Mastering Oil Contamination in Water Coolants Prevention and Treatment

For coolant to be getting into the oil I'd say you've got a bad oil seal #8 on the oil pump/water pump shaft. This would allow coolant to leak through over time, and the water would drain down through the rings down to the oil pan. Diesel engines were ... I've only ever heard of oil in the coolant from a bad head gasket, or a cracked head. It's not impossible it's a cracked block, but I can't ... It may be pushing oil into the system down in the waterpump area where maybe a gasket isn't sealing. I think that's the only pressurized oil ... I don't know about your particular model but a failed thermostat housing is commonly the cause on other vehicles as oil and water come into ... What this guy says. Oil filter housing/cooler assembly is notorious for leaking on the Pentastar engine. I recommend you do it yourself, because ... Coolant can react to oil and make it sludge, which isn't good, and coolant in your lubrication system would be bad. So the next step is to ... When you check the coolant and the fluid looks brownish or milky, it's likely that the coolant is contaminated with engine oil. There's several points where oil and water can mix, the headgasket being the most common, the water pump is another possibility, or internal ... I'd say heat exchanger is most likely. From what I've seen, head gasket is more often coolant in oil rather than oil in coolant. I just replaced ...