The Ultimate Black Coolant Handbook Maximize Your Cooling Efficiency

Most times you can find a 'flushing kit', I think Prestone makes one. It comes with it's own chemicals which you shouldn't have to worry about hurting the ... Try draining your radiator to see if there is oil mixed with the antifreeze. That could mean a blown headgasket or other serious engine problems. When I went to drain the Evans out of the radiator, it came out black. I thought it was oil at first! I double checked and it wasn't oil, but I can't help but ... The new fluid was orange, but now after just 2k this fluid looks black as well...why the heck does the coolant change color so fast? Either it did not set up properly or was not the common one under many names. . I suspect some abrasive component of it might be taking out the ... Another possibility on the black coolant could be that there is residue still in there from some improper coolant or additive that someone put ... Black could be aluminum corrosion since most of the system is made of that. Might be it never got properly rinsed out, I'd be doing it again.... Antifreeze & Car Coolants in Oils and Fluids - Black(40) ... New Star Cool Synthetic Engine Coolant starbrite 33264 64 oz. New Star Cool Synthetic Engine Coolant ... After some digging, I noticed my coolant is thick and black and there appears to be a leak out of the seams of my expansion tank. It sounds to me that it is one of two things. Either head gaskets or bad/ruptured oil cooler. What does the oil look like? Have you been missing oil lately? ...