Coolant meaning

Coolant definition

Liquid in the cooling system . Usually a mixture of water and antifreeze (ethylene glycol). This mixture lowers the freezing point of the water in the cooling system , prevents rust and corrosion, lubricates the water pump , and picks up heat from the engine and transfers it to the air passing through the radiator .

Automotive Dictionary Index

Automotive terms beginning with "C", page 34

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