Understand the difference between coolants, and how to look for problems. Coolant (sometimes referred to as antifreeze or radiator fluid) is used to regulate your engine temperature and prevent it ...

As engines get very hot, coolant helps distribute heat to help prevent overheating and engine damage. It also adds antifreeze protection and acts as a lubricant for some of the engine’s components. If ...

Coolant is a 50/50 combination of water and antifreeze. Like motor oil, coolant flows through internal combustion engines to absorb and remove heat, prevent corrosion, and help the motor function at ...

Draining and filling the engine coolant is fairly straightforward for most vehicles produced before 2000. Start by checking the condition of your coolant when the engine is cool. Remove the radiator ...