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Hie guys

I had oil and sulge in my water cooling system. took out all the coolant and replaced it with clean coolant. took a test drive had the same oil in my system again. what could be the problem?

  • Look at that linked question, and also look at your oil and see how it looks - does it have water in it or is it pure oil? Search with those results. We have several "oil in coolant" and vice versa.
    – JPhi1618
    Sep 6 '17 at 20:29