The Odyssey uses two replaceable filters: the engine air filter in the engine bay and the cabin air filter behind the glove box. Both are straightforward to swap and can be done in about 15–30 minutes with basic tools.
Engine air filter replacement
This section covers locating the engine air filter, removing the old element, installing a new one in the correct orientation, and re-securing the air box. Have the correct replacement filter (OEM or equivalent) ready and follow basic safety precautions.
- Park on a level surface, set the parking brake, and turn off the engine. Open the hood and locate the large rectangular air filter housing in the engine bay (typically toward the front-right side) connected to a thick intake hose.
- Release the housing clips or screws that secure the lid. Depending on the model, you may need to unfasten 2–3 clips or remove a couple of screws; some boxes use a small strap or clamps.
- Lift the lid and remove the old filter. While the lid is off, glance inside the housing for any debris and wipe it clean if needed.
- Install the new filter in the same orientation as the old one. If the filter has an airflow arrow, align it according to the existing setup (the arrow generally points toward the back of the engine). Ensure the filter seats fully and evenly.
- Re-seat the housing lid and re-secure the clips or screws. Reconnect any hoses or ducts if you detached them.
- Close the hood and start the engine to verify smooth operation with no unusual sounds or vacuum leaks.
Keep in mind that the engine air filter is typically recommended for replacement every 30,000 miles under normal driving conditions, but dusty or harsh environments may require more frequent changes. Always refer to the owner’s manual for the exact interval.
Cabin air filter replacement
This section explains how to reach the cabin filter, remove the old element, install a new one, and reassemble the glove box area. Replacing the cabin filter helps maintain interior air quality and HVAC performance.
- With the glove box open, locate the cabin air filter access panel behind it. You may need to remove a cover or gently release tabs to access the filter slot.
- Carefully remove the old cabin filter, noting its orientation. Most filters have an airflow arrow; ensure the new filter is installed with the arrow pointing in the correct direction (toward the HVAC unit and into the cabin).
- Wipe out any debris inside the filter housing area. This is a good time to clean around the opening so dust doesn’t circulate when the HVAC is used.
- Insert the new filter, making sure it seats firmly and the orientation matches the arrow on the filter itself. Reattach the filter cover or panel.
- Reinstall the glove box by aligning the hinges and re-securing any stops or dampers. Ensure the glove box opens and closes smoothly.
The cabin air filter generally needs replacement every 15,000–30,000 miles, depending on environment (urban areas with more pollution or rural areas with higher dust). Check the owner’s manual or consult your dealer for the recommended interval for your driving conditions.
Post-replacement checks
After completing both replacements, run the vehicle’s HVAC system on different speeds to confirm proper air flow and that there are no unusual noises. If you notice a persistent smell or reduced airflow, double-check the filter seating and seals.
Summary
For a 2016 Honda Odyssey, replace both the engine air filter and the cabin air filter when due. The engine filter is accessed in the engine bay and the cabin filter behind the glove box. Both tasks are simple and can be completed in about 15–30 minutes with basic tools, helping maintain engine performance and interior air quality. Refer to the vehicle’s manual for exact replacement intervals and filter part numbers.