Oil in Coolant Reservoir A Comprehensive Guide to Diagnosis and Repair

... oil is getting in your coolant overflow tank. Oil coolers and transmission coolers are very comment causes of oil in the coolant so you want ... The ONLY place I'm finding oil is IN the antifreeze coolant reservoir. Just to clarify: 1. There is NO power loss at all. The car feels and performs great. The oil cooler is the most likely cause, like most engines, it's combined with the oil filter housing. If your repairer doesn't know this and / ... A leak between the oil containing part of the block and the cooling part is the only way that you can get motor oil in the coolant. 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. Using some Preston coolant flush solution and running the engine hot 20-30 minutes idling and letting the coolant cool to 150°F, i was able to ... I inspected my engine to find watery oil on the outside of the air intake and abs brake module (behind the coolant reservoir). A quick check of ... Worst case is blown head gasket. There's a kit which attaches to the cooling system. It contains a dye that reacts with hydrocarbons. 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. The oil dipstick looks nice and clear/dark pure oil, no coolant. Could it be related to the radiator, or any other part of the car that would have been damaged ...