Detecting and Fixing Oil in Your Coolant Reservoir A Comprehensive Guide

basically what the TSB says is that "there was an internal casting issue with the block at the cylider walls that would allow the oil and ... GL 450 2007. It's still drivable. I just got an alert yesterday that coolant is low. Is this an expensive fix ? Transmission fluid would be physically impossible. It has to be engine oil. Oil cooler replacement is the #1 suspect given the timing. 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 / ... The mixture of coolant and oil reduces the efficiency of both fluids. This results in more friction and heat causing severe overheating and wear and tear to ... 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 ... Only way to tell at this point is to perform a compression and leak-down test to see if it really is the head gasket or something else. Fresh ... 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 ... The black gunk in your overflow reservoir looks kinda like misshapen globs like what you see in a lava lamp, it may be engine oil. When a head gasket fails, oil can leak into the cooling passages and then end up in the coolant. This results in the brown sludge that can be seen in the top of ...