How Do You Check Your Car’s Antifreeze?

If you’ve spent any time around cars, you’ve at least heard the term antifreeze. “Coolant” is another word that many people use interchangeably with antifreeze. However, the two are technically slightly different. Regardless of what we call it, it is key to keeping our cars running. So, how do you check your car’s antifreeze?

Antifreeze | By Ryan McFadden/MediaNews Group/Reading Eagle via Getty Images

What is the difference between antifreeze and coolant?

Coolant is the general name for whatever you put in your radiator to lubricate and cool your engine. A typical coolant is half antifreeze – the nasty chemicals that do most lubricating – and half water. The antifreeze also keeps the water in your coolant from freezing in the winter, hence the name. Some companies sell pre-mixed coolant, while some people prefer to mix their own.

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