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The plot thickens WD45
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Steve M C/IL View Drop Down
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Joined: 01 Jul 2010
Location: shelbyville IL
Points: 691 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Steve M C/IL Quote  Post ReplyReply Direct Link To This Post Topic: The plot thickens WD45
    Posted: 13 Jul 2010 at 12:51pm

Engine mounted on stand preparing to yank crank and stick new cam brgs in while I'm at it so I pull the valve cover to get pushrods out and to my HORROR I find a 3/8 layer of "jelly" in the top of the cover.How long has this been goin on?Never known for needing antifreeze.Anyway,going to have to fill and pressure up and hope it's bad enough to show up.This is turning into alot more than it was supposed to.GRRRR!
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skipwelte View Drop Down
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Joined: 29 Oct 2009
Location: Anthon, Iowa
Points: 723 		Post Options Post Options   Thanks (0) Thanks(0)   Quote skipwelte Quote  Post ReplyReply Direct Link To This Post Posted: 13 Jul 2010 at 12:56pm
Could be a soft plug in the top of the head, could be orings on the sleeves leaking, rarely a cracked head but could be.   Take the pan off, then like you said pressure it up and see where the water comes from.  Good luck Steve.
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BobHnwO View Drop Down
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Joined: 16 Sep 2009
Location: Jenera Ohio
Points: 693 		Post Options Post Options   Thanks (0) Thanks(0)   Quote BobHnwO Quote  Post ReplyReply Direct Link To This Post Posted: 13 Jul 2010 at 1:07pm
Turnin into more than supposed to,"Famous last words"!!lol.
Why do today what you can put off til tomorrow.
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Don(MO) View Drop Down
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Joined: 12 Sep 2009
Location: Bates City MO.
Points: 6862 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Don(MO) Quote  Post ReplyReply Direct Link To This Post Posted: 13 Jul 2010 at 5:57pm
Originally posted by Steve M C/IL Steve M C/IL wrote:

Engine mounted on stand preparing to yank crank and stick new cam brgs in while I'm at it so I pull the valve cover to get pushrods out and to my HORROR I find a 3/8 layer of "jelly" in the top of the cover.How long has this been goin on?Never known for needing antifreeze.Anyway,going to have to fill and pressure up and hope it's bad enough to show up.This is turning into alot more than it was supposed to.GRRRR!

What color is the "jelly" green or just a lite gray? Green is antifreeze and gray might just be condensation buildup from years of not using a working thermostat. I'd pressure test like the guys said and if you don't find a leak in the head or sleeves, block then it might be the condensation think I described above. 
Don
3 WD45's with power steering,G,D15 fork lift,D19, W-Speed Patrol, "A" Gleaner with a 330 corn head,"66" combine,roto-baler, and lots of Snap Coupler implements to make them work for their keep.
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CTuckerNWIL View Drop Down
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Joined: 11 Sep 2009
Location: NW Illinois
Points: 22823 		Post Options Post Options   Thanks (0) Thanks(0)   Quote CTuckerNWIL Quote  Post ReplyReply Direct Link To This Post Posted: 13 Jul 2010 at 6:08pm
If you are not sure of the history of the engine, replace all core plugs in the top of the head. If you have the crank out it wouldn't be too much more work to replace the o-rings on the sleeves either.
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Lena 1935 WC12xxx, Willie 1951 CA6xx Dad bought new, 1954WD45 PS, 1960 D17 NF
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Steve M C/IL View Drop Down
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Joined: 01 Jul 2010
Location: shelbyville IL
Points: 691 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Steve M C/IL Quote  Post ReplyReply Direct Link To This Post Posted: 14 Jul 2010 at 9:01am
Liner o-rings leaking.Can you still get piston rings for M&W pistons?I remember guys saying the o-rings are available but smaller cross section.It don't use oil but how do you put it back together with used rings? Bought this in 1980 and my deceased dad overhauled it.I doubt if it has averaged 50hrs a year so at 1500hrs????
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skipwelte View Drop Down
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Joined: 29 Oct 2009
Location: Anthon, Iowa
Points: 723 		Post Options Post Options   Thanks (0) Thanks(0)   Quote skipwelte Quote  Post ReplyReply Direct Link To This Post Posted: 14 Jul 2010 at 12:44pm
There are a couple of thicknesses of piston rings, but yes  you can still get them.  Measure em up and start callin, Sandy Lake, Albert, Norn Stienman, Norm Meinert, Jimmy D, Tony to name a few.  HTH
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Steve M C/IL View Drop Down
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Joined: 01 Jul 2010
Location: shelbyville IL
Points: 691 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Steve M C/IL Quote  Post ReplyReply Direct Link To This Post Posted: 14 Jul 2010 at 2:21pm

Thanks Skip.Now I hope o-ring bores aren't trash but the way this is going....



Edited by Steve M C/IL - 14 Jul 2010 at 2:21pm
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