A Loose or worn gas cap may cause Check Engine Light to illuminate.
Resources for the Repair and Maintenance of your 2007 Hummer H3
2007 Hummer H3
2007 Hummer H3 Problems
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The engine may develop a misfire due to worn valve seats. This fault will cause the Check Engine Light to illuminate. Replacement of the cylinder head may be required to correct this concern.
Our technicians highly recommend that the transmission is serviced every 30,000 miles to avoid problems and maintain optimal operating order.
Brake fluid can become dirty and may cause problems in the brake system; it should be flushed every 60,000 miles.
GM recommends replacing the engine coolant at 100,000 miles; however, our technicians tell us that the coolant may become contaminated and require a complete cooling system flush every 60,000 to 70,000 miles.
2007 Hummer H3 Recalls (Recent)
RepairPal Expert Overview:
The retaining clips on the non-functional hood louver could brake. The louver could become loose and/or separate from the vehicle. If this were to happen while the vehicle is in motion, personal injury or property damage could result. Dealers will apply adhesive to the underside of the hood louver to secure it. The recall is scheduled to begin on April 12, 2010. The General Motors recall number is 10088.
2007 Hummer H3 Questions and Answers
OVER HITING AFTER DRIVING 10 MILES OR SO CAN ANY BODY ANSWER THIS
my check engine light came on went to auto zone the code P0717. how do i repair this problem.
I had a Hummer H3 2007my that I have a damage gears, i want to replace the ring & pinion gears if you could supply me with the correct part number.
Have any of you had a problem with a popping noise near each front tire when turning the steering wheel or braking?
2007 Hummer H3 Reviews
Love the vehicle. Used to have an H1 as a company vehicle and fell in love with them. As a private buyer and not a business the H3 fit the bill. Not as bad on gas as I thought it would be, I am averaging about 19-20 MPG. I have taken it rock climbing and found it a very capable off road vehicle and I like the size and weight for in town and highway driving. It makes me feel safe and it still does stand out in a crowd...not many in town, so people can find by looking for the vehicle...LoL.
PS, I am actually in Sault Ste. Marie, Ontario, Canada.
PPS...works great in the snow too.
Just bought this H3. Bought it for its weight (far better than the Colorado it is built on)and the full time 4WD. For the lead foots in your household--I have two, it keeps the car on the road, the tires off the curbs, and the back end from swerving into the opposing land. Still need more clearance for off roading. BUT IS IS CALLED A TACTICAL EDITION. WHAT DOES THAT MEAN? NO TOP LIGHTS, AND BACKED OUT WHEELS IS ALL I SEE, NO CHROME. ANY HELP?