Oil Contamination in Water Coolants A Guide to Effective Management

If your car's oil and coolant are mixing together, it's usually a case of having a blown head gasket. Water is under pressure from the water pump whereas the oil is not as it is only draining. Hence water in oil but not vice versa and no exhaust ... Re: Oil in the Antifreeze (coolant) ... The info on the Egr cooler is that it has a water jacket or only water pipes are on it, no oil. So if the ... ... coolant leaks such as blown head gasket, cracked head, cracked block, damaged oil cooler, or leaking water pump. (If the water pump is ... To get oil in the coolant, the leak has to be where the oil pressure is higher than the cooling system. This is almost never the head gasket. My ... Under the oil fill cap there was that light brown stuff that forms when oil and water come together. Also drained the water from the coolant ... A bit of oil in the coolant does aid the water seal on the pump but a lot is a problem. If you have antifreeze in the coolant it will breakdown ... Consider what happened, oil and coolant mixed and the mixture permeated through every oil passage in the engine, likewise it likely entered ... A blown head gasket allowing oil into the coolant would also allow coolant into the oil, causing a frothy or milky look. I'd say say flush the coolant with distilled water first the refill with 50/50 and you should be good to go. I second replacing both of the gaskets. Be sure to ...