What are the rear wheel arches of a car
The rear wheel arch of a car is a semi-circular component located above the rear wheel, usually made of stainless steel or rubber. It mainly serves a decorative purpose and can reduce wind resistance.
Specific functions
Youdaoplaceholder0 Decorative : The semi-circular design enhances the visual effect of the vehicle body, especially creating a low-profile and dynamic look on non-white vehicles.
Youdaoplaceholder0 Protective effect : It can reduce damage to the car paint and lower maintenance costs in case of minor scratches.
Youdaoplaceholder0 Aerodynamics : Optimizing the streamlined design can reduce the coefficient of drag and enhance driving stability.
Material selection
Common materials include stainless steel and rubber. The former is mostly used for permanent installation, while the latter is commonly found in detachable designs.
The main functions of the rear wheel arches of a car include decorating the body, optimizing aerodynamic performance and providing protection against scratches.
Decoration and Personalization
The rear wheel arch is usually a semi-circular component. It enhances the visual appeal through chrome trim, making the body lines more fluid. Especially for non-white vehicles, it can present a low-profile and dynamic shape, meeting the needs of personalized modification.
Aerodynamic optimization
The arc-shaped design of the wheel arches can guide the airflow direction, reduce the wind resistance coefficient, improve fuel economy and enhance driving stability, especially with remarkable effects during high-speed driving or in complex road conditions.
Anti-scratch protection
Installed on the upper edge of the tire, it can effectively reduce the probability of the wheel hub area being scratched and prevent foreign objects such as sand, stones, mud and water from damaging the vehicle body.
The repair method for the rear wheel arch failure of a car should be selected based on the specific degree of damage. Common treatment methods include touch-up painting, shaping repair or replacement of parts.
Minor scratch treatment
If only the surface is scratched and the primer is not exposed, a touch-up pen or self-spray paint can be used for repair. The surface needs to be cleaned first. Apply as instructed and wait for it to dry. If the scratch is deep and the primer is exposed, it is recommended to go to a professional repair shop for sanding and painting treatment.
Broken or severely damaged
If the wheel arch is broken or has large damage, repair or replacement should be chosen according to the situation. Minor damages can be repaired by plastic welding, but if the damage is severe, it is recommended to replace the wheel arches with new ones. When replacing, you need to purchase accessories that match the vehicle model and install them according to the instructions.
Abnormal installation position
If it is found that the rear wheel arch does not fit tightly with the vehicle body or the height is inconsistent, the flatness of the ground and the tire pressure need to be checked. If the distance on one side changes due to load, it can be restored after adjusting the position of the goods or unloading. If the shock absorber leaks oil or the spring is misaligned, it is necessary to have the chassis components inspected and repaired at a 4S store.
The repair method for damaged rear wheel arches of a car should be selected based on the extent of the damage:
Minor damage treatment
If only the surface is scratched and the primer is not exposed, a touch-up pen can be used for repair. After cleaning the surface, apply it as per the instructions and wait for the paint to dry. If the primer is exposed but not deformed, it is necessary to go to a professional repair shop for sanding and painting treatment.
More serious damage
If there are fractures or large-scale damages, repair or replacement should be selected according to the situation
Youdaoplaceholder0 repair : After cutting the rusted and rotten part, grind and polish it. Make the same shape component with iron sheet and weld it back together. Then, grind and paint it.
Youdaoplaceholder0 Replacement : Purchase matching accessories and install them by yourself (for the snap-on type, simply fasten it; for the adhesive type, simulate the installation), or have it handled by a professional.
Prevention and Maintenance
Regularly check the condition of the wheel arches to prevent scratches and corrosion. After repair, apply anti-rust agent or stick a protective film to extend the service life.
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