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The engine air filter in your 2009 Hummer H3 cleans the air that enters your engine. You should change the filter on your H3 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 H3 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 H3 and how to change it!
In addition to improving the fuel economy of your H3, 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 H3, you can easily swap it for a new one if it is dirty).
Leaking coolant is usually a sign that your water pump needs to be replaced. This video shows you how to quickly plug it2009 Hummer H3 3.7L 5 Cyl.
Cars burn, leak and otherwise dispense of their oil. Check your level frequently and top up when necessary2009 Hummer H3 3.7L 5 Cyl.
Learning how to jump your car before you need to is an excellent idea2009 Hummer H3 3.7L 5 Cyl.
Animals love the sweet smell of antifreeze, too bad it's toxic! Fix your minor leaks2009 Hummer H3 3.7L 5 Cyl.
Avoid tickets and accidents with both working headlights! New bulbs are much brighter too2008 Hummer H3 3.7L 5 Cyl.
A check engine light can be cleared with a simple fix or it could be a major problem - find out now!2009 Hummer H3 3.7L 5 Cyl.