Unlock the Potential of Black Coolant A Comprehensive Guide to Improved Performance

Another possibility on the black coolant could be that there is residue still in there from some improper coolant or additive that someone put ... 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 ... I've got a black waxy residue that will not flush out. Another interesting characteristic is that the solidified residue liquifies when heated and floats to ... Universal Radiator Coolant Overflow Tank Bottle 800ml Aluminum Black. Keep Operational Temperatures-Radiator coolant overflow tank makes the engine coolant ... 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? ... Signs of a head gasket is carbon deposits in the coolant reservoir. Attach a coolant pressure tester and run engine to check coolant pressure. Yup. Oil pressure is 80+ psi, water pressure 15 psi max. So... generally when there's a breach between the oil gallery and the coolant passages ... check the fluid or check the dip stick vice versa to see. If there is no oil/coolant mix in either the engine or the radiator, it's possible it ... You need an invitation code to register! To obtain an invitation code, please e-mail [email protected] with a reason why you want to join. The black substance you see is what's left of the inside of your hoses typically. The one that seems to suffer the most is the one in the ...