To inspect the engine air cleaner/ filter, remove the filter from the vehicle and lightly shake the filter to release loose dust and dirt. If the filter remains covered with dirt, a new filter is required.
To inspect or replace the air cleaner/ filter:

1.4L L4 Engine

1.8L L4 Engine
1. Remove the two screws, tilt the cover, and slide it out of the assembly.
2. Inspect or replace the engine air cleaner/filter.
3. Lower the cover, slide it into the assembly, then secure with the two screws.
See Maintenance Schedule for replacement intervals.
Warning
Operating the engine with the air cleaner/filter off can cause you or others to be burned. The air cleaner not only cleans the air; it helps to stop flames if the engine backfires. Use caution when working on the engine and do not drive with the air cleaner/filter off.
Caution
If the air cleaner/filter is off, dirt can easily get into the engine, which could damage it. Always have the air cleaner/filter in place when you are driving.
When to Inspect the Engine Air Cleaner/Filter
Cooling SystemHood Rear Seal Replacement
Hood Rear Seal Replacement
Callout
Component Name
1
Hood Rear Seal
Procedure
Clean the area where the seal will be mounted. Use a suitable solvent
with a mixture of 50?€‰percent isopropyl alcohol and 50?â ...
Automatic air conditioner
Basic information
The automatic climate control system in the Nissan Armada is designed to provide
maximum comfort and convenience for both driver and passengers. You can operate
the system either through the dedicated front air conditioner control panel or directly
via the touchscreen climat ...
Brake fluid
Basic information
For detailed specifications regarding brake fluid for your Nissan Armada, refer
to the section "Capacities and recommended fluids/lubricants" in the official documentation.
Maintaining the correct brake fluid condition in the Nissan Armada is essential
for ensuring ...