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MF 40B

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Glenn D

Member
Hi folks

A friend That has this tractor has a no start problem after it stalled on him a couple months ago.

I looked at it with him today after he thought the starter was stuck. I discovered the engine is actually hydrolocked With a full crankcase, if actually squirted like a fountain when we
Pulled the dipstick out. So we figured it blew a head gasket but I don't think so. There is no antifreeze in the oil and the oil is dirty but very thin like water. Trouble is I don't know how that much diesel or hydraulic oil could have gotten in there. Anyone have an idea? I'm not that familiar with this machine so I don't know if a power steering pump or injector pump could do this?
 
Could be fuel leaking past the injection pump drive seal, but check the supply pump first as the diaphragm may be bad allowing fuel into oil too. Power steering pump can leak but it does not hold enough to run out the tube like you found.
 
(quoted from post at 00:46:54 10/16/14) Could be fuel leaking past the injection pump drive seal, but check the supply pump first as the diaphragm may be bad allowing fuel into oil too. Power steering pump can leak but it does not hold enough to run out the tube like you found.
Click to expand...

We came around that idea last night. will pull it today and see if it's wet inside.
 
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