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The engine air filter in your 2004 Buick Century cleans the air that enters your engine. You should change the filter on your Century 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 Century 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 Century and how to change it!
In addition to improving the fuel economy of your Century, 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 Century, you can easily swap it for a new one if it is dirty).
If your transmission is running low on fluid, be sure to add some - find out how to do this here!2004 Buick Century Custom 3.1L V6
Don't be the guy with your third brake light burnt out2004 Buick Century Custom 3.1L V6
If your car is leaking a small amount of power steering fluid - see this video on how to fix the leak2004 Buick Century Custom 3.1L V6
Burnt out brake lights increase your chance of getting rear ended - check and change yours today2004 Buick Century Custom 3.1L V6
Did you know that the sun wears out wiper blades faster than rain? Replace your blades twice a year2004 Buick Century Custom 3.1L V6
Avoid tickets and accidents with both working headlights! New bulbs are much brighter too2004 Buick Century Custom 3.1L V6