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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).
There's no reason to check the washer fluid level without adding some - see how to do it here!2004 Buick Century Custom 3.1L V6
See how to seal up minor power steering fluid leaks2004 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
One of the easiest fluids to top off - learn how to open the hood and where the reservoir is on your car2004 Buick Century Custom 3.1L V6
Learn where your air filter is located and how to determine if it needs to be changed.2004 Buick Century Custom 3.1L V6
Is the clock in your car ahead or behind? Learn how to set it here!2004 Buick Century Custom 3.1L V6