S2000 Under The Hood S2000 Technical and Mechanical discussions.

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Old Dec 16, 2006 | 04:43 PM
  #1  
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I had oil in the coolant. I still have oil in the coolant! Yes I've changed the coolant. Any other ideas?

Thanks
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Old Dec 16, 2006 | 06:04 PM
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Perform a compression and leakdown test.
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Old Dec 16, 2006 | 07:24 PM
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Oil cooler?
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Old Dec 16, 2006 | 11:42 PM
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when you change the old stuff did you run the coolant out from the heater core? and there's another port you need to open to get the coolant out(rad. block and there's on by the firewall)
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Old Dec 17, 2006 | 06:02 PM
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I'd perform a cooling system pressure check too. Could be a cracked block. If you don't get constant pressure and you find new coolant in the oil. Well, I'm not sure what the next step would be.

Maybe drain out all the oil, then run the cooling system pressure check and see if you have anti-freeze running out the oil drain plug. If you find that you do have coolant getting into the pan, the engine's got to come apart anyway. I think checking the oil cooler's a good idea too. Maybe bypass the hoses around the cooler when you pressure check the system.
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Old Dec 17, 2006 | 06:18 PM
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Where does the oil go into the radiator?
The good thing is I have no coolant in the oil! I'd assume it would look milky and watery. I'm not loosing coolant.

Thanks all!
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Old Dec 17, 2006 | 06:20 PM
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Originally Posted by iam7head,Dec 17 2006, 12:42 AM
when you change the old stuff did you run the coolant out from the heater core? and there's another port you need to open to get the coolant out(rad. block and there's on by the firewall)
No I didn't know there was two ports!
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Old Dec 17, 2006 | 07:11 PM
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there's a coolant drain bolt in the engine block below the oil filter. its a 19mm bolt
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Old Dec 19, 2006 | 01:37 PM
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Originally Posted by runutzzzzz,Dec 17 2006, 07:18 PM
Where does the oil go into the radiator?
...
Thanks all!
The oil cooler (located under the oil filter) is an oil-to-water heat exchanger.
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Old Dec 19, 2006 | 01:55 PM
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if you open ur radiator cap with engine running, do you see bubbles coming out? if yes then u probably didn't install the head gasket properly

Did you have the head surfaced by a machine shop when you change the head gasket?
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