Oil in Coolant Reservoir Causes and Solutions Exposed

It's your oil cooler. I promise. Drain and change NOW before you build too much sludge throughout cooling system and heater core. It's going to ... Oil filter housing gasket is common failure point and can cause this - coolant runs through there. You should also change your oil when you do the gasket as ... If you have oil in the coolant jug then you have a blown head gasket. Depending on if it's overheating your car is going to die. A blown head gasket allowing oil into the coolant would also allow coolant into the oil, causing a frothy or milky look. Share your videos with friends, family, and the world. It is likely the oil or transmission fluid is a higher pressure than the coolant, it will likely fill the radiator with oil, and not water in the transmission ... The oil drops are suspended and floating in the coolant. Check your oil level next and look for white goo on the inside of the oil filler cap. OP? You are describing the buildup that occurs on the relatively cool walls of the plastic surge tank. Called 'Phase Separation' it is the ... Transmission fluid would be physically impossible. It has to be engine oil. Oil cooler replacement is the #1 suspect given the timing. If you have oil in your reservoir you have a blown head gasket my friend. You can see it better in the reservoir then you can in the radiator.