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moderate Owners of the 2008 Hummer H3 have filed 6 NHTSA complaints about the body at roughly $1,500 to repair (U.S. federal records, as of August 2026). Source: NHTSA Office of Defects Investigation. See body across all vehicles →
| Model year | body complaints |
|---|---|
| 2006 H3 | 23 |
| 2007 H3 | 17 |
| 2008 H3 (this page) | 6 |
| 2009 H3 | 6 |
Of the 6 body complaints filed for the 2008 Hummer H3, here's the actual mileage breakdown — failures cluster heaviest at 25,000-50,000 mi.
Each bar shows the share of total complaints filed at that mileage range. Peak failure window highlighted. Some owners report problems earlier; some make it well past 150,000 miles symptom-free. Maintenance habits and driving conditions shift the curve as much as mileage alone.
Of the 4 model years of Hummer H3 we track for body problems, this one has the fewest owner complaints on file (6).
No new NHTSA body complaint has been filed on this vehicle in over 15 years — the issue may be aging out of the active population.
If the vehicle is being driving when this occurs, it could strike a following vehicle and cause injury and/or property damage.
The manufacturer has issued service bulletins covering body on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
This Preliminary Information communication provides information to the technician about vehicles that have an unusual noise and is difficult to identify, isolate or pinpoint. Technician should get record a sound clip or take a video of the noise for assessment by engineering. Technician will need to call General Motors Technical Assistance Center for further assistance.
full bulletin at NHTSA ↗This Preliminary Information communication provides information to the technician about vehicles that have an unusual noise and is difficult to identify, isolate or pinpoint. Technician should get record a sound clip or take a video of the noise for assessment by engineering. Technician will need to call General Motors Technical Assistance Center for further assistance.
full bulletin at NHTSA ↗This warranty bulletin provides labor operation numbers for customer concerns that cant be duplicated.
full bulletin at NHTSA ↗This Informational bulletin describes warranty part reviews where door glass had chips or scratches.
full bulletin at NHTSA ↗THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THE STEPS ON DIAGNOSING THE CONCERN. VEHICLE'S SUNROOF OPERATION INTERMITTENT, BIND, NOISE, AUTO-REVERSE, AND/OR WATER LEAKS.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
Nothing lead to the failure. Second occurrence in 11 month period of time. First occurrence 12/3/2009 and now another repair needed 11/4/2010. Sunroof channels clogging and leaking water into vehicle. Hazard when driving in rain when water pour through the vehicle dousing and distracting the driver which could result in a possible jerk of the wheel or wreck. Front windshield also begins to fog to…
It's a documented issue but not catastrophic. 6 complaints have been filed. Repairs average $1,500 and most owners catch it before it causes a breakdown.
Based on the 6 complaints filed, body issues most often appear around 78,595 miles. Some report problems earlier; some make it well past 150,000 with no symptoms. Maintenance habits matter — vehicles that received timely fluid services and were not regularly overworked tend to last longer.
Independent shops typically charge around $1,500 for body repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Yes — 1 active recall(s) cover body issues on this vehicle. Recall fixes are always free regardless of mileage or warranty status. Use the VIN decoder at the top of the page to check if your specific vehicle is affected.