What to Do If the Car's Exhaust Pipe Rusts?
2 Answers
The car's exhaust pipe can be treated for rust by using a lift to raise the vehicle and then spraying some rust remover on the exhaust pipe. This helps remove rust and prevents further rusting. The sections of the exhaust pipe most prone to rust are the middle and rear sections located on the chassis. Due to the extremely high temperatures of the exhaust pipe, it is not possible to install protective plates. The exhaust pipe is part of the engine's exhaust system, which mainly includes the exhaust manifold, exhaust pipe, and muffler. The car's exhaust pipe is installed between the engine's exhaust manifold and the muffler, providing a flexible connection for the entire exhaust system. This setup helps reduce vibration and noise, facilitates installation, and extends the lifespan of the exhaust and muffler system.
As a veteran driver with twenty years of experience, I often see exhaust pipes rusting, mainly due to high temperature, humidity, and road salt corrosion. If not addressed in time, it may rust through, causing exhaust leaks that not only affect engine performance but may also emit harmful gases. I've dealt with it several times myself—first using sandpaper or a wire brush to remove the rust, then spraying some anti-rust paint or specialized rust inhibitor. If the rust is severe, it's best to visit a professional shop to replace the part. I recommend regularly checking the exhaust pipe and drying the undercarriage after washing the car to effectively prevent rust. It's similar to tire maintenance—you can't be careless. Keeping the exhaust pipe in good condition ensures smooth vehicle operation, saving money and ensuring safety.