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What causes engine oil to turn white?

Updated: 12/10/2022
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16y ago

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WATER. This indicates a blown head gasket. Damage has been done to the engine in the form of overheating and the head gasket(s) have blown. Water therefor has leaked into the oil. Replacing the head gaskets is the way to repair this motor.

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Q: What causes engine oil to turn white?
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