Does a small scratch on the wheel hub have any impact?

[VonLucia]

Wheel hub scratched a small piece does not affect. The following is a specific introduction to automobile wheel hubs: 1. Working method: The wheel hub bearing unit adopts a bearing unit and an anti-lock braking system. The wheel hub unit is designed with inner and outer flanges, the inner flange is fixed to the drive shaft with bolts, and the outer flange installs the entire bearing together. 2. Wear impact: Worn or damaged wheel hub bearings or wheel hub units can cause high-cost failures during vehicle operation, and even pose safety hazards. 3. Upgrade method: The most common method for upgrading automobile wheel hubs is to replace them with aluminum alloy rims, or to use larger wheel hubs to improve vehicle performance and appearance.

[OMiles]

As a car enthusiast, I recommend carefully inspecting the scratched area. While a small chip on the wheel rim edge may not significantly affect safety, you should pay attention to three key points: First, check if there are any bulges or cuts on the tire sidewall. If the scratch damages the tire's cord layer, the tire needs to be replaced. Second, inspect the wheel rim for deformation. You can take it to a repair shop to have the wheel removed and perform a dynamic balance test. If the deviation exceeds 10 grams, the rim should be repaired. Third, monitor for air leakage. Scratched paint on aluminum alloy rims is prone to oxidation and corrosion. From my experience, it's especially important to check before driving on highways. This type of damage is like a cracked edge on a phone screen—it may look minor but can hide significant risks.

[McTyler]

Last time I reversed and scraped the curb, it broke my heart to see the scratched alloy wheels. Actually, such minor scratches can be divided into two situations: if only the surface clear coat is damaged, there's no need to worry about safety issues at all; but if the impact was strong enough to bend the wheel rim edge, you should be cautious. Here's a self-check method: run a bank card along the wheel rim - if the card gets stuck by protruding parts, it indicates severe deformation. It's common for female drivers to bump their wheels occasionally, but be alert if the dent exceeds 2cm in depth, especially for models equipped with run-flat tires, as wheel deformation makes blowouts more likely to occur.

[HopeAnn]

Veteran drivers share three key points: Minor scratches on the wheel hub usually don't affect driving, but three conditions must be met—the tire's inner cords aren't exposed, the wheel hub has no cracks, and the vehicle doesn't pull to one side. If the steering wheel starts to shake, there's an 80% chance the wheel hub is out of round and needs correction. For daily maintenance, it's best to apply some anti-rust wax to scratched areas, especially during rainy seasons when they're prone to saltwater corrosion. I've seen many car owners overlook minor damage, only to find the entire wheel hub edge oxidized and bubbling six months later. After all, the wheels bear the weight of the entire vehicle, so it's always better to be cautious.

[VanLiam]

Family cars emphasize practicality, sharing my real-life experience: At the beginning of the year, I scraped the alloy wheel in a mall underground parking lot, and the 4S shop quoted 800 yuan for repair. Actually, for minor damage, you can buy wheel repair paint online and fix it yourself for just 30-50 yuan. But pay attention to: 1) The wheel must be completely cooled before repainting, otherwise bubbles will form; 2) Wait until the next day to wash the car after repainting; 3) Never ignore cracks. Special reminder for parents who frequently drive their kids: Pay extra attention to rear wheel damage. My car developed a slow leak after the rear wheel was scraped.