The engine air filter on a 2020 Honda Accord can be changed quickly by locating the air-filter housing, removing the cover, swapping in a new filter with the correct orientation, and reseating the box. The job usually takes about 5–10 minutes with basic tools.
Details below explain what you’ll need, the step-by-step process, and tips to ensure a proper seal and optimal engine performance. The Accord’s air-filtration system is designed for relatively straightforward maintenance, but variations between trims may affect the exact clips or fasteners used. Always refer to the owner’s manual for model-specific guidance.
What you’ll need
Gather these items before you start to ensure the replacement goes smoothly.
- New engine air filter of the correct size for your 2020 Accord
- Clean work area and a flashlight or phone light
- Gloves and a clean rag for wiping debris
- Optional: small screwdriver or socket driver if your housing uses screws
- Owner’s manual or a note of the exact filter part number for your trim
Having the right filter and tools on hand helps ensure proper seating and a clean intake, reducing the chance of unfiltered air entering the engine.
Steps to replace the air filter
Follow these steps to replace the air filter in most 2020 Accord models. The general process is the same across trims; some clips or fasteners may differ.
- Park on a level surface and let the engine cool before working in the engine bay.
- Open the hood and locate the rectangular engine air-filter housing, typically on the passenger side near the front of the engine bay.
- Release the housing fasteners or clips. If screws are used, remove them with the appropriate screwdriver or driver.
- Carefully lift the housing cover to expose the old filter. Do not let any dirt fall into the intake opening.
- Remove the old filter and inspect the inside of the housing for debris. Wipe out any dirt with a clean rag.
- Compare the old filter to the replacement to confirm the correct size and orientation. Note the direction of the airflow arrow on the filter.
- Install the new filter with the airflow arrow pointing toward the engine, ensuring it sits evenly and fully within the housing without gaps.
- Reposition the housing cover and secure the clips or screws firmly. Do not overtighten if you’re using screws.
- Close the hood and start the engine to ensure it runs smoothly and there are no unusual noises or air leaks.
With the replacement complete, verify the seal around the housing and ensure nothing is loose that could allow unfiltered air into the intake.
Tips for a proper seal and orientation
Important details to keep in mind include aligning the filter so the arrows point toward the engine, seating the filter evenly, and ensuring the housing seal is clean and undamaged. If the cover won’t close easily, remove the cover again and reseat the filter to eliminate any misalignment or debris.
Maintenance and replacement intervals
In normal driving conditions, consider replacing the engine air filter every 15,000–30,000 miles, or as specified in your owner’s manual. In dusty or harsh environments, inspect the filter more frequently and replace sooner. If you notice reduced engine performance, rough idle, or decreased fuel economy, inspect or replace the filter sooner.
Note that there can be small variations between engine types (for example 1.5L turbo vs 2.0L) and trims, so always consult the owner’s manual or dealership for the exact guidance and part numbers for your vehicle.
Summary
Changing the engine air filter on a 2020 Honda Accord is a quick maintenance task that can improve engine efficiency and performance. By locating the air-filter housing, swapping in a correctly oriented new filter, and reseating the housing securely, you can complete the job in minutes and help protect the engine from dirt and debris.