Car Air Conditioning Repair: 5 Reasons Why Your Vehicle's AC Leaks Water

Let's dive in and break down the reasons for the leak.

Condensate Drain Pipe Blockage:

When you see water leaking inside your vehicle, it is a sign that there is a blockage in your car's condensate drain pipe. You will frequently find the car floor getting wet as the condensate pipe drain's water inside, and the blockage prevents it from draining water outside the car.

You need to bend or squeeze the drain hose, releasing debris inside it. You can also insert a screwdriver for clearing the hose.

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Improper Wiring Connection between Condensate Pipe and Ventilation System:

Water can leak inside your car because the condensate drain and ventilation system are not properly attached. In such a scenario, the drain cannot work in the designated manner. Instead of the water going out of the car, it comes inside.

As this is a simple issue, you can find the condensate drain and then attach it to the ventilation system yourself.

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Refrigerant Level is Low:

A car requires refrigerant in sufficient amounts to maintain its cool circulation of air. When your car's refrigerant level is low, it will lower the pressure in your AC system. This results in the evaporator coils freezing up, which causes the condensate pipe to overflow and leak.

When your car AC system blows hot air instead of cold, it usually means that the refrigerant level is low. You can refill it as soon as possible to get the issue resolved.

Blocked or Dirty Air Filters:

Dust and moisture cause the AC's air filter to choke up over time. It accumulates dirt, which is the reason why you should get your car serviced from time to time. The blockage may cause your car's evaporator coils to freeze up. This will result in the overflowing of water from the condensate drain.

It would be helpful if you regularly get your car serviced by a professional to avoid debris from accumulating in the air filters. Your car's manual will also state how frequently you should get your air filters cleaned. It will help in saving you a lot of time and money.

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Condensate Drain Pipe is Broken:

The car's condensate drain pipe collects rust or even breaks due to wear and tear over time. An accident might also cause the condensate drain pipe to break. This can lead to leakage of water from your air conditioner. You need to check the amount of damage on the condensate drain pipe and replace it if the situation demands it.