Is It Normal for Car Shock Absorbers to Rust?
3 Answers
Without the protection of paint, they are prone to rust when exposed to water, which is a normal phenomenon and not a problem. Below is a related introduction to car shock absorbers: 1. Definition of Car Shock Absorbers: In order to quickly dampen the vibration between the frame and the body, improving the smoothness and comfort of the car's ride, shock absorbers are generally installed on the car's suspension system. The most widely used type in cars is the double-acting telescopic shock absorber. 2. Introduction to Car Shock Absorbers: Shock absorbers are wear-prone parts during the use of a car. The performance of the shock absorbers directly affects the smoothness of the car's ride and the lifespan of other components. Therefore, it is important to keep the shock absorbers in good working condition.
I've been driving for ten years and have seen shock absorber rust issues quite a few times. Actually, it's pretty normal for steel shock absorbers to have some surface rust, considering exposure to wind, sun, and rain—especially in humid areas or on roads treated with de-icing salts during snowy weather. However, it's important to distinguish between light surface rust and deep corrosion. The former isn't a big deal, but the latter is very dangerous. If the metal around the springs starts flaking or cracking, it needs to be replaced immediately, or it might suddenly break when going over bumps. My neighbor ignored the rust on his car, and later when going over speed bumps, the whole chassis made loud clunking noises—replacing the shock absorbers ended up costing him several hundred dollars. When washing your car, take a quick glance at the undercarriage. If you see rust, clean it with a stiff brush and apply some rust-proof oil. For cars older than five years, it's even more important to check regularly.
Honestly, there's usually no need to panic about shock absorber rust - metal parts naturally develop rust spots over time. The key is observing the location and severity. If it's just a thin surface layer on the casing that doesn't affect functionality, it's fine. But if there's extensive rust on core components like the piston rod or cylinder body, that demands attention. My old car in a coastal city developed severe rust within three years, noticeably bumpy and unstable during rainy days. This was caused by failed internal damper oil seals accelerating corrosion, which not only compromises comfort but also risks deformation and oil leakage on rough roads. I recommend checking every six months with the car lifted, treating any rust spots immediately with anti-rust agents. If pitting corrosion appears, replace them promptly - driving safety should always come first.