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young582 
Bronze Level
Joined: 06 Jul 2010
Location: Vermilion Ohio
Points: 12
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 Topic: cracked block or head gasket?
Posted: 07 Jul 2010 at 5:04pm |
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just bought a 1948 model C. coolant leaks into the oil. whats the odds of the block being cracked. he said when he it started to happen when he was driving it and he parked it. didn't drive it since. i still runs fine and he gave me a head gasket
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CTuckerNWIL
Orange Level
Joined: 11 Sep 2009
Location: NW Illinois
Points: 22810
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Posted: 07 Jul 2010 at 5:10pm |
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It may not be either one. The first thing to check is the "freeze" core plugs in the top of the head. Pull the rocker cover off and have a look. It could also be an oring on a sleeve leaking. A leaking core plug is pretty cheap and easy fix.
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Rick of HopeIN
Orange Level
Joined: 11 Sep 2009
Location: Hope, Indiana
Points: 1296
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Posted: 07 Jul 2010 at 5:10pm |
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my B had two problems show up at same time. Rust thru freeze plugs in the head and three leaking O rings on the liners. Freeze plug is easy repair, o-rings... not so easy
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1951 B, 1937 WC, 1957 D14, -- Thanks and God Bless
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Butch(OH)
Orange Level
Joined: 11 Sep 2009
Location: Lucerne Ohio
Points: 3829
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Posted: 07 Jul 2010 at 5:13pm |
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As they said, why guess? Pull the valve cover and pan and find the leak then fix it.
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young582
Bronze Level
Joined: 06 Jul 2010
Location: Vermilion Ohio
Points: 12
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Posted: 07 Jul 2010 at 5:15pm |
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thanks he gave me a new head gasket i don't know if he knew thats what was wrong or if he was guessing. i still need to get some degreaser and degrease the engine because its covered and i mean covered in a bunch of grease oil and bullsh*t :x
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CTuckerNWIL
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Joined: 11 Sep 2009
Location: NW Illinois
Points: 22810
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Posted: 07 Jul 2010 at 5:16pm |
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I was gonna say also, don't run the engine with coolant in the oil. Just kind of figured that was a given.
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young582
Bronze Level
Joined: 06 Jul 2010
Location: Vermilion Ohio
Points: 12
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Posted: 07 Jul 2010 at 5:22pm |
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im going to school for diesel technology. im just trying to get some ideas on what you guys think. i changed the oil and started it to at least make sure it ran. and it ran. so its all good.
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GlenninPA
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Joined: 11 Sep 2009
Location: Ashley, PA
Points: 5054
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Posted: 07 Jul 2010 at 10:29pm |
If I was a bettin'man and it was running when he noticed the leak, I sure would pay $7 for a new valve cover gasket and check the core plugs on the top of the head. If they are bad, you get change from a $5 bill at NAPA, and a sweet deal on a tractor.
If that ain't the problem, then Rick, don't be so discouraging on those O rings. You drove it out on Sunday, didn't you??? And.... it inspired the Build-a-B !!!
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Dale H. ECIL
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Joined: 11 Sep 2009
Location: Paris, Il
Points: 690
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Posted: 08 Jul 2010 at 6:46am |
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I am working on my 1938 WC Maintainer. the engine had good compression so I put oil in the engine and WATER in the radiator, next day I checked the oil dipstick, had gained about 2 inches, pulled the valve cover, it was a freeze plug. I went to NAPA, got 2 new plugs for .59 ea. OK now.
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Allis Chalmers Museum, Paris, Il.http:// www.allischalmersmuseum.com 217-275-3428
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Bob D. (La)
Orange Level Access
Joined: 12 Sep 2009
Location: Louisiana
Points: 25529
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Posted: 08 Jul 2010 at 10:09am |
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I just purchased a hi crop WD45. It was leaking water into oil. Found a cracked sleeve and all liner orings were leaking. Now it's got a new overhaul kit installed. No more leaks.
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When you find yourself in a hole,PUT DOWN THE SHOVEL!!!
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