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The engine in your 2009 Hummer H3 should be running when you perform a transmission fluid level check, otherwise it will be inaccurate. The video above shows where the transmission fluid dipstick is located in your H3 and how to check the transmission fluid level. If the transmission fluid level in your H3 is low, you need to add transmission fluid through the dipstick tube. When adding transmission fluid to your H3, be sure to add it slowly as it will fill up quickly and is difficult to remove excess fluid if you overfill.
If you are having problems with the transmission in your H3, such as clunky shifting or hesitation, check the fluid level first - it is amazing how many drivers pay thousands of dollars for transmission work when a half quart of transmission fluid would have fixed the problem.
Many cars will burn or leak a little bit of oil. Over time, this adds up and you might need to add some - learn how to here!2009 Hummer H3 3.7L 5 Cyl.
If your brake fluid is a little low, learn how to add some here. Ignoring a low level leads to big problems2009 Hummer H3 3.7L 5 Cyl.
A few key tips will make jacking up your car much safer2009 Hummer H3 3.7L 5 Cyl.
Burnt out brake lights increase your chance of getting rear ended - check and change yours today2008 Hummer H3 3.7L 5 Cyl.
Learn where your air filter is located and how to determine if it needs to be changed.2009 Hummer H3 3.7L 5 Cyl.
Don't be caught in the fog with burnt out fog light bulbs2008 Hummer H3 3.7L 5 Cyl.