One problem related to tank mounting has been reported for the 1999 Ford F-250. The most recently reported issues are listed below.
The contact owns a 1999 Ford F-250. While driving approximately 55 mph the fuel tank detached from the vehicle. The vehicle was taken to an independent mechanic. The mechanic stated both fuel tank straps had corroded and one of the straps was fractured. After the fuel straps were replaced, the contact noticed the fuel gauge reading decreased. The vehicle began leaking approximately 15 gallons of fuel. The vehicle was taken to the dealer for diagnostic testing. The technician stated the fuel line had to be replaced. Nhtsa recall campaign number 11v385000 (fuel system, gasoline:storage:tank assembly:mounting) may be related to the failure. The technician stated the VIN was not included in the recall. The vehicle was repaired. The approximate failure mileage was 216,776.