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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 blinker doesn't blink, or blinks rapidly, you likely have a burnt out bulb2004 Buick Century Custom 3.1L V6
Coolant hoses wear out over time and need to be replaced - check 'em early and often2004 Buick Century Custom 3.1L V6
If you are leaking oil and parking on your oil spots each night, the oil is breaking down your tires' rubber2004 Buick Century Custom 3.1L V6
Got a short fuse? Don't blow a fuse, change it!2004 Buick Century Custom 3.1L V6
On many cars, the high beam bulb runs at reduced power during the day - check 'em and change 'em!2004 Buick Century Custom 3.1L V6
Flushing the coolant in your car is not that hard and will extend the life of your engine tremendously - learn how here!2004 Buick Century Custom 3.1L V6