What is the reason for water dripping from the middle of the Emgrand GS exhaust pipe?
3 Answers
The reason for water dripping from the middle of the Emgrand GS exhaust pipe is: the water vapor evaporated from gasoline during combustion condenses into water when the temperature drops in the exhaust pipe area. Taking the 2020 Geely Emgrand GS as an example, it belongs to a compact SUV with body dimensions of: length 4440mm, width 1833mm, height 1573mm, wheelbase 2700mm, fuel tank capacity 55l, and curb weight 1365kg. The 2020 Geely Emgrand GS features a MacPherson independent front suspension and a torsion beam non-independent rear suspension. It is equipped with a 1.4L turbocharged engine with a maximum horsepower of 141ps, maximum power of 104kw, maximum torque of 235nm, and is paired with a 6-speed manual transmission.
I've seen many Emgrand GS owners asking this question, and actually, water dripping from the middle of the exhaust pipe is quite common. This is usually a sign of good engine combustion efficiency, as gasoline combustion produces water and carbon dioxide. At high temperatures, water is in a gaseous state, but it condenses into liquid water when cooled in the middle section of the exhaust pipe, dripping from the gaps at the joints. The Emgrand GS's exhaust system is designed with a small drainage hole specifically to remove water formed from condensed water vapor. This phenomenon is more noticeable in winter, mainly because the low temperatures make it easier for water vapor to condense. As long as the dripping liquid is clean water without any oily smell, there's generally no need to worry. However, it's more practical to pay attention to whether there are any bubbling sounds or signs of rust in the exhaust pipe.
As an owner of an Emgrand GS for two or three years, I can tell you that water dripping from the exhaust pipe is basically a normal phenomenon. The principle is simple: the exhaust gas produced after gasoline combustion contains water vapor, which condenses into water when it meets the cold exhaust pipe at the rear of the engine. Especially when the air conditioning is cooling in summer, the area behind the radiator is particularly prone to condensation. I specifically asked the mechanic during maintenance, and he said as long as it's not gushing like a leak, or the water is mixed with oil or milky impurities, it's fine. However, here's a detail to note: if the car's power drops significantly and there's dripping water, then you should suspect whether the cylinder head gasket is damaged, causing coolant to leak into the combustion chamber. In short, don't panic if you see a puddle of clear water under the exhaust pipe.
