What is the reason for water dripping from the front of the car?

Water dripping from the front of the car may be due to drainage from the air conditioning system or drainage from the drainage hole, which is normal. Specific instructions are as follows: 1. Air conditioning system drainage: It is normal for the air conditioning system to drain in summer. There are three main reasons: (1) Due to the high temperature inside the car, the cooling system needs to be started to reduce the temperature inside the car. At this time, the moisture in the hot air in the car will condense on the surface of the evaporator heat-absorbing fins with a very low temperature and be evaporated by the evaporator. The plastic shell collects water droplets and drains them out of the car through pipes. (2) After the air conditioner is turned on, the moisture in the air will condense on the outside (low pressure area) of the compressor installed in the engine room and drip on the ground (sometimes the amount of water is greater than the displacement of the evaporator). (3) The low-pressure pipeline of the automobile air conditioner is not covered with insulating foam. The surface of the pipeline is easy to condense, and water droplets in the air will condense and drip along the lowest point of the pipeline. The dripping position of the car air conditioning system is located on the right side of the middle of the front of the car. Therefore, if you turn off the car for a period of time after driving for a certain distance in summer, you will often find water dripping on the chassis on the right side of the front of the car. After a few minutes, you can see it on the ground under the car. to a pool of clean, transparent water. 2. Drainage hole drainage: There are drainage holes on the car chassis specially designed to drain accumulated water from the car body to the outside of the car in rainy and snowy weather. These drains include engine bay drains, sunroof drains, and door drains. (1) The engine compartment drain holes are generally located on both sides of the front windshield wiper. On rainy days, the water in the sunroof flows along the A-pillar duct and meets the cabin water in the fender and is discharged near the wheel fender. (2) Skylight drainage holes are generally located at the four corners of the roof skylight. After rainwater enters the drainage holes, it will follow the conduits in the A-pillar and FC-pillar and finally be discharged from the drainage outlets near the front and rear fenders under the car. (3) The door drain hole is generally hidden under the door sealing strip at the bottom of the door panel to drain rainwater that flows into the door from the gap between the door and window.