The head gasket manages the oil and coolant flow by sealing the ... It's not wise to continue driving if your car's engine has a blown head gasket. Your best recourse is to consult a mechanic ...

The gasket in question is probably the head gasket and when this fails, it can allow the engine oil and coolant to mix, which is why you’re seeing oil in the coolant expansion tank. If you check the ...

Check the engine oil next. If it’s milky and discoloured, then that’s another sign of a blown head gasket. That said, just because there’s no evidence of coolant in the engine oil, doesn’t necessary ...