2006 Hummer H3 Repair and Maintenance

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

2006 Hummer H3
$951 to $1,510
2006 Hummer H3
$388 to $691
2006 Hummer H3
$226 to $373
2006 Hummer H3
$516 to $1,212
2006 Hummer H3
$128 to $190

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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.

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

I don't have a leak and antifreeze goes low fast

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Clutch slipping in first gear

My hummer leaks under the pedals and rains out the onstar speaker. Everytime it rains, Im left with a mess! I do have a sunroof , checking the seal on that. Can't find a number of a hummer dealer ship to replace anything. .......

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The connector module that controls the blower motor speed for the heating, ventilation and air conditioning system may overheat, causing a fire hazard. Dealers will replace part of the blower motor connector and harness free of charge to resolve the concern.

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...

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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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