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Oliver, Cletrac, Co-op & Cockshutt Tractors Discussion Board

Re: 1550 Diesel Intake valve seals??

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Posted by Rocko on January 03, 2013 at 10:13:11 from (

In Reply to: 1550 Diesel Intake valve seals?? posted by Rocko on January 02, 2013 at 17:26:18:

OK so I did what J suggested. Removed intake as well as valve cover. Appears what problem is is that stud bolts that screw into block is where oil is coming out. Threaded holes go through to oil side of head and bolts are not sealed. Poured oil down one intake valve stem and it filled and started coming out threaded hole.(I had removed all studs at this point.) Obviously no seal at top of valve stem. I wondered if oil was entering cylinder when valve openned, so I turned engine over by hand didn't see oil level inhole change but I was on oppisite side of engine to turn over engine. Pulled fuel shut off and turned engine over with starter. Again didn't seem to change level in hole or oil pouring through rocker arm system for that matter. Every thing moving and looks well lubed but no noticable amount accumulating in 30 sec. or so. So I assuming that if there are seals at the bottem stopping oil from entering cylinders but below thread holes in head although my test was not overly scientific and I could well be wrong. Casting number on head inself is 180402K if thats of any use. Figure to seal studs with some kind of gasket sealer and put her back together as I will need it to feed again tommorow. Would still appreiciate any further input from you more knowledgable folks out there. Thanks again Rocko.


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