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Oil in Radiator-8n

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RAC

12-05-2004 16:37:28




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I recently found alot of oil in the radiator of my 8N.What is cause and how serious is it?




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valhallareject

12-05-2004 19:54:05




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 Re: Oil in Radiator-8n in reply to RAC, 12-05-2004 16:37:28  
If your barn is anything like mine..... or if your dad is at all like mine was..... NEVER ever believe that what it says on the jug is actually what is in the jug. My dad used rinsed out antifreeze jugs for everything from drained, old radiator fluids to sheep dip! I was busily adding what I thought was old antifreeze to the radiator of the 2N once when my dad stopped me and asked why I was putting windmill oil in the tractor! I said...huh? Isn't this old antifreeze? And he said....nope...look! And sure enough...written right above the Preston label in black magic marker was...Windmill Oil '54. I said....well shucks, dad....we may want to change the antifreeze on the windmill again tomorrow! He was NOT happy! And thusly...neither was I!!!!! hehehe....makes read and follow all label directions take on a whole new perspective!!

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Dell (WA)

12-05-2004 18:32:20




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 Re: Oil in Radiator-8n in reply to RAC, 12-05-2004 16:37:28  
RAC..... ....define allotta oil

Some anti-freezes have a natural "sheen" that seems to float on top of the water. Other people add waterpump lube that adds a natural "sheen".
Most "sheen" floating ontop of the water is combustion by-products.

Biggest cause of "sheen/oil" floating ontop of the radiator is leaky headgasket. You doubt? Time to do the dreaded compression test. A low reading of about 50-60 psi is generally a headgasket leak. You still doubt? With the radiator cap OFF, start up your engine and as it warms up you will start to have "bubble and burps" from engine. New headgasket $20 (cheap)..... .....Dell

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thejdman01

12-05-2004 18:21:02




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 Re: Oil in Radiator-8n in reply to RAC, 12-05-2004 16:37:28  
with all due respect NEVER dump soap into the radiatior. with the agitation and you never being able to get all of it out it will cause air bubbles. air doesnt cool too well when running next to your cylinders, infact it causes cavitation (when the air bubbles get so hot they explode and pit the metal. while the soap may do a dandy job cleaning it will cause air bubbles, theoretically if it is pressureized to 15 psi it is harder note harder to make bubles cut can still happen. even in diesel engines *yes i know yours isnt a diesel cavitation still occurs you dont want to add a soap agent.

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CATFIXER

12-05-2004 18:28:37




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 Re: Oil in Radiator-8n in reply to thejdman01, 12-05-2004 18:21:02  
Guess I should have explained a little better IF you want to clean out the cooling system Use CASCADE its for dishwashers it WILL NOT MAKE SUDS leave the cap off and it will not pressurize drain through the lower radiator hose when you are done HTH



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Kevin P.

12-05-2004 17:15:41




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 Re: Oil in Radiator-8n in reply to RAC, 12-05-2004 16:37:28  
I recently restored an 8n it had oil in the radiator.I completely rebuilt the engine, and it ran fine.The rings and head gasket had to be replaced. I think that is your problem. Good luck.



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Bob

12-05-2004 16:56:08




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 Re: Oil in Radiator-8n in reply to RAC, 12-05-2004 16:37:28  
It's pretty tough for a LOT of oil to get into the radiator of an 8N.

A cracked block, bad head, or head gasket can allow some oil film and slime to get into the radiator over a period of time, though.

If you have a LOT of oil, could someone have accidently put a quart in the radiator at some time? (Like the guy over on one of the other boards a few days ago who accidently put his anti-freeze in his fuel tank, and "killed" his tractor.)

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Jim K

12-05-2004 16:54:01




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 Re: Oil in Radiator-8n in reply to RAC, 12-05-2004 16:37:28  
Could be head gasket, could be cracked block,
Jim K



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Bob

12-05-2004 17:05:36




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 Re: Oil in Radiator-8n in reply to Jim K, 12-05-2004 16:54:01  
Yes, he should let the tractor sit unused at least overnight, or, even better, a day or two, to let any coolant in the oil settle to the bottom, and then loosen the oil drain plug a bit top see if any coolant comes out, as if there is oil leaking into the coolant, likely there will be coolant leaking into the oil.

If there is no coolant in the oil, I would drain the coolant, flush the system according to instructions with radiator flush, and install new coolant appropriate for the outside temperature. It may take several flushes and changes of coolant to get all the oil out of the system.

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CATFIXER

12-05-2004 17:20:32




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 Re: Oil in Radiator-8n in reply to Bob, 12-05-2004 17:05:36  
Heres a tip for you Instead of buying that expensive radiator flush get you some CASCADE dishwasher soap.I have used this a lot of times and it works grear must be the abrasive action just flush it out good with fresh water when you are done



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