Car Ac Sounds Like Running Water

Last Updated on April 25, 2023 by Ryan

A car AC (air conditioning) system making a sound like running water could be caused by several issues. It is possible that the blower motor or fan has gone bad and needs to be replaced. Another possibility is that there is a blockage in the evaporator, which can cause an increase of pressure and will result in a gurgling noise.

Additionally, it might be caused by low levels of refrigerant due to leakage from the air conditioning system. Finally, it could also indicate an issue with the expansion valve, which regulates how much refrigerant flows into the evaporator core. If any of these are causing your car’s AC system to make noises like running water then you should have it inspected right away for proper repairs before further damage occurs.

If you’ve ever been driving in your car and suddenly heard a noise that sounded like running water, then it’s likely you were hearing the air conditioner. This sound is usually caused by low refrigerant levels in the A/C system, which can cause a malfunction of sorts within the unit. While this doesn’t necessarily indicate that anything is wrong with your car, it’s always best to get it checked out by a professional just in case!

Water Sound in Dashboard of 2015 Kia Sorento | No Worries, EASY FIX

What Do You Do If Your Ac Sounds Like Water?

If your AC is making a noise that sounds like water, the most important thing to do is shut off your unit and contact an HVAC technician. This type of noise may be caused by refrigerant lines that are leaking or condensation buildup in the air handler. A qualified technician will be able to inspect the system and determine what repairs need to be made.

In some cases, it may just require adding more refrigerant or cleaning out any clogged parts, but if there’s a major issue such as a cracked line or corroded component, then more extensive repairs may need to be done.

Why Does My Ac Sound Like It’S Dripping Water?

If your AC is making a dripping sound, it could be caused by condensation pooling in the unit. When the air conditioner runs, it cools down warm air and moisture forms inside the system which then drips out of a drain tube. If this drain tube becomes clogged with dirt or debris, it can cause water to back up into the unit and drip onto other components causing that dripping noise you hear.

It’s important to check your filter regularly, keep outdoor units free of leaves and debris, and have regular maintenance done on your AC so that any potential issues such as blockages can be identified before they become serious problems.

Car Ac Sounds Like Running Water


How to Fix Sloshing Sound in Car

If you’re hearing a sloshing sound coming from your car, it’s likely due to liquid in the cabin. This can be caused by a leak in your cooling system, which could lead to more serious problems if not addressed quickly. To fix this issue, start by checking all hoses and connections around the engine for signs of leakage or damage.

If any are found, replace them immediately. Additionally, check the level of coolant in the radiator and refill as necessary. Finally, if possible try filling up any empty spaces with foam to reduce vibrations that may cause unwanted noise.

Water Trickling Sound in Car

Drivers may be alarmed to hear a water trickling sound coming from their car, especially if it’s never happened before. This is usually caused by condensation in the air conditioner or heater system and can be fixed relatively easily with an anti-condensation drain hose kit. It’s important to address this issue as soon as possible because ignoring it could lead to major damage down the line.

Trickling Water Sound behind Dashboard

If you hear a trickling water sound coming from behind your dashboard, it may be an indication that there is a coolant leak in the engine of your vehicle. If this is the case, it’s important to address the issue as soon as possible because coolant leaks can lead to more serious damage and expensive repairs down the line. Therefore, if you experience this symptom, we recommend consulting with a professional mechanic right away for proper diagnosis and repair.


In conclusion, car ac sounds like running water can be a sign of trouble for your vehicle. It’s important to take the time to inspect and identify what is causing the sound in order to prevent further damage from occurring. If you’re unable to determine the source of the issue, it’s best to have a professional mechanic look at it.

Taking care of this issue promptly will help keep your car running smoothly and safely on the road.


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