Is It Normal for Water to Drip from the Bottom of a Car?
2 Answers
It is normal for water to drip from the bottom of a car. The reasons for water dripping from the bottom of a car are as follows: 1. Carbon dioxide and water vapor produced by exhaust gases: The car engine draws in air and atomized gasoline, which is then ignited by the spark plug to perform work. After complete combustion, the combustible gases become exhaust. The main components of exhaust are carbon dioxide and water vapor. 2. Water vapor condenses into water when cooled: The exhaust temperature of the car's exhaust pipe is very high, but the ambient temperature is relatively low. The water vapor in the exhaust will condense into small water droplets when it encounters the surrounding low temperature. When the accumulated water reaches a certain level, water can be seen spraying out from the exhaust pipe. In fact, this indicates that the engine is burning well and operating normally.
As a veteran driver with 15 years of experience, I often see water dripping from car chassis in parking lots. The situation depends on the dripping location and fluid condition. In summer, water dripping under the engine when the AC is on is completely normal—it's just AC condensation water, like our sweat. But if it's red or green fluid, be cautious; leaking coolant can produce white smoke. Gasoline leaks have a distinct smell, while brake fluid leaks make the pedal feel soft. The simplest detection method is placing a white sheet underneath—water stains will dry completely, while oil stains will spread. Remember to regularly check under the chassis, especially for older vehicles.
