Wednesday, April 9, 2014
Why Does Water Leak From My Exhaust
Water leaking from the exhaust pipe of a car is caused by the catalytic converter and the condensation of water vapor, according to autoupkeep.com. This is normal and nothing to worry about.
Combustion
The combustion of gasoline produces carbon dioxide and water vapor, according to chemistryland.com. Oxygen reacts with hydrogen in gasoline to produce water vapor, which exits the engine through the exhaust manifold.
Exhaust System
The exhaust, which includes carbon monoxide, nitrous carbon dioxide, water vapor and unburned gasoline are processed by the catalytic converter, which changes the gasoline to more carbon dioxide and water and directs them into the muffler.
Other Facts
In hot weather, the water vapor is less likely to condense and drain, but in cold weather, water vapor will do exactly that and drip from the tailpipe. Over time, water in the exhaust system can cause corrosion.
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