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How hot does a radiator get?

A friend of mine burned his hand pretty badly when working on his radiator the other day. It got me thinking, how hot does a radiator get?

avatar
Natalie Todoroff · Updated on
Reviewed by Shannon Martin, Licensed Insurance Agent.
Sorry to hear about your friend’s hand; hopefully he has a swift recovery. When your car is running, the radiator reaches temperatures between 195 to 220 degrees Fahrenheit. Any time you’re working
under the hood
and need to access the radiator, be sure to let your car cool down for at least an hour so you—and your hands—don’t meet the same fate as your friend.
By nature of their job, radiators run hot. That being said, if the coolant inside your radiator reaches 240F, your radiator is a little too hot. And, if it reaches 260F, engine damage is sure to follow.
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