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My radiator has a milky brown to tan oily appearance I was told it’s caused by a cracked water pump. I cannot find anything that says that is possible

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  • Welcome to Motor Vehicle Maintenance & Repair! Commented Jun 26, 2023 at 19:55
  • It sounds more like oil is getting into the coolant to me. Maybe a crack in a head gasket?
    – Bob Cross
    Commented Jun 26, 2023 at 23:15

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It's not the water pump, it's a blown head gasket. You can prove it to yourself by using this test kit.

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  • Not sure how you can call this out as a blown head gasket? There aren't any oil passages going up through the head gasket which can cause oil to get into the water. Blown head gaskets usually exhibit water getting into the oil. Commented Jun 27, 2023 at 11:31

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