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2006 Hummer H3 Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2006 Hummer H3

2006 Hummer H3 Problems

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.

A Loose or worn gas cap may cause Check Engine Light to illuminate.

The fuel level sensor in the fuel tank may fail causing erratic fuel gauge operation. Our technicians tell us that on high mileage vehicles you may wish to replace the complete fuel pump module assembly if this condition occurs.

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2006 Hummer H3 Questions

My H3 Hummer 2006 can starts but when I put it drive it doesn't move forward. When I put it in drive 2 then it moves forward. Also I can put it in reverse and it reverses. Is this are transmission problem or something else?

Steering locks when turn left or right. Car is running funny. Fan went out week before and leaks water on floor In back.

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2006 Hummer H3 Recalls

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.

CERTAIN VEHICLES ORIGINALLY BUILT WITH CLOTH SEATS THAT WERE EQUIPPED WITH AN AUTOMATIC AIR BAG PASSENGER SENSING SYSTEM AND LATER REUPHOLSTERED WITH AFTERMARKET LEATHER SEAT COVER KITS ARE INVOLVED. TESTING HAS INDICATED THAT THE AFTERMARKET LEATHER SEAT COVERS CAN CAUSE THE PASSENGER SENSING S...

The tire and loading information label on the driver's side door frame may be inaccurate. A misprinted label could lead to overloading of the vehicle, which could possibly lead to tire failure and a crash. Owners will be provided with corrected labels and installation instructions. At customers' request, a dealer can install the label for them. The recall began March 31, 2006. The GM recall number is 05109.

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2006 Hummer H3 Reviews

I have owned 2 hummers H3;s Love the ride , love every thing about it. turns on a dime, don't have to plow,haha but now when I turn it over it decides it won't. give it 5-10 minutes and it starts! what is up with this???? Susan

Check engine light came on sent vehicle to dealer to check out since onstar did a diagnostic check at my request. And informing me that there was a P0520 (emission sensor) and a P0442 (Oil Pressure sensing system). Dealer Quote 80413 worn shorted labor 2.5 hrs. verify customer concern diagnose found DTC P0106, P0520, p0442 set.check system circuit found DTC P0442 small evap leak set due to bad-...

I bought my 2006 H3 Adventure pakage when it hit the market. For all of its faults, i dont consider anything else. Airaid filters make a big difference in power and milage. it is a fun ride, up high, safe, go anywhere.

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