How to Get Rid of Fishy Smell in Your Car AC. A Full Guide

Have you ever turned on your Hyundai car AC and noticed a fishy smell coming from the vents?

If so, you are not alone.

Many Hyundai owners have reported this issue and wondered what causes it and how to fix it.

A man cleaning his car
How to Get Rid of Fishy Smell in Your Car AC

In this article, I will explain the possible reasons why your Hyundai car AC smells like fish and what you can do to get rid of the odor.

Causes of Fishy Smell in Hyundai Car AC

There are three main causes of fishy smell in Hyundai car AC: mold and mildew, leaking antifreeze, and dead animals.

Mold and Mildew

One of the most common causes of fishy smell in Hyundai car AC is mold and mildew growth.

This can occur when the evaporator coil gets too cold from insufficient air flow or a clogged cabin filter, creating condensation on the metal surface of the evaporator coil.

The moisture then provides a breeding ground for mold and mildew, which produce a fishy or musty odor when the AC is on.

Leaking Antifreeze

Another possible cause of fishy smell in Hyundai car AC is leaking antifreeze.

Antifreeze is a liquid that circulates through the engine and the heater core to cool down the engine and provide heat for the heating system in the winter months.

Antifreeze has a fishy smell, and if it leaks from a heater core, a loose clamp, or a cracked hose, it can enter the AC system and emit a fishy odor when the AC is on.

Dead Animals

The third possible cause of fishy smell in Hyundai car AC is dead animals.

Sometimes, rodents, insects, or other small animals can sneak into the car and find their way into the AC system, where they may die and decompose.

This can create a fishy or rotten smell that is very unpleasant and hard to remove.

Solutions for Fishy Smell in Hyundai Car AC

Depending on the cause of the fishy smell in your Hyundai car AC, there are different solutions that you can try to eliminate the odor.

Solutions for Fishy Smell in Hyundai Car AC

1.Clean or Replace the Cabin Filter

The cabin filter is a device that filters out dust, pollen, and other contaminants from the air that enters the car through the AC system.

If the cabin filter is dirty or clogged, it can reduce the air flow and cause the evaporator coil to freeze up, leading to mold and mildew growth.

To prevent this, you should clean or replace the cabin filter regularly, at least once a year or every 15,000 miles. You can either do it yourself or take your car to a mechanic.

To clean or replace the cabin filter, you need to access the glove box and remove the filter from its housing.

You can then either vacuum or wash the filter, or replace it with a new one.

2.Check and Fix the Antifreeze Leak

If the fishy smell in your Hyundai car AC is caused by leaking antifreeze, you need to check and fix the source of the leak as soon as possible.

Antifreeze is toxic and can damage the engine and the AC system if left untreated.

You can either inspect the heater core, the hoses, and the clamps yourself, or take your car to a mechanic.

If you find any signs of leakage, such as wet spots, stains, or puddles under the car, you need to repair or replace the faulty parts.

3.Remove the Dead Animals

If the fishy smell in your Hyundai car AC is caused by dead animals, you need to remove them from the AC system and disinfect the area.

This can be a difficult and unpleasant task, and you may need professional help. You can either try to locate and remove the carcasses yourself, or take your car to a mechanic.

You may need to dismantle the AC system and use a flashlight and a wire hanger to reach the dead animals.

After removing the dead animals, you need to clean and sanitize the AC system with a disinfectant spray or a bleach solution.

How often should I change the cabin filter in my Hyundai car?

You should change the cabin filter in your Hyundai car at least once a year or every 15,000 miles, or more often if you drive in dusty or polluted areas.

How can I prevent mold and mildew growth in my Hyundai car AC?

You can prevent mold and mildew growth in your Hyundai car AC by maintaining proper air flow, using the recirculation mode sparingly, and turning off the AC a few minutes before turning off the engine.

How can I tell if my Hyundai car has an antifreeze leak?

You can tell if your Hyundai car has an antifreeze leak by looking for wet spots, stains, or puddles under the car, checking the coolant level and color, and smelling the air from the vents.

How can I prevent animals from entering my Hyundai car AC system?

You can prevent animals from entering your Hyundai car AC system by parking your car in a garage or a well-lit area, sealing any gaps or holes in the car, and using repellents or traps.

Conclusion

In conclusion, fishy smell in Hyundai car AC can be caused by mold and mildew, leaking antifreeze, or dead animals.

To get rid of the odor, you need to identify the cause and apply the appropriate solution.

You can either do it yourself or take your car to a mechanic.

By following these steps, you can enjoy a fresh and clean air in your Hyundai car.

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