Oil mixing in coolant

2006 HYUNDAI ACCENT
117,000 MILES • 1.6L • 6 CYL • 2WD • MANUAL
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SANTHOSH RAMASWAMY
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Last week only i change head, rework gasket, changed radiators services. after i drive five hundred km i see my car radiators oil mix in coolant. what is the problem?
Oct 31, 2017 at 7:10 PM
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MHPAUTOS
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You may be seeing residue left in block coming to the top of the cooling system. did you use a flush in the cooling system? it is hard to get all the muck out of the block if you have had a bad contamination problem due to a head issue.
Oct 31, 2017 at 7:39 PM