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Oliver, Cletrac, Co-op & Cockshutt Tractors Discussion Forum
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880 diesel engine block

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Adam

04-12-2004 15:31:31




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When I pushed the sleeves out of my 880 diesel I found that all the narrow webing between the sleeve holes on top have cracks all the way through and down the thin web. The top surface of the block was flat and level with the sleeves in and I never noticed the cracks. A few of these cracks are now causing uneven surface with the sleeves out. There is no crack in the O-ring sealing are or any where else just on top in the thin area. I've been told it happens and just to put my new sleeves in, the head will even it all out and the gasket seals on the sleeve any way. Should I get a different block or can this be used? I've never run a cross such cracks be for. The engine shows no sign of having water in the oil or burning any. I did find #5 and #6 severly scored and when the sleeves were pushed out I found that the coolent jaket for those cylenders was compleatly full of sludge I had to scoop out with my hands. not oil or exost carbon type but greenish rusty scale slime, gritty type stuff. Was anti freeze in the system. Any advice on what to do with the block would be geatly appreciated. Thanks, Adam Suess

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Bob C

04-12-2004 20:33:06




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 Re: 880 diesel engine block in reply to Adam, 04-12-2004 15:31:31  
Adam, the one thing you have to watch for is if there is a good lip on the sleeves when they are reinstalled. If you dont have a lip on the sleeve edge that is enough to catch your finger nail, than when you torque the head down, you wont get a good bite on your head gasket and it wont seal. These cracks might loosin things enough to let the sleeves seat too low in the deck head and than when you torque the head, the cracks will give enough to just let the sleeves sink in flush with the block surface and you will get no bite on your head gasket which seals off the top of your engine deck. If your planning on using the tractor much, i would torque the head on and than remove it and check the new head gasket and see if its marked around the copper ring, indicating a proper sealing. Also check the sleeves after removing head and see if they have remained a few thou" above deck head or if they have been pushed right down flush with the deck surface. I have used fiddle string under the sleeve neck to hold them up on blocks like that in gas tractors, a deisel, myself i would find another block.

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Steve

04-12-2004 20:10:00




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 Re: 880 diesel engine block in reply to Adam, 04-12-2004 15:31:31  
I agree with Larry. Most of them are that way.



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Larry from MD

04-12-2004 15:59:51




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 Re: 880 diesel engine block in reply to Adam, 04-12-2004 15:31:31  
Just put it back togather and use it.Most of the time it will be OK.



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