2007 Hummer H3 problems by component
237 owner complaints filed with NHTSA for the 2007 Hummer H3, grouped by the component owners reported. Each component links to a detailed breakdown with mileage, severity and owner reports.
| Component | Complaints | Share | Median mileage |
|---|---|---|---|
| Electrical System → | 76 | 32% | 90,000 mi |
| Engine → | 44 | 19% | 84,822 mi |
| Visibility/wiper → | 24 | 10% | — |
| Structure → | 21 | 9% | 106,000 mi |
| Visibility → | 20 | 8% | 92,620 mi |
| Air Bags → | 19 | 8% | 98,000 mi |
| Power Train → | 19 | 8% | 70,693 mi |
| Engine and Engine Cooling → | 13 | 5% | 59,614 mi |
| Electronic Stability Control (esc) → | 12 | 5% | — |
| Fuel/propulsion System → | 11 | 5% | — |
| Equipment | 7 | 3% | — |
| Service Brakes | 6 | 3% | — |
| Steering | 5 | 2% | — |
| Suspension | 5 | 2% | — |
| Seats | 4 | 2% | — |
| Service Brakes, Hydraulic | 4 | 2% | — |
| Vehicle Speed Control | 4 | 2% | — |
| Tires | 3 | 1% | — |
| Exterior Lighting | 2 | 1% | — |
| Latches/locks/linkages | 2 | 1% | — |
| Seat Belts | 2 | 1% | — |
| Equipment Adaptive/mobility | 1 | 0% | — |
| Fuel System, Gasoline | 1 | 0% | — |
| Traction Control System | 1 | 0% | — |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.