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Follow the steps in this video to see how to fix minor coolant (antifreeze) leaks in your 2009 Hummer H3. Leaking coolant is one of the more common types of fluid leaks on H3s. Engine coolant (which is also called antifreeze or anti-freeze) moves through the inside of your H3's engine and keeps it from overheating. Coolant can leak from the reservoir or from the hoses, in 2009 H3s with the 3.7 liter engine, coolant leaks are most likely to occur where the hoses connect to the engine. The video above shows you where the coolant reservoir, hoses and connections on your 2009 H3 Base are located and the steps needed to fix minor leaks.
A few things to note about coolant is that it is sweet tasting and highly toxic, so it can end up in the dog's stomach pretty quickly. If you ignore a small coolant leak long enough, you will run out of coolant, which leads to an overheated engine and other serious, but highly avoidable, problems. In many 2009 H3s, an anti-freeze leak can cause the temp sensor to record high engine temperatures. Always protect yourself with safety glasses and gloves when working with the coolant on your H3.
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.
The burnt out tail light: classic reason for a cop to pull you over - change yours now2008 Hummer H3 3.7L 5 Cyl.
The best way to fix leaking hoses is to replace them, but if you don't have time, a stop leak product might work for you2009 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.
If your battery has green or white cruddy deposits, it is probably not getting enough juice from and will likely wear out sooner2009 Hummer H3 3.7L 5 Cyl.
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.