What is the impact of car corrosion on performance?
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Car corrosion can severely affect vehicle performance in various ways, and even pose a direct threat to driving safety. The main impacts are as follows: The structural integrity of the vehicle – A 1% corrosion rate in the vehicle body results in a 5%-10% decrease in the strength of those areas, which significantly reduces the vehicle’s crash protection capabilities. A vehicle that originally received an E-NCAP rating of four stars may see its crash safety rating drop to three stars due to corrosion; in severe cases, rusting of structural components such as the frame can lead to serious accidents. Braking system performance: Severe rust on the brake discs reduces the friction between the brake pads and the discs, thereby increasing the braking distance. It can also cause braking oscillations and unusual noises; in extreme cases, it may lead to braking drag or even failure, significantly increasing the risk of accidents. Power and fuel efficiency: When holes form due to corrosion in the exhaust pipe, the exhaust resistance increases significantly, which reduces the engine’s power output. It also leads to incomplete fuel combustion, resulting in a 10%-15% increase in fuel consumption ； When the cooling system pipes become corroded and blocked, the heat dissipation efficiency drops by 40%, which can lead to engine overheating and cylinder damage. Other additional effects: Rust on the chassis can reduce the vehicle’s handling stability and may also cause leaks in the fuel system ； Corrosion of the vehicle’s paint surface causes the vehicle to age rapidly, significantly reducing its residual value as a used car.
Thank you for sharing such detailed information; it really broadened my horizons! It seems that people often overlook the chain reaction caused by vehicle corrosion; I didn’t expect that collision safety ratings could drop by so much as a result. Taking this post as an opportunity, I’d like to share a few practical tips that might be useful for fellow car owners: Regularly check whether the adhesive layer on the underside of the chassis and wheel arches is damaged. Especially in areas in the north where there is a lot of road salt used for de-icing in winter, it’s recommended to wash the chassis once every six months. A slight layer of rust on the surface of the brake disc is not something to worry too much about; it will be worn away after a few normal braking sessions. However, if there are deep pits caused by rust, the brake disc should be replaced promptly – don’t wait until there is severe shaking or unusual noises before taking action. To address rust in the vehicle’s structure, it is advisable to carry out a thorough rust removal process and apply an anti-rust primer, especially in areas where water tends to accumulate such as the door sills and edges of the doors. The above are just personal experiences; for cases of severe corrosion, it is recommended to take the device to a professional repair shop for testing and assessment. After all, safety is at stake, so one should not make judgments on their own.