How to Replace the Tesla Model Y Cabin Air Filter: A Step-by-Step DIY Guide

Maintaining air quality inside your Tesla Model Y is crucial for comfort and health. The air filter plays a vital role in blocking dust, pollen, and other pollutants. Regular replacement ensures optimal performance of your vehicle's climate control system, delivering a cleaner, healthier driving experience. This guide provides detailed steps for replacing the air filter in your Tesla Model Y.

1. Signs You Need a New Air Filter

• Reduced Airflow: The fan is on high but less air comes out of the vents.

• Musty or Moldy Odors: A tell-tale sign of mold or mildew growth on the filter, often noticed when the AC first turns on.

• Increased HVAC Noise: The fan motor has to work harder to pull air through a clogged filter.

• General Timeline: Tesla recommends inspection every 2 years, but replacement is often needed annually, especially in dusty or high-pollen areas.

2. Tools and Parts Required

• Replacement Filter(s): Specify that the Model Y uses two filters (e.g., part number 1099343-00-A for HEPA/Carbon filters). Must be purchased in advance.

• Trim Removal Tool(s): A plastic pry tool is essential to avoid damaging the interior trim.

• #10 Torx Screwdriver or Bit: Required to remove the panel screws.

• Flashlight: To see into the dark HVAC cavity.

• Gloves (Optional): To keep hands clean.

3. Step-by-Step Process to Access the HVAC System

• Disclaimer: Always perform this task with the vehicle in Park. This is a guide; proceed at your own risk.

• Step 1: Empty the Glovebox. Remove all contents.

• Step 2: Remove the Dampener Arm. Locate the small arm on the right side of the glovebox that controls its slow-drop feature. Gently pry it off its ball joint using your fingers or a trim tool.

• Step 3: Remove the Glovebox Stopper. On the left side, find the plastic stopper pin. Push it inward or gently pry it to release the glovebox.

• Step 4: Let the Glovebox Hang. Once both sides are released, the glovebox will swing down and hang freely, revealing the filter cover behind it.

• Step 5: Remove the Filter Cover. Use the #10 Torx screwdriver to remove the two screws securing the cover. Pull the cover straight off.

4. Replacing the Filters

• Step 6: Remove the Old Filters. Pull the old filters straight out. Note their orientation (airflow arrows) for installing the new ones.

• Step 7: Insert the New Filters. Slide the new filters into the housing, ensuring the airflow arrows point DOWN (toward the blower motor). This is critical.

• Step 8: Reassemble in Reverse Order.

  1. Snap the filter cover back into place.

  2. Secure it with the two Torx screws.

  3. Lift the glovebox back into position.

  4. Reattach the stopper pin on the left side.

  5. Reclip the dampener arm on the right side.

• Step 9: Test the System. Turn on the HVAC fan to ensure it operates normally and the odor is gone.

5. Pro Tips for a Successful Replacement

• Buy Quality Filters: OEM Tesla filters or reputable third-party brands (like HEPA) are recommended.

• Inspect the Housing: While the cover is off, use a flashlight to check for any debris in the intake housing.

• Odor Elimination: For strong smells, consider using an HVAC cleaner spray before installing the new filters (follow product instructions carefully).

• Take Your Time: Be gentle with the plastic clips and trim to avoid breaks.

View Video