Everyone wants the air inside their car to be fresh and allergen-free. A clean air conditioning filter inside your car’s HVAC system will help ensure that. The filters gradually fill with dirt, dust, and debris and lose their effectiveness. This simple manual describes the detailed steps for car AC air filter cleaning, the reasons why it is needed, and more. If you’re unsure about doing it yourself, a car mechanic mobile service can handle the job conveniently at your location.
Understanding Car Air Conditioning Filters
Want to learn the process of AC filter cleaning? Let’s first understand their function. The cabin air filter removes pollutants and dust from the air that enters your vehicle’s cabin. Some vehicles may have an engine air filter and other filtering systems. But this guide will be talking about the cabin air filter, the one that helps determine the air quality inside your car.
Signs That Your Car Air Conditioning Filters Need Cleaning
You might not feel the need to focus on aircon filter cleaning unless you start noticing certain issues. Be on the lookout for these common warning signs:
- A musty or unusual odour fills the car after turning on the AC
- AC not cooling properly
- Excessive dust on the interior surfaces and dashboard of the car
- Foggy windows that are hard to clear
- Allergy symptoms worsen while driving
- Whistling or rattling noises from the vents
Focus on cleaning as soon as you notice one or more of these dirty AC filter symptoms.
How to Clean Car Air Conditioning Filters
The process of AC filter cleaning car is a simple DIY task. Here’s a step-by-step breakdown:
Step 1: Gather Your Tools
Before starting the car air conditioner filter cleaning, make sure you have:
- A screwdriver
- A vacuum cleaner with a nozzle attachment
- A soft brush or old toothbrush
- Mild detergent
- Clean water
- Microfibre cloth or towel
Step 2: Locate the Cabin Air Filter
The next step in car aircon filter cleaning is figuring out where it is. Most car models have the cabin air filter located:
- Behind the glove compartment
- Under the dashboard
- Behind the centre console
The exact location will be given in the user manual of the vehicle. You will also have to remove the glove box or open a small panel to reach the filter.
Step 3: Remove the Filter
This is one of the most important steps in AC filter cleaning. The cover might be held by screws or clips. Remove them gently without forcing anything. Make a note of the filter’s orientation. Many filters have an arrow indicating the direction of airflow.
Step 4: Inspect the Filter
Examine the filter for the following:
- Build-up of dust, leaves, or debris
- Black or grey discolouration
- Moisture or mildew spots
- Signs of physical damage
At times, replacing the entire filter is better than cleaning it. Don’t waste time cleaning if you find out that the filter is heavily damaged or if a mouldy smell persists even after regular cleaning.
Step 5: Clean the Filter
If the filter is reusable, you can clean it using the following method:
- Shake off loose debris in an open space.
- Use a nozzle attachment to gently vacuum the surface and release embedded dirt.
- If washable, rinse in warm water with mild detergent. Avoid using harsh chemicals.
- The best way to clean air filter is to use a soft brush to gently scrub between the pleats.
- Rinse thoroughly and allow it to air dry completely. Never reinstall a damp filter.
Note: All filters are not washable. If it says “Do not wash” or has a cardboard frame, only dry-clean it or replace it altogether.
Step 6: Reinstall the Filter
Put the filter back where it was when it is both clean and dry. Check whether it is in line with the airflow direction arrow. Secure the cover and return the glove box or dashboard panel to its place.
Benefits of Cleaning Car Air Conditioning Filters
A clean car air conditioning filter provides multiple benefits, including the following:
- Improved air quality inside the vehicle
- Better airflow and air conditioning performance
- Reduction in allergens and pollutants
- Longer lifespan of the HVAC system
- Enhanced fuel efficiency (less strain on the blower motor)
- Odour control for a fresher cabin
When to Replace Car Air Conditioning Filters
Even with regular cleaning, filters will get worn out. It’s generally recommended that you replace your cabin air filter every 12,000 – 15,000 miles or once a year. You should do it according to whichever comes first. But those living in highly polluted areas or driving on extremely dusty streets might have to do it more frequently.
Tips to Improve Air Quality in Your Car
Besides having a clean air conditioner filter, you can boost your car’s interior air quality by:
- Avoiding smoking or eating inside the car
- Regularly vacuuming seats, mats, and carpets
- Keeping windows shut in high-traffic areas
- Using an in-car air purifier or ioniser
- Scheduling regular vehicle inspections to check the status of your air conditioning filters
Common Mistakes to Avoid When Cleaning Air Conditioning Filters
Avoid the following errors to ensure effective cleaning:
- Washing non-washable filters, which can damage them
- Not allowing filters to dry completely, leading to mould growth
- Forcing the glove box open, breaking clips or hinges
- Installing the filter in the wrong direction reduces the effectiveness
- Using strong chemicals or bleach, which can deteriorate filter material
Professional AC Car Repair Services
If cleaning the air filter doesn’t solve your AC problems, or if you’re unsure how to access the filter, seeking help from professional experts is your best bet. A car mechanic mobile service by professionals means the following:
- Comprehensive inspection of the HVAC system
- Cleaning and replacement of all filters
- Leak detection and refrigerant refilling
- Odour and mould removal treatments
- Blower motor cleaning and servicing
These professionals are also of great help whenever you need car roadside assistance with air filters or some other component of your vehicle.
Also Read: How to Choose the Right Mobile Car Mechanic in Adelaide
Conclusion
A clean car air conditioning filter is more than a maintenance checkbox. It’s your first line of defence against pollutants, dust, and allergens while on the road. While you can try out DIY steps for minor cleaning, it’s advisable to hire a 24-hour mobile mechanic repair service from time to time for professional car air filter cleaning.
