2003 Chevrolet Trailblazer Ext problems by component
313 owner complaints filed with NHTSA for the 2003 Chevrolet Trailblazer Ext, grouped by the component owners reported. Each component links to a detailed breakdown with mileage, severity and owner reports.
| Component | Complaints | Share | Median mileage |
|---|---|---|---|
| Fuel System, Gasoline → | 80 | 26% | 69,000 mi |
| Electrical System → | 77 | 25% | 85,000 mi |
| Power Train → | 49 | 16% | 61,000 mi |
| Visibility → | 25 | 8% | 53,122 mi |
| Exterior Lighting → | 23 | 7% | 71,700 mi |
| Structure → | 20 | 6% | 44,306 mi |
| Engine and Engine Cooling → | 16 | 5% | 69,060 mi |
| Latches/locks/linkages → | 13 | 4% | 70,000 mi |
| Suspension → | 12 | 4% | 49,500 mi |
| Service Brakes, Hydraulic | 9 | 3% | — |
| Fuel/propulsion System | 7 | 2% | — |
| Vehicle Speed Control | 7 | 2% | — |
| Steering | 6 | 2% | — |
| Air Bags | 5 | 2% | — |
| Seats | 5 | 2% | — |
| Equipment | 4 | 1% | — |
| Fuel System, Other | 3 | 1% | — |
| Seat Belts | 3 | 1% | — |
| Engine | 2 | 1% | — |
| Service Brakes | 2 | 1% | — |
| Service Brakes, Air | 2 | 1% | — |
| Tires | 1 | 0% | — |
| Visibility/wiper | 1 | 0% | — |
| Wheels | 1 | 0% | — |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.