NHTSA recall 85V127000
Fuel system, gasoline › Storage › Auxillary tank
Ford F350
The defect
The polyethylene nuts which hold the fuel sender unit may fracture causing the unit to loosen and leak gasoline. consequence of defect: fuel leakage around the sender-to-tank seal or spillage during fuel fill could occur and create a potential fire hazard.
The remedy
Replace the fuel sender retainers.