Sidewall Bulge

…immediately. A bubble in the sidewall of the tire indicates that the inner liner has been damaged to the point that it's allowing air to escape. Also, only the thin (nylon or polyester) sidewall plies are keeping the tire from a blowout. Bubbles or bulges in the sidewall are normally the result…

A break, bulge or bubble in the sidewall of your tire is typically the result of an impact that damaged the tire casing's fabric reinforcing plies. This means only thin layers of rubber remains to contain air inside the tire. Replacing the tire as soon as possible is the best path forward. If…

…impact, thus creating sidewall separation. There is no fix for this as rubber cannot 'heal' itself after such an injury. Eventually, the bulge will either grow larger and burst or pop when you run over another pothole. We get calls often from folks claiming that the sidewall bubbles are due…

…me today about a bubble on the sidewall of one of his Bridgestone Blizzak Winter Tires. He thought it may have been a defect in the tire. What he actually has was a sidewall bubble. What is a sidewall bubble? A sidewall bubble is a bulge protruding from the sidewall of the tire. It is caused by air…

…area of the tire's sidewall. Since radial tires feature steel cord reinforcing belts under their treads to keep them flat, indentations only appears on the sidewalls. Sidewall Protrusions Fig. B: Vertical bulge on sidewall from rim to tread. However, if protruding bulges, as shown in Fig. B (photo…

…problems with their tires, like sidewall bubbles. If you can see a round bulging area protruding on the sidewall of the tire, this is often referred to as a bubble. The bubble is appearing because air from inside the tire is leaking into the carcass and sidewall plys of the tire. Most bubbles are…

…if you plan to drive fast because the tires will be subjected to tremendous stresses. Because of the weight they bear, pneumatic tires' sidewalls bulge and their treads flatten as they roll into contact with the road. This results in dimensional difference between the tire's "unloaded" radius…

…more susceptible to catastrophic failure. * Tires that exhibit any bubbles, blisters or bulges, or have large cuts, cracks or other significant damage from road hazards in the tread, shoulder and/or sidewall areas should be replaced. Only inspecting the tire's inner-liner after dismounting the tire…

…one axle at a time. Only tires of the same tire make and type must be used. However, in case of tire damage such as cuts, punctures, cracks or sidewall bulges that cause a single tire to be replaced for safety reasons, the remaining matching tire on that axle must not exceed 30 percent wear. If the…