What adverse consequences can occur when a car bottoms out?

[JesseFitz]

Generally, bottoming out can cause scratches on the underside of the car, and the scratched areas are prone to rust. It can also lead to deformation of the undercarriage, and in severe cases, damage to the engine oil pan. If the impact occurs on the engine oil pan, there is also a certain chance of oil pan damage. Here are some related solutions: 1. How to handle oil leaks: Once an oil leak is detected, it must be repaired at an auto repair shop as soon as possible, otherwise, it can cause significant damage to the engine. 2. How to handle scratches on the car's undercarriage: It is best to apply a layer of undercoating to the chassis to avoid rust caused by severe scratches. Undercoating is an adhesive coating sprayed onto the car's undercarriage, which quickly solidifies into an elastic protective layer. It not only provides anti-corrosion and anti-rust benefits but also helps mitigate the impact of bottoming out on the chassis. Additionally, it can reduce noise and vibrations in the car, enhancing driving quietness and extending the lifespan of the undercarriage to some extent.

[Eli]

I've experienced this situation before. That time when I drove over a deep pothole, the chassis directly scraped the ground, and I felt the entire car shake violently. Upon inspection, it was found that the exhaust pipe was deformed causing abnormal noises, and the repair cost over 2000 yuan. Additionally, slight damage to the suspension was discovered. If it had been more severe, the fuel tank could have been punctured and leaked, posing a huge safety hazard. The worst part was the unstable body during driving, especially when turning, where the centrifugal force increased, making it prone to losing control and rolling over. Now, I always avoid uneven road sections. I recommend car owners to regularly install protective plates under the chassis to prevent the chain reaction after scraping the bottom, ensuring both safety and cost savings.

[EmiliaLynn]

Bottoming out is no trivial matter. I've found that once the chassis suffers an impact, critical components like sensors or electronic modules may get damaged, triggering warning lights or even causing rough engine operation. Delayed repairs can lead to suspension deformation, causing the vehicle to pull to one side, generating excessive noise and poor fuel efficiency at high speeds. A friend's car once lost all its brake fluid due to this issue, nearly causing an accident. Typically, a full chassis disassembly is required for inspection, costing at least thousands of yuan. It's advisable to drive slowly over potholes—making it a habit can significantly reduce risks.

[Mitchell]

After our family car bottomed out last time, it immediately developed a persistent abnormal noise. Upon inspection, we found cracks in the chassis fuel line with fluid slowly seeping out, which was quite alarming. The ride became extremely bumpy, especially when carrying children, making it feel even more unsafe. The repair involved towing and component replacement, costing a total of 1500 yuan. In the long run, the vehicle's structural integrity might be compromised, affecting its overall lifespan, and we'll need to frequently return to the 4S shop for fault point inspections.