why do hot engines “click” when turned off?

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After driving for a little while, you turn into a parking lot, park your car, turn it off and get out. Then you hear the engine making clicking sounds. It only does it when it’s hot, does it have something to do with metals expanding when they’re hot or?

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Anonymous 0 Comments

That’s actually the frame of your car shrinking back to normal size after it expands from the engines heat.

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