Why is water dripping under the front of the car?

[DeLane]

There are two possible reasons for water dripping under the front of the car: air conditioning system drainage and radiator leakage. The details are as follows: Air conditioning system drainage: In summer, the outdoor temperature is high while the temperature inside the car with air conditioning on is low, creating a temperature difference that causes water to drip from the chassis. The low-pressure pipes of the car's air conditioning system are not wrapped with thermal insulation foam, making the pipe surfaces prone to condensing moisture from the air. Water droplets will also condense and gather at the lowest point of the pipes, then drip down. Radiator leakage: The radiator is located next to the car's engine. If the radiator connections become loose, leakage can occur. In this case, the dripping water will be colored, usually red or green.