One problem related to loud engine noise has been reported for the 2007 Volvo S40. The most recently reported issues are listed below.
The contact owns a 2007 Volvo S40. While driving, there was an abnormal noise coming from the engine and the check engine warning light illuminated. The vehicle was taken to an independent mechanic who diagnosed that the pvc valve failed. The vehicle was not repaired. The manufacturer was notified of the failure. The failure mileage was 117,000.
| Engine Belts And Pulleys problems | |
| Engine Cooling System problems | |
| Loud Engine Noise problems |