Car Air Conditioning Unit Leaking Water

Common causes of car a c leaks 1.

Car air conditioning unit leaking water. It s only when the water drips on the inside of the car there s an issue. The other reasons your car can leak water are condensation from the air conditioning or the exhaust neither of which are any cause for alarm. Ac leaking reason 1. When the coil melts water overflows the drain pan.

The air conditioning system of your car is the most common source of water leak. If you notice water under your indoor air handler turn off the air conditioner at the breaker box and either call a professional or follow these steps. Broken condensate pan depending on the age of your ac unit your condensate pan may rust and crack or split over time causing water to leak from your air conditioner. The car a c leaking water can happen when the moisture in the air accumulates on your air conditioning unit s parts.

Blockage in the drain pipe the water in your air conditioner travels to the drain pan via a complex system of drain pipes. We want the water to flow out of your car through the evaporator drain. There are exceptions but we ll get to those in a moment. Sometimes though this drain can get blocked by dirt or debris.

First it s important to understand that water dripping from under the car when the a c is on is normal. Most of the time the drain line gets clogged with dirt and the water has nowhere else to go except back into the pan. You ll notice you re low on refrigerant when. Depending on the temperature it might happen that the moisture from the air concentrates on the ac parts and then dribbles down close to the rear of the engine section.

If you find an air conditioning leak address the issue immediately before you have a real problem on your hand. That of course is a coolant leak and it usually won t look like water on closer inspection. The air conditioner isn t cooling well. The first reason for your air conditioning unit leaking is that your drain line is backing up and the drain pan is overflowing.

You can minimize the risk of water leaking inside the car when the a c is on by using the unit s recirculation setting instead of the fresh air option. You hear a hissing or bubbling noise indicating a refrigerant leak depending on the severity of the refrigerant leak you ll either repair the leak or replace the whole ac unit. That accumulated moisture will drip down in the area by the rear of the engine. As we explained above condensation and excess water leave your car through an evaporator drain.