What is the biggest hidden danger of a flood-damaged car?

[DelMariana]

The biggest hidden dangers of a flood-damaged car are as follows: 1. Electronic system failure: Non-professional off-road vehicles generally have little waterproof treatment for electronic equipment on the vehicle. After water exposure, the engine's related electronic modules are prone to short circuits due to rusting caused by water immersion. In addition, car wiring is usually routed along the bottom edge of the doors, making it very easy to be soaked by water. Once these modules and circuits malfunction, the mildest consequence is the failure of a certain function, while severe cases may lead to vehicle damage or even fires caused by short circuits. 2. Engine failure: When the water level is higher than the engine's air intake, water will naturally flow into the cylinders, forming a mixture of air and water. However, while air is compressible, water is not. This means that when the crankshaft pushes the connecting rod to compress towards the piston, the water cannot be compressed, causing the connecting rod to deform and bend due to the resistance of the water.