Is It Normal for the Chassis to Get Scratched?

1 Answers
SanBenjamin
07/30/25 8:15am
During the design phase of a car, the chassis is built to withstand a certain level of impact. The most vulnerable parts of the car's chassis are various pipelines, such as brake hydraulic pipes and fuel pipes. However, these pipelines are concealed and protected within the grooves of the chassis steel plate, not protruding above the chassis's horizontal plane. If, as you mentioned, the chassis encountered a step, which is a flat obstacle, the steel plate of the chassis would make planar contact with the step. In this scenario, the pipelines hidden in the grooves of the steel plate would remain undamaged. On the other hand, if the chassis collides with a protruding stone on the ground, the contact surface would be point-like. The protruding stone could potentially hit the pipelines within the grooves, leading to oil or fluid leakage, which poses significant risks. It is advisable to drive your car to a repair shop and have the chassis thoroughly inspected by lifting the vehicle. If the pipelines are undamaged and only the steel plate has suffered scratches, applying some paint to prevent rust would suffice. However, if the pipelines are damaged, a comprehensive inspection and repair are necessary.
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