tee in the drain line and leave the cap on as a relief. I would be glad to bring mine over to test it and see your tractor and chat. Chris



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Chris(WA)

03-17-2008 18:45:27




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 Re: Water in oil..Day six in reply to troyr, 03-17-2008 08:21:02  
Troy , Do you have a radiator pressure tester? Putting pressure on the cooling system with the pan and the valve cover off will give you a good idea where it is coming from. If you don't have one let me know and I can bring mine over and presurize it for you.
Chris(WA)



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Dick L

03-17-2008 13:34:06




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 Re: Water in oil..Day six in reply to troyr, 03-17-2008 08:21:02  
Did you send the head out for a valve grind?
If you didn't check the freeze/core plugs under the rocker arms. Put a small amount of pressure in the radiator. 5 or 6 pounds would be plenty with the radiator full. With the valve cover off and the oil wiped out of the plugs it will show in quick order. They are prone to getting pin holes in them. If that is dry then use the same pressure test while looking up into the bottom with the pan off. It it is a sleeve o ring you will have water drops coming off the bottom of the leaking sleeve.

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El Toro

03-17-2008 12:24:21




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 Re: Water in oil..Day six in reply to troyr, 03-17-2008 08:21:02  
Pull the pan and look around the bottom of those sleeves for leakage. Did you install new sleeve seals? Hal



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troyr

03-17-2008 11:08:15




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 Re: Water in oil..Day six in reply to buickanddeere, 03-17-2008 08:21:02  

J Schwiebert said: (quoted from post at 16:24:46 03/17/08) First of all what are you working on? Next are your cracks in the block on the top or on the bottom of the block? I would pull the pan and see where the coolant is comming from first. J.
I'll pull the pan too check it out.The cracks are at the top of the piston and when I replaced the seals they all went on real nice.Everything was clean and I can't remember if there was a visible crack where the O-rings seal to the block. It's been 8 months since I saw it and I can't remember how it looked.It's a '39 Allis B

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trucker40

03-17-2008 10:43:45




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 Re: Water in oil..Day six in reply to troyr, 03-17-2008 08:21:02  
I never worked on a B Allis Chalmers so I dont know if what I say will work or not,but I will give it a try. Where the O rings go is there a crack?If there is you maybe can seal it with JB Weld.The way we did it on diesels is there would be an eroded area in the metal where the rubber seal of the liner would go.The day before putting in the liner,mix up JBWeld and iron filings,put it in the eroded area,tomorrow sand the JBWeld until its smooth,put liner in. Other people know way more than me about this motor,but if it has a crack in the area where the Oring seals,then you are going to have to fix it some way and I dont know if JBWeld even would work. Next,provided where the cracks are and how bad they are a machine shop might be able to fix it some how.If the cracks are at the top of the bore maybe a head gasket would seal them.If they are in the area at the bottom of the sleeve where the orings seal,I dont see any way that would work.If its not cracked at the bottom of the block,it has to be clean and smooth when you push the liners in or it could cut an oring right when you put it in.If you run the motor without water in it for a while it will snap an oring from the heat.If there is any erosion in the metal of the block where the orings seal you will at least have to fix it with JBWeld or something like that.

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Lanse

03-17-2008 14:39:11




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 Re: Water in oil..Day six in reply to trucker40, 03-17-2008 10:43:45  
"JB Weld even would work"

Ive heard of people with cracked blocks using that stuff, how good does it really work for that???



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J Schwiebert

03-17-2008 09:24:46




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 Re: Water in oil..Day six in reply to troyr, 03-17-2008 08:21:02  
First of all what are you working on? Next are your cracks in the block on the top or on the bottom of the block? I would pull the pan and see where the coolant is comming from first. J.



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troyr

03-17-2008 09:11:37




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 Re: Water in oil..Day six in reply to MSM, 03-17-2008 08:21:02  
Yes I did.When I put the seals on I followed the instructions from one of the tractor gurus and put the seals on the outside of the sleaves,then put it in the block to make sure they didn't slip out of the groove.I replaced all of them too.



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steelfronts

03-17-2008 14:40:55




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 Re: Water in oil..Day six in reply to troyr, 03-17-2008 09:11:37  
You mean you put the o rings in the groove then installed the sleeve right? I dont see how you could put the oring on the sleeve first and get it in the groove and know it was in there. Also some head gaskets can be put on backwards or end for end and not keep the water holes and oil hole seperate.



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old

03-17-2008 09:38:23




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 Re: Water in oil..Day six in reply to troyr, 03-17-2008 09:11:37  
Did you use something as a lube when you installed the sleeves?? Dish soap works well. Also did you do all the sleeves?? If you didn't you may have one that has bad o-rings on it and that would cause the problem



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randy47

03-17-2008 08:54:23




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 Re: Water in oil..Day six in reply to troyr, 03-17-2008 08:21:02  
did you relace the seals on the sleeves?? That is most likly where you leak is. The block on my B is also cracked between the sleeves but does not leak.



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