1. Getting Started - Prepare for the repair
2. Open the Hood - How to pop the hood and prop it open
3. Remove Filter - All of the steps needed to remove the air filter
4. Replace Filter - Insert the filter and put everything back in place
5. More Info. - Additional thoughts on changing the filter
The engine air filter in your 2009 Nissan Frontier cleans the air that enters your engine. You should change the filter on your Frontier at least once a year or every 20,000 miles, whichever comes first. If you drive in dusty or sandy conditions, you should change your filter more frequently. A dirty air filter will cause your Frontier to lose 1 - 3 mpg, depending on your driving, you can save 70 - 100 gallons of gas per year simply by changing your filter regularly. The video above, shows you where the engine air filter is located in your Frontier and how to change it!
In addition to improving the fuel economy of your Frontier, regularly replacing your air filter will put less strain on your engine. These filters are fairly inexpensive, so check out our parts page for great deals and coupons on a new one (tip: buy several, when you go to check the filter on your Frontier, you can easily swap it for a new one if it is dirty).
Hans Angermeier has produced over 100,000 videos showing drivers how to fix things on their cars. He has broad expertise on basic repair procedures covering the majority of cars on the road.
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