Car Fluid Mixing is usually when, your vehicle’s oil and engine coolant mix together. Engine oil is responsible for keeping your engine lubricated and preventing friction between metal parts. When engine coolant mixes with engine oil, it can cause the oil to become less effective, leading to poor engine performance and even engine failure.

White Stuff, Under My Oil Filler Cap – What Is It ? Is It Bad ?
So, you take the oil cap off of your valve cover, to top off your oil. Then, you find milky creamy white stuff, coating the bottom of the oil cap and down into the filler […]