Where Does the Car Air Conditioner Water Drain From?
2 Answers
Car air conditioner water typically drains from the underside of the vehicle, located behind the engine. Here is a detailed introduction about car air conditioning: Overview: The car air conditioning device (air-conditioning-device), referred to as car air conditioning. It is used to adjust and control the temperature, humidity, air cleanliness, and airflow inside the car cabin to the optimal state. Functions: Car air conditioning provides a comfortable environment for the driver, reducing travel fatigue; It creates good working conditions for the driver, ensuring driving safety. The car air conditioning system usually includes a cooling device, heating device, and ventilation device.
I've been repairing cars for over 20 years, and air conditioning water issues are common. When the AC is cooling, hot air inside the car passes through the evaporator and condenses into water droplets, which accumulate and flow into a plastic drainage tray below. From there, a drain tube guides the water to exit underneath the chassis, typically near the engine bay or close to the front wheels. During inspections, I often encounter clogged drain holes, such as debris blocking the tube opening. If water can't drain, it may accumulate in the chassis, causing corrosion or mold inside the car. I recommend car owners check the drain tube's condition every six months and observe water dripping on the ground while driving to ensure proper drainage. If dampness or odors appear inside the vehicle, address the issue promptly to avoid health risks—a simple high-pressure air cleaning can usually fix it. Regular maintenance can extend the AC's lifespan.
