Why does the engine sound change after the vehicle wades through water?

[VonJade]

It may be related to water entering the bearings of the engine belt and wheel bearings. The following is a related introduction about vehicle wading: 1. Introduction to vehicle wading: As the name suggests, vehicle wading refers to driving in low-lying areas or on roads with accumulated water, passing through water. This generally occurs in rainy weather, where inadequate drainage equipment leads to water accumulation in low-lying road sections. 2. Precautions for vehicle wading: Before wading, observe the road conditions carefully; maintain stable power while in the water; after wading, check the electrical system. If the car stalls in the water, the main reason is usually water entering the exhaust pipe, and in some cases, there may also be electrical damage. Once the car stalls, do not attempt to restart it, as this may cause water to enter the intake manifold and damage the valves, potentially leading to severe engine damage. Instead, the vehicle should be towed to a 4S shop immediately for professional handling.