1. Open the hood of your Xterra.
2. Locate the air filter housing. It is a black plastic box located on the passenger side of the engine compartment.
3. Unlatch the air filter housing cover and remove it.
4. Remove the old air filter from the housing.
5. Inspect the air filter for dirt and debris. If it is dirty, replace it with a new one.
6. Reinstall the air filter housing cover and latch it closed.
7. Close the hood of your Xterra.
That's all there is to it! Replacing the air filter on your Nissan Xterra is a quick and easy task that you can do yourself in just a few minutes.
