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This video shows you how to change the oil and oil filter in your 2008 Hummer H3. When you change your own oil, you know that you are putting quality oil in your H3 and that the filter is being changed too. Most importantly, you get a chance to look around under your H3 for potential trouble spots. This video shows you the location of your oil drain plug, oil filter, oil fill cap and dipstick in addition to the steps needed to change the oil and filter in your H3. For most Hummers, you can wrap an old belt around the oil filter and unscrew it by hand. If you can't do this, see our parts page to find a Hummer H3 oil filter wrench. If your H3 is too low to the ground to access your drain plug and oil filter, be sure to use jack stands and safe jacking procedures before getting under your H3.
Most Hummers have the oil type printed on the oil cap - it will likely be 5W-20, 5W-30, 5W-40, 10W-30 or 10W-40. If it isn't printed on the oil cap, check your owners manual for the exact type before adding new oil. We recommend wearing safety glasses whenever you are working under your H3. You never know what could be dripping down from the engine, battery acid, engine coolant, brake fluid, etc. All of these fluids are extremely harmful to your eyes and skin so it is important to protect yourself.
DRLs are on more than your headlights. They burn out faster and should be replaced regularly2008 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.
Small bulbs that burn out regularly - did you know you can replace these with LED lights?2008 Hummer H3 3.7L 5 Cyl.
Don't send mixed signals - if your turn signal doesn't blink, or blinks rapidly, you likely have a burnt out bulb2008 Hummer H3 3.7L 5 Cyl.
Unlike a waist belt, these usually become looser as they age! Learn how to check it here2008 Hummer H3 3.7L 5 Cyl.
If your blinker doesn't blink, or blinks rapidly, you likely have a burnt out bulb2008 Hummer H3 3.7L 5 Cyl.