CBR 600F3 1995 - 1998 CBR 600F3 Forum

Oil in coolant. Possible blown head gasket?

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Old Oct 30, 2009 | 01:56 AM
  #1  
WBBulldogs's Avatar
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Default Oil in coolant. Possible blown head gasket?

Okay well to make a long story short I was on a ride one day and one of my radiator hoses blew. It seemed a little soft so I just thought it was an old hose. Got the bike back home replaced the hose and about a week later another hose blew but this time some liquid that looked like Chocolate Milk came spewing out with the coolant this time. It was definitely oil. I also noticed it was making the hose by the filler neck kinda foam crap out of it. So there must have been a lot of pressure going through the cooling system.

My question is do you guys think it in fact is a head gasket? I'm gonna order one before I take the bike apart because I don't wanna take it apart without having the gasket there to put back on. I've searched some threads and I know some people mention the water pump but that's usually if there is coolant in the oil but I have the reverse problem. Plus I recently put both new seals on the pump because it was leaking oil from that area.

So what do you guys think?
 
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Old Oct 30, 2009 | 04:01 AM
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I'm gonna say head gasket since u have oil in the coolant. I had a Kawasaki Ninja ZX11 that had coolant in the oil which was just the water pump.
 
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Old Oct 30, 2009 | 05:03 AM
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could be the oil cooler too. don't forget that part
 
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Old Oct 30, 2009 | 11:00 AM
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yep check the oil cooler, it happened to me
 
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Old Oct 30, 2009 | 11:31 AM
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the way i see it, with bikes its kinda wierd... if there is coolant in the oil, then its a head gasket.... if there is oil in the coolant, it is the water pump or the oil cooler....

im kinda having that problem... bike runs fine, just over heats every now and then... all it is is you gotta replace the gaskets in the oil cooler and the water pump... thats pretty much all it is
 
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Old Oct 30, 2009 | 07:42 PM
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Do the simple stuff first.These bikes are waaaaay durable,more so than many other rockets from Japan Inc.

Holla back.
 
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Old Nov 2, 2009 | 02:35 PM
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I had oil in the coolant too. It was from the o-rings where the oil cooler itself attaches to the oil cooler housing failed. I would start there as well. I gotta say... it is kinda gross looking brown.
 
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Old Nov 2, 2009 | 03:09 PM
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i would do the oil cooler as well as the water pump o-ring just to be safe... when one is down, im pretty sure the other is not far behind
 
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