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The engine air filter in your 2003 Hummer H2 cleans the air that enters your engine. You should change the filter on your H2 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 H2 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 H2 and how to change it!
In addition to improving the fuel economy of your H2, 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 H2, you can easily swap it for a new one if it is dirty).
Low coolant levels is all to common - top yours up today2003 Hummer H2 6.0L V8
Your coolant should perform well under any condition - just like Aaron Rodgers!2003 Hummer H2 6.0L V8
On many cars, the high beam bulb runs at reduced power during the day - check 'em and change 'em!2003 Hummer H2 6.0L V8
If you have an electrical component that doesn't work, try replacing the fuse first2003 Hummer H2 6.0L V8
Coolant hoses wear out over time and need to be replaced - check 'em early and often2003 Hummer H2 6.0L V8