Step by step guide on how to troubleshoot and repair an automotive oil in coolant
problem, this information pertains to most vehicles.
Difficulty Scale: 4 of 10
Begin inspection with the vehicle on level ground, engine "OFF" and cooled off,
in park with the emergency brake set.
Step 1 - Many automotive engines utilize an oil
cooler in which radiator coolant passes through to remove heat from the oil. When
these coolers fail they allow engine oil to enter the cooling system and into the