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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).
Learn where your air filter is located and how to determine if it needs to be changed.2004 Buick Century Custom 3.1L V6
Dirty cabin air filter cause undue wear on your car's heater and AC and can cause bad odors2004 Buick Century Custom 3.1L V6
Do you ever get into your friend's car and notice a bad smell? A dirty cabin air filter could be the culprit2004 Buick Century Custom 3.1L V6
Minor transmission fluid leaks can often be fixed with the right sealant - see how to do this2004 Buick Century Custom 3.1L V6
Unlike a waist belt, these usually become looser as they age! Learn how to check it here2004 Buick Century Custom 3.1L V6
Sure you can take it in for a $19 lube, but are you OK with a stripped oil pan and cheap parts in return?2004 Buick Century Custom 3.1L V6