Oil in Coolant Reservoir A Peril to Your Engine

Nope there is no place that oil and water intersect besides inside the engine. You're most likely going to find that's it's: #1 blown head gasket (semi common) I have asked an "Audi specialist" garage for an opinion on the oil in the expansion/coolant tank. They believe the oil cooler to be the most likely fault. Instead of liquid soap, I would use baking soda and water. I would mix the baking soda and water in a 5 gallon bucket and I would add enough ... 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. Worst case is blown head gasket. There's a kit which attaches to the cooling system. It contains a dye that reacts with hydrocarbons. There's evidence of oil residue in the coolant overflow tank in my 2012 Outback 3.6R. It has 150K miles, and has been dealer maintained. 2015 2.0l. She has oil in the coolant reservoir & all of the coolant hoses ae swollen up with what seems like oil seeping out of them. There is no coolant in ... The only good news is that oil in the coolant is better than coolant in the oil... Expensive fix, but probably worth doing. Any car can have a head gasket fail. If oil is leaking into your coolant, the coolant will be overflowing because oil is adding to the coolant. Therfore, your oil should be consumed. A blown head gasket allowing oil into the coolant would also allow coolant into the oil, causing a frothy or milky look.