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2006-2007 Hummer H3 Reliability
Date Published: 2/20/08
Our reliability study for this generation Hummer H3 includes details on average repair costs, manufacturer recalls, and everything you need to know to gauge the long-term reliability of this generation Hummer H3.
2006-2007 Hummer H3 Reliability
Trouble Spots
Consumer Guide's® Auto Editors have scoured repair bulletins and questioned mechanics to search for commonly occurring problems for a particular vehicle. In some cases we also give possible manufacturer-suggested solutions. In many instances these trouble spots are Technical Service Bulletins posted by the manufacturer, however, we have our own expert looking at additional vehicle problems.
Coolant leak: Coolant leaks from the reservoir when vehicle driven at increased angles such as off-road requiring replacement with revised component. (2006)
Electrical problem: The trailer wiring harness can contact the muffler and melt rendering the circuits inoperative. (2006)
None: There was a campaign to replace the jack with a more durable on for some early model year vehicles. (2006)
Tail/brake lights: The taillight housing may come loose requiring a redesigned retainer. (2006)
Water pump: There was a campaign to replace the rear window washer pump. (2006)
Consumer Guide® Estimated Repair Costs
This table lists costs of likely repairs for comparison with other vehicles. The dollar amount includes the cost of the part(s) and labor (based on $50 per hour) for the typical repair without extras or add-ons. Like the pricing information, replacement costs can vary widely depending on region. Expect charges at a new-car dealership to be slightly higher.
Item Name Repair Cost
A/C Compressor $510
Alternator $640
Automatic Transmission or Transaxle $1,950
Brakes $600
Constant Velocity Joints $1,325
Exhaust System $375
Radiator $425
Shocks and/or Struts $1,105
Timing Chain or Belt $650
NHTSA Recall History
2006 H3: Tire and loading information labels may contain inaccurate vehicle capacity weight.
2006 H3 w/aftermarket leather seats: Testing has indicated that the aftermarket leather seat covers can cause the passenger sensing system to malfunction. If the passenger sensing system malfunctions, the front air bag on the passenger side may be disabled when it should be enabled, or enabled when it should be disabled. GM will purchase these vehicles for the full price paid for it (not exceeding the fair market value at the time it was bought), including taxes and fees, if the vehicle is returned to GM's possession by January 31, 2007. Through January 31, 2007, GM will also pay for the removal of any aftermarket accessories that may have been installed and return them to the customer.
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