What is the rear wheel fender assembly of a car?
The rear wheel mudguard assembly is essentially a complete set of mudguards installed behind the rear wheel frame of the vehicle, used to prevent mud and gravel kicked up by the rear wheels from splashing onto the body and chassis. It is not a single part but a combined assembly component consisting of several parts:
Wing panel: The harder outer part, usually made of black hard plastic, is resistant to slight scratches and does not rust easily.
Inner lining plate: The softer inner part that can buffer the impact of flying debris and, when combined with the wing panel, can also reduce wind resistance.
The rear wheel mudguard is generally fixed to the rear bumper and is usually about 5 centimeters protruding from the vehicle body, with the material mostly being rubber or engineering plastic. Its main function is to protect the rear body paint and chassis components, reduce mud and sand adhesion, and prevent mud and water from splashing onto pedestrians.
When purchasing or replacing, it is recommended to prioritize genuine parts that match the original vehicle size. Inferior aftermarket parts may have issues such as uneven thickness, insufficient latch strength, and improper installation, which can cause abnormal noises or loosening and falling off during driving.
The rear wheel mudguard assembly is mainly for blocking mud and gravel, protecting the body paint and chassis components. It is installed behind the tire, and the mud, stones, and rainwater kicked up by the wheel will be blocked by it, not directly splashing onto the side of the vehicle and the wheel arch, avoiding paint scratches and chassis corrosion.
Specific functions
Protect the body: Reduce the impact of mud and gravel, as well as small stones, on the doors, side skirts, and wheel arches, preventing paint scratches and chassis corrosion.
Keep clean: On rainy days or when walking on muddy roads, it can significantly reduce the number of mud spots splashed onto the side of the vehicle, eliminating the need for frequent washing.
Improve driving safety in rainy weather: Reduce the water mist thrown up by the tires, lowering the impact on vehicles and pedestrians behind.
Winter snow prevention: On snowy roads, it can reduce the accumulation of snow in the wheel arches, lowering the risk of icing.
Maintenance reminder
The edges of the mudguard are prone to aging and deforming due to sun exposure, temperature differences, and washing. It is recommended to regularly check if the fixing latches are secure and clean the accumulated dirt in the slots.
If replacing or adding, it is advisable to choose genuine parts or those that match the original vehicle size, ensuring better fit and avoiding abnormal noises caused by improper installation.
If the rear wheel mudguard assembly malfunctions, first assess the extent of the damage and decide whether to repair or replace. Minor scratches or small cracks can be observed or repaired by oneself, but if the damage is severe, the wheel guard is loose, fallen off, or affects driving safety, it is recommended to replace it directly.
Determining the extent of damage
Minor damage: Small scratches, slight wear, or small cracks that do not affect the normal function of the mudguard can be observed or repaired by oneself.
Serious damage: Large-scale fractures, breaks, severe deformation, or the mudguard loosening and sinking with the tire rubbing requires replacement.
Repair and replacement options
Self-repair: Small cracks can be filled with plastic welding tools or treated with sandpaper, putty, and paint. The process is not complex but requires patience.
Replace the component: Purchase the mudguard that fits the vehicle model at an auto parts store or online, and have it installed by a repair technician. The cost is not high.
Pay special attention
Safety hazards: Damaged mudguards may cause sand to splash into the engine compartment, and crushed stones may scratch the car's paint surface. If not dealt with in time, it may lead to rust or component damage.
Abnormal sounds: If there is a rubbing sound or a feeling of heaviness when the rear wheels rotate, it may be due to the contact between the mudguard and the tires. It is necessary to check and adjust in time.
Replacement suggestions: Mudguards do not need to be replaced regularly. When damaged, only the damaged part needs to be replaced. There is no need for a complete set replacement, which can save a lot of costs.
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