What is the reason for water leakage from the exhaust pipe in winter?

1 Answers
AlexandraAnn
07/30/25 9:11am
The reason for water leakage from the exhaust pipe in winter is that complete combustion of gasoline produces water and carbon dioxide. Water exists as vapor in high-temperature environments, but when it encounters the cooler exhaust pipe, the vapor condenses into liquid water. Therefore, it is normal for some cars' exhaust pipes to drip water during winter. The automobile exhaust pipe, also known as the exhaust pipe hose, is installed between the engine exhaust manifold and the muffler, creating a flexible connection for the entire exhaust system. It serves to reduce vibration and noise, facilitate installation, and extend the lifespan of the exhaust muffler system. Automobile exhaust pipes are mainly used in light vehicles, mini vehicles, and buses. Their structure consists of a double-layer corrugated pipe covered with a steel wire mesh sleeve and clamping rings on both straight ends. To enhance noise reduction, the corrugated pipe may include an expansion joint or mesh sleeve inside.
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