Maintaining air inside your Tesla is very important. It’s just as important as keeping the battery healthy.
One simple thing people often forget to do is change the cabin air filter. The good news is you don’t have to go to a service center for it.
You can replace the cabin filter yourself. Here is a guide, for Tesla Model 3 and Model Y owners. It will take you than 20 minutes to do it.
Why Cabin Air Filters Matter in Tesla
Tesla cabin air filters are really important because they do a lot of things.
They filter out dust and pollen and pollutants.
They also stop smells from coming out of the air conditioning system.
- Filtering dust, pollen and pollutants
- Preventing odors from the air conditioning system
- Improving how well the heating and cooling system works
- Making the air, inside the Tesla better to breathe
Tesla cabin air filters get clogged after a while especially if you live in a place that’s really dusty or humid.
This makes the air not flow well and it can smell bad inside the Tesla.
When Should You Replace the Cabin Filter?
Tesla says you should replace the cabin air filter:
- Every 2 years if you use it normally
- Every 1 year if you drive in areas with a lot of pollution or high humidity
Here are some signs that its time for a filter:
- You notice an bad smell coming from the air conditioning
- The airflow from the AC seems weaker
- You see dust, inside the car
- Your allergies get worse when you’re driving
Tools & Parts You’ll Need
Before you start make sure you have these things:
A flashlight. This is not necessary. It can make things easier.
New cabin air filters, for your Tesla Model 3 or Model Y. You can get HEPA or standard ones depending on your cars model.
A T20 Torx screwdriver
A tool to remove plastic trim. This is optional. It can be helpful.
Step-by-Step DIY Cabin Filter Replacement
Step 1: Power Off the Vehicle
- To park your car safely you need to turn off the climate control.
- Next you should open the passenger side door.
- Now you have to move the passenger seat all the way so the passenger seat is fully backward.
Step 2: Remove the Passenger Footwell Panel
- You need to remove the push clips.
- Next you have to disconnect the light connector.
- Then set the panel aside so you can work on things.
- Remember to set the panel after you have disconnected the footwell light connector and removed the push clips and the panel.
Step 3: Remove the Cabin Filter Cover
- To get started you need to find the plastic cover. It is usually, near the center console.
- Next you will see a T20 Torx screw. You have to unscrew the T20 Torx screw.
- After that you can gently pull off the plastic cover.
Step 4: Remove the Old Filters
- Tesla Model 3 and Tesla Model Y use two filters stacked on top of each other.
- To access them gently pull the filters out slowly.
- When you do this make sure to note the arrow that shows the direction of airflow.
- The Tesla Model 3 and Tesla Model Y filters have an airflow direction arrow.
💡 You may notice dust, leaves, or mold buildup—this is normal over time.
Step 5: Install the New Filters
- Insert the air filter first then put in the top one.
- Make sure the airflow arrows on the filter point, towards the back of the car.
- Put the filter cover back on tightly to secure it.
Step 6: Reassemble Everything
- To fix things you need to put the footwell panel on.
- Next you have to connect the light connector
- After that make sure the clips are secure. The footwell panel does not come off and the light connector stays connected and the clips are in place properly, for the footwell panel and the light connector.
Step 7: Test the AC
- Turn on climate control
- Check for improved airflow and fresh air smell
✅ You’re done!
Pro Tips for Tesla Owners
- To get rid of smells you should use activated carbon filters.
- They really help with odor control.
- When you put in a filter make sure to clean the air conditioning vents.
- Do not touch the filter media with your hands.
- It is an idea to replace the filters before summer starts so that your air conditioning works really well and keeps you cool.
- Replace activated carbon filters before summer for cooling with better odor control.
Cost Comparison: DIY vs Service Center
| Method | Approx Cost | Time |
| Tesla Service Center | $55 USD– $89 USD | 1–2 hrs |
| DIY Replacement | $22 USD– $44 USD | 15–20 mins |
DIY not only saves money but also gives you better control over filter quality.
FAQ
Are air filters really effective for car pollution coming in through the window?
The filters usually only filter the recirculated air inside the vehicle. If the windows are closed, AND the air con is set to recirculate, then if the filter is in functional condition, you will be removing many of the larger particulates inside the passenger compartment.
But passenger compartment filters are typically not very good, and many of the allergens floating about will not get trapped.
If your windows are open and/or the air con is set to bring in outside air they are mostly useless.
And by the way, modern cars are designed to ALWAYS let a certain amount of outside air in. If the cars were sealed tight, dangerous exhaust gasses could accumulate in the passenger compartment.
I don’t know how Teslas and other EVs are designed, but i would speculate that even though they do not generate exhaust, they probably follow the same design criteria as ICE vehicles.
Do air filters really make a difference in a car?
Your car has 2. One for the engine and one for the cabin.
The cabin. I didnt change it for years in a Toyota. Finally the air con quit working. Guess what. The filter was completely plugged up. New filter, and air con worked. Same for the heater.
The engine. If it gets plugged up completely, the engine wont even run. Air must get into the engine. If you even slow down the air you will burn more fuel. Keep a clean filter in the car. It will always run better. Thats just good sense.
Now, saying a filter makes no difference. Thats just dumb. Of course they make a difference. If you leave out the engine filter, debris will enter the combustion chamber, and possibly wreck the engine.
Just my opinion here.
Is a bigger air filter better for a car?
Yes it offers less resistance to air flow using less power during the intake stroke.
With more area it will take longer to block up and still flow well.
Space to fit it is the only problem.
Even if it costs 50% more it will have a longer service life if it has twice the area.
Don’t expect a power increase with cute little performance air filters the size of a lawnmower filter on a car you will loose power and they will block quickly.