What exactly does a radiator and antifreeze do?

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So I drive a pretty old SUV and it’s had a radiator leak for awhile. I can deduce that anytime I start to run low on antifreeze it begins to overheat. But I don’t exactly understand the causation behind it. Clearly, no antifreeze—overheat. But how exactly does that happen?

Ps. I am not mechanically inclined. I never had anyone teach me about any of this so I’m learning on my own. My mechanics are really helpful! But I don’t want to bother them as they’re super busy. Thank you all!

In: Engineering

5 Answers

Anonymous 0 Comments

When you have a hot cup of coffee, most people blow on it to cool it down. The heat of the coffee is going to the air you’re blowing on it. In the case of the car engine, there’s a middleman (coolant) to reach all the nooks and crannies of the engine. The heat is picked up by the coolant and dropped off at the air flowing into the radiator.

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