![]() ![]() ![]() Can I put antifreeze in my engine coolant? It cools the engine by raising the boiling point of the fluid to approximately the operating temperature of the engine and then drawing away the excess heat. Why do they call coolant antifreeze?Īntifreeze is often called “coolant,” since it circulates in the cooling system and subcomponents like the water pump, radiator and thermostat. It will then filter 'round the engine and mix with your coolant to make sure the liquid does not freeze. Once mixed with water, you simply pour antifreeze into the same place as the engine coolant: the expansion tank, or reservoir. There are many different types of coolant, so it's important to know what variety is right for your car or truck. Antifreeze is generally made up of ethylene glycol or propylene glycol and is the primary ingredient of this product.Įngine coolant, also known as antifreeze, is mixed with water to keep the radiator from freezing in extreme cold and overheating in extreme heat. Alternatively, you can purchase pre-mixed engine coolant, a ready-to-use solution of antifreeze and water.Antifreeze vs coolant, what’s the core difference between the two? Simply put, coolant is the product you put inside your vehicle, while antifreeze is one of the active ingredients of a coolant mixture. Antifreeze is a concentrated, glycol-based liquid that must be diluted with water before use – at which point it is referred to as coolant. ![]() Well, antifreeze and engine coolant are similar, but not the same. ![]()
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