1999 GMC Sierra 3500 problems by component
19 owner complaints filed with NHTSA for the 1999 GMC Sierra 3500, grouped by the component owners reported. Each component links to a detailed breakdown with mileage, severity and owner reports.
| Component | Complaints | Share | Median mileage |
|---|---|---|---|
| Service Brakes, Hydraulic | 7 | 37% | — |
| Structure | 3 | 16% | — |
| Tires | 3 | 16% | — |
| Engine and Engine Cooling | 2 | 11% | — |
| Seats | 2 | 11% | — |
| Service Brakes | 2 | 11% | — |
| Air Bags | 1 | 5% | — |
| Electrical System | 1 | 5% | — |
| Fuel System, Gasoline | 1 | 5% | — |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.