How Deep Does Water Need to Be for the Transmission to Get Flooded?

[SanArthur]

If the water level exceeds two-thirds of the wheel height, the probability of the transmission getting flooded is approximately 80% to 90%. If the water has already reached the dashboard level, the transmission is 100% flooded. Additional details are as follows: 1. Do Not Start the Engine After Wading: Avoid starting the engine after wading through water. Pay attention to the water depth and refrain from restarting the engine. Even with flood insurance, insurers will not cover damages caused by restarting the engine. Additionally, the transmission, differential, or front/rear axles may get flooded. 2. Impact of Transmission Flooding: When water enters the transmission, the performance of the transmission fluid is compromised, leading to reduced effectiveness. This can cause clutch slippage, increased fluid temperature, and even the generation of steam or boiling of the fluid-water mixture. These viscous substances may also accumulate in the valve body, causing blockages and affecting the transmission control system.