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International Automotive Technicians Network
Re: Oil in coolant
Posted to Technical Discussion Forum on 1/14/2020

Sounds like a bad oil cooler plate gasket. If the gasket seal is weak it will seep a little oil into the coolant. Oil is high pressure, coolant is low pressure when hot.

Next item is a bad oil cooler.

Next possibility is if oil is seeping due to a bad head... Login to read more.