Replacing both the engine air filter and the cabin air filter is a straightforward DIY task on the 2020 Honda Accord Hybrid. The engine filter sits in a housing in the front-left of the engine bay, while the cabin filter is tucked behind the glove box. Expect to spend about 20–40 minutes total, depending on your familiarity with the process.
Engine Air Filter: Location and Replacement Steps
The engine air filter keeps dust and debris out of the intake and helps maintain performance and fuel efficiency. On the Accord Hybrid, the filter lives in a rectangular housing toward the front of the engine bay. Replacing it is a matter of opening the housing, swapping in a new filter, and resecuring everything.
What you’ll need before you begin: a new engine air filter that fits the 2020 Accord Hybrid, basic hand tools if the housing is screw- or clip-fastened, and a clean rag to wipe out debris.
- Park on a level surface, switch the engine off, and set the parking brake. Open the hood and locate the engine air filter housing (a black plastic box near the front-left side of the engine bay).
- If the housing has a cover held by clips, latches, or screws, release them to lift the lid. Some models may have a small protruding tab or a need to twist a fastener.
- Carefully remove the old air filter from the housing and note its orientation for the replacement.
- Wipe the inside of the housing with a clean rag to remove any accumulated dust or debris.
- Insert the new filter with the correct orientation. Most filters have an airflow arrow or a “This Side Up” marking; align it with the housing and ensure the filter sits flat with no gaps.
- Replace the housing lid and secure it with the clips, screws, or latches you removed earlier. Make sure it is firmly closed to avoid unfiltered air entering the intake.
- Reattach any engine cover if you removed it. Start the engine and listen for a normal idle—no unusual sounds or whistling should occur.
After replacing the engine air filter, you should feel normal engine performance. If you notice reduced acceleration or a rough idle, double-check that the filter is seated correctly and the housing is securely closed.
Cabin Air Filter: Location and Replacement Steps
The cabin air filter cleans the air entering the passenger compartment. In the 2020 Accord Hybrid, it is located behind the glove box. Replacing it helps maintain HVAC efficiency and cabin air quality, especially in dusty or urban environments.
What you’ll need before you begin: a new cabin air filter that fits the Accord Hybrid, a flashlight to inspect the housing, and a small screwdriver if your glove box setup requires it.
- Park the vehicle and turn off the engine. Open the glove box and remove any contents.
- Gently press in on the sides of the glove box to release the stoppers and let the glove box drop down or move aside, depending on your model.
- Look for a rectangular access panel or cover on the cabin air filter housing behind the glove box and remove it.
- Take out the old filter, noting the orientation of the filter so you can install the new one the same way. Dispose of the old filter properly.
- Clean any debris from the housing with a dry cloth if needed. Insert the new filter with the arrows pointing in the direction of airflow, which is usually toward the blower motor. If the filter has a specific “This Side Up” or arrows, follow those markings or align with the old filter’s orientation.
- Replace the housing cover, then lift the glove box back into place and secure it. Restore any contents you removed.
With the new cabin filter in place, run the HVAC system on a few minutes of high fan to ensure clean air is flowing and there are no unusual noises from the blower.
Tips and Common Pitfalls
These practical notes can help you avoid common mistakes during the replacement process.
- Use filters that match the exact part number or fitment for the 2020 Honda Accord Hybrid to ensure proper sealing and performance.
- Handle new filters carefully; avoid bending or tearing the filter media during installation.
- Keep a spare filter on hand for your next scheduled replacement—many owners replace engine air filters every 30,000 miles and cabin filters every 15,000 miles, but check your owner’s manual for the recommended interval in your driving conditions.
If you are unsure about accessing the filters or feel uncomfortable performing the replacement, a quick visit to a trusted shop or dealership can complete the service with the same results.
Maintenance Schedule and Final Considerations
The Honda owner’s manual provides the official maintenance intervals, which typically recommend checking the engine air filter every 15,000–30,000 miles and replacing it around 30,000 miles under normal driving. Cabin air filters are commonly recommended for replacement every 15,000 miles or once a year, whichever comes first, though dusty or high-traffic environments may require more frequent changes.
Proper disposal of used filters is encouraged, and always ensure the engine is off and cool before beginning any door-to-engine bay work. Keeping to a regular replacement schedule helps sustain performance, fuel efficiency, and cabin comfort.
Summary
In sum, changing the air filters on a 2020 Honda Accord Hybrid is a practical do-it-yourself task. Locate and replace the engine air filter in the front-left engine bay, then replace the cabin air filter behind the glove box, following proper orientation and secure reassembly. With the right parts and a little time, you can maintain your vehicle’s performance and air quality without needing a trip to the shop.