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The engine air filter in your 2003 Hummer H2 cleans the air that enters your engine. Checking and replacing the air cleaner in your 2003 H2 at least once a year will help you get better gas mileage. A dirty air filter will cause your H2 to lose 1 - 3 mpg; depending on your driving, you can improve your fuel economy and 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 check it!
In addition to improving the fuel economy of your H2, replacing your air filter will improve the performance of 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 air filters for your 2003 H2 so you can easily replace it with a new one if it is dirty.)
Learn how to diagnose and fix minor oil leaks in your car2003 Hummer H2 6.0L V8
Your coolant should perform well under any condition - just like Aaron Rodgers!2003 Hummer H2 6.0L V8
Leaking coolant is usually a sign that your water pump needs to be replaced. This video shows you how to quickly plug it2003 Hummer H2 6.0L V8
Power steering fluid is easy to check and many people (mechanics included) often forget about - learn how here2003 Hummer H2 6.0L V8
Got a short fuse? Don't blow a fuse, change it!2003 Hummer H2 6.0L V8