Nissan Altima (L34) 2019-2024 Owners Manual: Air cleaner
NOTE:
The air cleaner filter should not be cleaned and reused.
Replace the air cleaner filter according to the maintenance log shown in the "Maintenance and schedules" section of this manual.
To remove the air cleaner filter:
- Unlatch the clips and move the air cleaner cover upward.
- Remove the air cleaner filter.
- Wipe the inside of the air cleaner filter housing and the cover with a damp cloth.
The viscous paper type filter element (if so equipped) should not be cleaned and reused.
The dry paper type filter element (if so equipped) may be cleaned and reused. Replace the air filter according to the maintenance log shown in the "Maintenance and schedules" section of this manual.
NOTE:
After installing a new air cleaner filter, make sure the air cleaner cover is seated in the housing and latch the clips.
WARNING
- Operating the engine with the air cleaner removed can cause you or others to be burned. The air cleaner not only cleans the air, it stops the flame if the engine backfires. If it isn't there, and the engine backfires, you could be burned. Do not drive with the air cleaner removed, and be careful when working on the engine with the air cleaner removed.
- Never pour fuel into the throttle body or attempt to start the engine with the air cleaner removed. Doing so could result in serious injury.
In-cabin microfilter (if so equipped)
Your vehicle may be equipped with an in-cabin microfilter which collects dirt, pollen, dust, etc. and reduces some objectionable outside odors.
The in-cabin microfilter is located within the instrument panel. Replace the filter in accordance with the specified maintenance intervals listed in the "Maintenance and schedules" section of this manual.
If replacement is required, it is recommended that you visit a NISSAN dealer for this service.
The filter should be replaced if the air flow decreases significantly or if windows fog up easily when operating the heater or air conditioner.