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OIL IN RADIATOR

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DANNY RAY

02-16-2000 08:59:15




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I have a WD45 diesel with oil in the radiator what are some things to look for to solve the problem




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D-17DAVE

02-17-2000 21:38:17




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 Re: OIL IN RADIATOR in reply to DANNY RAY, 02-16-2000 08:59:15  
I agree , a common problem is the head gasket. Another poss. a leaky rubber seal on the bottom of the cylinder sleeve. Not to common, but a direct path between the coolant and the oil. Some older CUMMINGS engines were famouse for this after setting for extended periods of time. If a tear down is reqired, the removal of the sleaves can be difficult to check this because the seals usually get torn durring removal. But some signs may be oil residue on the sleave and a dirty nik or hole on the gasket. Kinda tough to find when it gets this deep. Good luck, don't get to frusraited.

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tim[in]

02-16-2000 23:00:20




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 Re: OIL IN RADIATOR in reply to DANNY RAY, 02-16-2000 08:59:15  
thanks guys !1 you dont realize when you contribute to these chats who you are helping. we have a truck at work with a 3208 cat that is having same problem. i'm going to suggest these things tomorrow. so thanks from all of us who are helped indirectly too !!=)



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ROBERT

02-17-2000 21:18:45




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 Re: Re: OIL IN RADIATOR in reply to tim[in], 02-16-2000 23:00:20  
ON YOUR 3208 YOU MAY NEED TO LOOK AT THE ENG OIL COOLER TOO.ON ENGINES WITH OIL COOLERS THAT WHERE I LOOK FIRST. ROBERT



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tim[in]

02-18-2000 20:50:36




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 Re: Re: Re: OIL IN RADIATOR in reply to ROBERT, 02-17-2000 21:18:45  
that's exactly where we found the problem !! i'm fair mechanic on implements but when it comes to the motors and tractors ,i got a long way to go !!lol still having trouble getting it to stop leaking antifreeze from it. it has the hard line of gasket sealer that is supposed to seal when the motor gets hot. it is going to be used for several hours fri nite so we will know monday . thanks !!!



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twopop

02-16-2000 17:07:36




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 Re: OIL IN RADIATOR in reply to DANNY RAY, 02-16-2000 08:59:15  
YOU COULD HAVE A CRACKED BLOCK BUT I DOUBT IT.HAS THE BLOCK GOTTEN HOT LATELY? USUALLY THE OIL COMES FROM A LEAKY HEAD GASKET WHICH WILL START AFTER A OVERHEATING. IF YOU ARE NOT LOOSING MUCH ENGINE OIL I WOULD START BY RETORQUING THE HEAD BOLTS.



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M Russell

02-16-2000 14:41:42




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 Re: OIL IN RADIATOR in reply to DANNY RAY, 02-16-2000 08:59:15  
This problem is a bit unusal because the more common problem is water in the crankcase. It is true about pinholes comming in the sleeves but this puts water in the crankcase. one sure sign of a leaking headgasket is to observe the water in the radiator while the tractor is running. if compression is leaking to the water jacket it will be bubling in the radiator. Someway oil will have to be under enough pressure to overcome the normal pressure of the radiator for oil to be there. Anyway that's my ideas about it if it does you any good.

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Tyler(WA)

02-16-2000 12:17:49




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 Re: OIL IN RADIATOR in reply to DANNY RAY, 02-16-2000 08:59:15  
Might just be a bad head gasket. I would start with a compression test on all cylinders and look for one low reading. You still might have a bad gasket with good compression readings for each cylinder but I wouldn't pull the head before checking compression.

If you don't find a bad reading on a cylinder and you can't isolate the problem to a head gasket problem, you'll probably end up tearing down the whole engine to have the block magnafluxed.

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Corey

02-16-2000 10:41:23




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 Re: OIL IN RADIATOR in reply to DANNY RAY, 02-16-2000 08:59:15  
Sounds like you might have a cracked block. Could also be cavitation in the cylinders. This is a strange little phenomenon that I became familiar with when it killed the diesel in my pickup. Apparently, antifreeze can eat the cylinder walls up in diesels through some sort of chemical reaction. This causes tiny pinholes which can allow antifeeze into the combustion chamber or oil into the water jacket.

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