Why is the air conditioning water leaking into the car in the Ono?

[StGrant]

Here are the reasons why the air conditioning water leaks into the car in the Ono: 1. Improper installation of the unit: The indoor unit is tilted, and the direction of the pipe opening is too high. Due to the loose or wavy shape of the drain pipe, drainage is not smooth. 2. Condensation on the piping: Due to poor or too thin insulation material on the pipeline, condensation occurs when the refrigerant passes through the pipe. 3. Dripping from the heat exchanger: The heat exchanger is covered with dust, causing uneven temperature distribution during heat exchange, resulting in water droplets forming midway on the heat exchanger. These droplets fall outside the drain pan and drip into the car. Insufficient refrigerant in the air conditioning system causes the indoor unit to freeze, and the melted ice forms water droplets that do not directly fall into the drain pan.

[Jodi]

Last time I drove the Ouno, the air conditioning water started leaking into the cabin, soaking the carpet. I suspect the drain pipe is clogged. When the AC cools, it condenses water droplets, which should normally drain out through a pipe under the car. But if it gets blocked by leaves or dust, the water flows back into the car. Another possibility is a cracked condensation pan, which can age and leak over time. I tried finding the drain pipe myself—usually located under the hood—and cleaning out the debris with a thin stick, which should solve the problem easily and quickly. If left untreated, the water can corrode the floor metal, leading to rust and mold, making it much harder to fix later. I recommend a simple monthly check to avoid trouble.

[VanArya]

I often tinker with car systems, and the air conditioning leakage in the Ouno is mostly caused by drainage system failures. When the air conditioner is running, the evaporator cools down and produces condensation. If the drain pipe is blocked—for example, by insects or debris—the water has nowhere to go and ends up flowing into the car. Alternatively, the pipe may be cracked, aged, or have holes, leading to leaks. You can locate the drain outlet under the front of the car and try blowing air to clear any blockages. To prevent this, park away from areas with many trees and clean the system regularly. If leakage persists, check if the condensation pan is intact and replace any damaged parts if necessary to keep the system unobstructed.

[DelJulian]

Air conditioner water leakage into the car poses significant risks. Wet and slippery floors can easily cause accidents and may also corrode components, leading to safety hazards. Investigate and resolve the issue immediately without delay. Generally, drainage blockage is the main cause. Timely repairs ensure safe and worry-free driving.