Can Water Enter the Transmission?

1 Answers
SanCarson
07/30/25 6:24am
Water can enter. Here is the relevant information: Reasons for Water Entry: Water mainly enters the transmission through the vent hole. Since the transmission is not completely sealed, water can directly enter through the vent hole. Additionally, if the transmission encounters water and cools down during operation, and the water level is high, it may also draw water in through the vent hole. Scenarios of Water Entry: The first scenario is when the car is submerged in water. The specific criterion is that if the water level exceeds two-thirds of the wheel height, the probability of water entering the transmission is around 80% to 90%. If the water has reached the dashboard level, the transmission is 100% flooded. The second scenario occurs during oncoming traffic; if there is excessive water on the road, the splashes hitting the car body may also cause water to enter the transmission.
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