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Checking the brake fluid in your 2003 Hummer H2 is easy and should be done once a month. On some Hummers, the owners manual suggests pumping the brake pedal 25 times before looking at the fluid level, be sure to check your owners manual to see if this applies to your 2003 H2. In addition to checking the brake fluid level, you want to look at the color of the brake fluid in your H2 - if it is dark in color or it has been more than 2 years since you have changed it, you should consider having it changed - this will help make the internal components (which are expensive) last much longer.
If you need to add fluid to your H2, it is important to check your owners manual for the correct type to add - it likely be either DOT 3, DOT 4 or DOT 5, also known as silicone brake fluid. Be sure to discard bottles of brake fluid that are over a year old - brake fluid sucks the moisture out of the air and the water vapor in the fluid can quickly rust out the brake lines in your H2.
Properly inflated tires is the easiest way to improve fuel economy. The right tire pressure is NOT on the side of your tire btw2003 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
Help keep your car as responsive as you are by maintaining proper power steering fluid levels2003 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
Animals love the sweet smell of antifreeze, too bad it's toxic! Fix your minor leaks2003 Hummer H2 6.0L V8