One problem related to loud engine noise has been reported for the 2008 Ford F-350. The most recently reported issues are listed below.
The contact owns a 2008 Ford F-350 sd. The contact stated that while driving at various speeds, he would hear a loud noise coming from the hood. The vehicle was inspected by a dealer who advised the contact that he needed to replace the rocker arms in the engine. The dealer also advised him that if not replaced, they would puncture the motor causing that to fail as well. The vehicle was repaired. The failure and current mileages were 111.