Why Do Car Tires Bulge?
3 Answers
Tire bulging occurs for the following reasons: 1. Tire bulging is caused by excessive internal pressure. 2. During driving, if the sidewall of the car tire is impacted, the sidewall fabric may rupture, allowing external air to enter the tire and causing a bulge. To minimize the risk of tire bulging, follow these measures: 1. Always slow down when passing over speed bumps to avoid sudden strong impacts that may deform the tire and rim. 2. Reduce speed when driving on rough roads to prevent sudden compression and deformation of the tire and rim. 3. Regularly check tire pressure to ensure it is within the normal range, avoiding abnormal pressure that could lead to bulging. 4. Park the vehicle on level ground to prevent sidewall compression.
With over a decade of experience in auto repair, I can say that 90% of tire bulges are caused by impact. Hitting potholes or scraping against curbs suddenly exerts force on the tire sidewall against the rim, breaking the internal cord layers. It's like popping a balloon—the rubber surface may look fine, but the inner structure is already damaged. Especially in summer, both overinflated and underinflated tires are dangerous; hitting potholes at high speed is a surefire way to cause trouble. The sidewalls are extremely thin—never take them lightly. A bulging tire can blow out at any moment, so replace it immediately. Remember to slow down when approaching deep potholes in the future, and always check the production date and specifications when buying new tires.
My buddy just got a new car the other day and the tires already have bulges. He was so pissed he started cursing. Turns out it's a common issue with low-profile tires—thin and stiff sidewalls that can bulge even from hitting speed bumps. These tires might look cool, but they're a nightmare on rough roads. Once they bulge, there's no fixing them; you have to replace them. When buying new tires, keep an eye out—some shady shops sell refurbished old stock, and these aged tires are even more prone to bulging. Remember to check tire pressure monthly and avoid scraping curbs when parking. Still driving on bulged tires? A blowout on the highway is no joke!
