Airflow and Cleanliness
Ravish Kumar
| 08-05-2025

· Automobile team
We all know how important it is to have a functioning air conditioning system in our car, especially during hot weather.
But did you know that regular cleaning and maintenance of the air conditioning system and air filters can significantly improve the air quality inside your car and extend the lifespan of your vehicle?
In this article, we'll go over how to clean both the AC system and the air filters to keep your car running efficiently.
Understanding the Importance of Clean AC Systems
When we think about maintaining our car, the AC system often doesn't come to mind. However, the air conditioning system plays a crucial role in keeping our vehicle comfortable and safe, particularly during summer. Over time, dust, bacteria, and even mold can accumulate in the AC system, making the air we breathe in the car less fresh and even causing unpleasant odors. By cleaning the AC system regularly, we can help maintain better air quality inside the car and ensure that the AC continues to function efficiently.
How to Clean the Car's AC System
Cleaning the AC system in your car may seem like a daunting task, but it's actually pretty simple. Here are some steps we can follow to get the job done:
1. Turn off the Car's Engine
Before we start, make sure the car's engine is off. This ensures that we avoid any accidental electrical shocks or damage while working on the AC system.
2. Use an AC Cleaner
One of the most efficient ways to clean the AC system is by using an air conditioning system cleaner. These cleaners are available in spray cans and are designed to remove contaminants like dust, mold, and bacteria from the system. You can find AC cleaners at most auto parts stores. Simply follow the instructions on the product, and spray the cleaner into the air intake vents, usually located near the windshield.
3. Run the AC System
After applying the cleaner, turn on the car and run the air conditioning system on high for about 10 to 15 minutes. This allows the cleaner to circulate through the system, targeting mold and bacteria in the evaporator and other parts of the AC system.
4. Change the Cabin Air Filter
While cleaning the AC system, don't forget to check and replace the cabin air filter if needed. The cabin air filter is responsible for filtering out dust, dirt, and other particles before the air enters the cabin. Over time, the filter can get clogged, reducing the air quality inside the car. Replacing the cabin air filter is simple and inexpensive, and it can make a noticeable difference in the air quality and the efficiency of the AC system.
Cleaning the Air Filters
Air filters are essential for keeping the air in your car clean and free from contaminants. Regularly cleaning and replacing the air filters ensures that your car's engine runs smoothly and that you breathe clean air inside the cabin.
1. Locate the Air Filter
To clean the air filters, we first need to locate them. There are two main filters in most cars: the engine air filter and the cabin air filter. The engine air filter is usually located near the engine compartment, while the cabin air filter is typically behind the glove compartment or beneath the dashboard. Check your car's owner manual to find out the exact location.
2. Remove the Filter
Once you locate the air filter, remove it from its housing. Be careful not to damage it during removal. For the engine air filter, we'll likely need to undo a few screws or clips, while the cabin air filter may be held in place with simple clips.
3. Clean or Replace the Filter
Depending on the condition of the filter, you may either clean it or replace it. For the engine air filter, if it's just a little dirty, use a vacuum cleaner to remove the dirt and debris. If it's really clogged or damaged, it's best to replace it. For the cabin air filter, if it's just dusty, you can shake it out or vacuum it. However, if it's really dirty or the material is torn, it's time for a replacement.
4. Reinstall the Filter
Once the filters are cleaned or replaced, reinstall them into their original locations. Make sure they are securely placed and properly aligned to ensure optimal airflow.
When Should You Clean and Replace the Filters?
How often we clean or replace our filters depends on various factors, such as how frequently we drive and the environment we're driving in. As a general rule:
• The engine air filter should be replaced every 12,000 to 15,000 miles.
• The cabin air filter should be replaced every 15,000 to 30,000 miles.
However, if we notice that the AC system is blowing less cold air or there's a musty smell, it might be a sign that it's time to clean or replace the filters sooner.
Cleaning the air conditioning system and air filters in our car is an essential part of vehicle maintenance that many of us might overlook. By following the simple steps above, we can ensure better air quality inside the car and keep our AC system working efficiently. Not only will this make our driving experience more comfortable, but it can also help our car run more smoothly in the long term. Let's keep our cars clean and our rides fresh, Lykkers!