An explanation of Coolant colors, including what happens if you mix them wrong

multicolored wall in shallow focus photography

A 50/50 mixture of water and antifreeze is called coolant. Like motor oil, coolant is pumped through an internal combustion engine to dissipate heat, prevent corrosion, and support proper motor operation at low temperatures. Not every internal combustion engine vehicle uses the same antifreeze and water mixture, although they all have a coolant-filled cooling system. … Read more