Eli5 bubble on my tire

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I just got a new tire put on my car a few weeks ago. Earlier this week I noticed the tire had a bubble on it. Ironic because the whole reason I got a new tire was because the previous tire had a bubble. Anyway, took it back to where I got the tire and they replaced it but they had determined I hit something (i.e. a pothole). I had hit a pothole, a small one at a construction site near my home. My question is, how does a brand new tire bubble after hitting a small pothole?

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3 Answers

Anonymous 0 Comments

Kinda like getting a blister on your hand.

So you hit the pothole and it creates a dent in the steel belt inner part of the tire. Now you’ve got it dented and pulling in and then keep driving which makes the tire hot and trying to expand the rubber. When the rubber gets hot and expands it separates from that dented section of the steel belt. And then bubbles up and now you’ve got a blister. It can’t melt back together so it just keeps bubbling when you drive on it.

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