2006-2008 Hummer H3: Reliability
Updated: 11/23/08
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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 .
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 |
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