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Is It Safe to Drive With a Bubble in Your Tire?

Your tires should be smooth and round. If you notice a bubble on the sidewall, or see a section of tread bulging, it’s a sign that something is very wrong. Is it safe to drive with a bubble in your tire? The answer is a very firm “no”.

A couple things to watch out for include:

  • Bubble in the sidewall: The most common place to see a bubble in the tire is the sidewall. This is often caused by driving for even a short distance with a flat tire. What happens is that when the tire goes completely flat, part of the sidewall will slip under the edge of the wheel. This creates significant wear. It can also occur after bumping a curb, or hitting a pothole.

A bubble can be produced in areas where the rubber has worn very thin. If you attempt to drive on the tire, it’s very possible that it will blow out on you. Generally, there are no symptoms of a bubble in the sidewall that you’ll feel – you’ll see the bubble when you check your tires, though.

  • Bulging tread: If you see a bulge in the tread, rather than a bubble in the sidewall, this indicates that the tire has a broken belt (the steel belts that run around the circumference of the tire on the outside, underneath the tread). You’ll also experience a rhythmic “bumping” while driving.

Often, this is the first sign that a driver has that something’s wrong. If you notice a bulge in the tread, you may be able to drive for a short distance, at least so you can get somewhere safe and install the spare. Do not drive for long distances with a broken belt, as the tire can fail completely at any time.

If you experience either of these problems, you need to have the tire replaced immediately. It’s also recommended that you replace tires two or four at a time.

The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details
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