Your Hummer H3’s braking system is the most important safety feature on the vehicle. If it does not work properly, it can put you in a situation where you can be injured or killed. There are quite a few different situations that can cause a caliper to stick. Hummer H3 Brakes Sticking Symptoms Smell– … Read more
Your Hummer H3‘s radiator fan has one of the most important jobs on the vehicle. It is the last line of defense between you and an overheating engine. If the radiator fan is not working, it’s a serious problem. Just because the radiator fan is not on does not mean that it is not working. … Read more
One of the most critical engine components in your Hummer H3 is the alternator. If you suspect that you have alternator problems, it’s something that should be dealt with before you end up stranded somewhere. Your H3’s battery will not be able to keep the accessories and engine systems running for long without a properly … Read more
If your Hummer H3 is stuck in Park, the odds are that you’re not stranded. We’ve made this guide to quickly help you get back on the road if your vehicle doesn’t shift into gear. Most vehicles with an automatic transmission have a linkage that connects the gear selector to the transmission. Recently, more vehicles … Read more
One of the most common issues your Hummer H3 is likely to develop is a stalling problem. The most challenging part of diagnosing a stalling problem is reproducing the conditions that led to the stall in the first place. Stalls can happen at any time, and it can be incredibly jarring when it does happen. Before … Read more
It can be very jarring when your Hummer H3 shakes when idle. If your H3 has this problem, many issues can cause it. We’ve lined out some of the most common causes below. The most common reasons a vehicle shakes when idling is a misfire or bad motor mount. Table of Contents Hummer H3 Shaking … Read more
Your Hummer H3’s service engine soon light is there to let you know that some sort of problem has been detected with the vehicle. Any vehicles made in 1996 or newer use OBDII codes, which can easily be retrieved from a good code scanner. A flashing service engine soon light is telling you that something … Read more
Your Hummer H3‘s brake light indicator is there to inform you of an issue with your vehicle’s brake system. It is a light different from the anti-lock brake system, which has its own ABS warning light. The brake light indicates a problem with the physical braking system itself. Check the Emergency Brake First If you … Read more
If you own a Hummer H3 and it’s idling rough, you may be feeling frustrated. In this article, we’ll look at some of the most common causes of a rough idle in the H3 and how to fix the problem. The most common cause of a rough idle is misfiring. What an Engine Needs to … Read more
Your Hummer H3’s ABS Light comes on when it fails a self-diagnostic cycle. When on, it indicates that your vehicle does not have Anti-Lock brakes and the safety they provide. Your H3’s ABS system uses a system of sensors to determine wheel speed when braking. If one of the wheels starts to lock up, it’ll … Read more