What Causes Uneven Tire Wear?
2 Answers
The phenomenon of uneven tire wear is characterized by severe wear on both sides, no side wear, or wave-like wear. Different phenomena require different solutions. If both edges of a tire show regular and roughly equal severe wear (excluding leaf spring issues), it is usually caused by insufficient tire pressure. Solution: Check and replenish tire pressure. If the tire wears evenly but excessively, without side wear or wave-like wear, common causes include: poor road conditions, unsuitable tread patterns for specific surfaces; improper user maintenance, mixed tire installation, or lack of timely rotation (timely rotation can extend mileage by 20%); severe overloading, causing excessive tire stress; higher environmental temperatures leading to shorter tire lifespan. Solution: Replace with qualified tires. Regular wheel alignment: Wheel alignment enhances driving safety, extends tire lifespan, reduces fuel consumption, minimizes tire wear (avoiding uneven wear), and decreases suspension component wear. Therefore, it is essential to have wheel alignment done periodically at a 4S shop or professional repair facility. It is recommended to perform this at least once a year or every 10,000 kilometers. Adjust tire pressure: Note that both overinflation and underinflation can cause uneven tire wear. Underinflation causes the tire to bend inward, leading to severe edge wear, while overinflation accelerates wear on the center of the tread. Thus, regularly monitor tire pressure to ensure it remains at the normal level. Generally, inflate or deflate according to the vehicle's specified tire pressure.
I've been driving for over a decade and seen many tire wear issues, mainly caused by uneven tire wear. The most common is incorrect wheel alignment, such as errors in toe angle or camber angle, which forces one side of the tire to wear faster. Improper tire pressure is also a frequent culprit—too high and the center of the tread wears out, too low and the edges suffer. Old problems in the suspension system, like worn ball joints or shock absorbers, can cause the tires to pull to one side. Poor driving habits, such as sudden acceleration or braking, also accelerate tire wear. Unbalanced tires or deformed rims can lead to excessive bouncing during turns. I recommend checking alignment and tire pressure every six months—early repairs can save a lot of money and extend tire life. Overloading the vehicle also adds strain, leading to premature wear.
