1999 Pontiac Bonneville problems by component
143 owner complaints filed with NHTSA for the 1999 Pontiac Bonneville, grouped by the component owners reported. Each component links to a detailed breakdown with mileage, severity and owner reports.
| Component | Complaints | Share | Median mileage |
|---|---|---|---|
| Engine and Engine Cooling → | 59 | 41% | 64,008 mi |
| Electrical System → | 22 | 15% | — |
| Fuel System, Gasoline → | 19 | 13% | 91,129 mi |
| Service Brakes, Hydraulic | 9 | 6% | — |
| Air Bags | 8 | 6% | — |
| Power Train | 8 | 6% | — |
| Visibility | 6 | 4% | — |
| Tires | 5 | 3% | — |
| Vehicle Speed Control | 4 | 3% | — |
| Steering | 3 | 2% | — |
| Structure | 3 | 2% | — |
| Suspension | 3 | 2% | — |
| Wheels | 3 | 2% | — |
| Equipment | 2 | 1% | — |
| Fuel/propulsion System | 2 | 1% | — |
| Fuel System, Other | 2 | 1% | — |
| Seat Belts | 2 | 1% | — |
| Seats | 2 | 1% | — |
| Engine | 1 | 1% | — |
| Exterior Lighting | 1 | 1% | — |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.