2001 Volvo S40 problems by component
84 owner complaints filed with NHTSA for the 2001 Volvo S40, 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 → | 25 | 30% | 57,000 mi |
| Engine and Engine Cooling → | 12 | 14% | 53,000 mi |
| Electrical System → | 10 | 12% | — |
| Vehicle Speed Control | 9 | 11% | — |
| Air Bags | 7 | 8% | — |
| Engine | 5 | 6% | — |
| Structure | 5 | 6% | — |
| Visibility | 5 | 6% | — |
| Exterior Lighting | 4 | 5% | — |
| Power Train | 4 | 5% | — |
| Equipment | 3 | 4% | — |
| Fuel/propulsion System | 3 | 4% | — |
| Wheels | 3 | 4% | — |
| Fuel System, Gasoline | 2 | 2% | — |
| Seat Belts | 2 | 2% | — |
| Steering | 2 | 2% | — |
| Fuel System, Other | 1 | 1% | — |
| Seats | 1 | 1% | — |
| Service Brakes | 1 | 1% | — |
| Service Brakes, Electric | 1 | 1% | — |
| Tires | 1 | 1% | — |
| Visibility/wiper | 1 | 1% | — |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.