Dual fuel tank transfer and filler overflow
FUEL SYSTEM, GASOLINE
9 NHTSA complaints · 2003-03 → 2021-06
“WHEN THE TRUCK IS RUNNING ON THE REAR TANK, AND THE FRONT TANK IS FULL, THE REAR TANK PUMPS FUEL INTO THE ALREADY FULL FRONT TANK, CAUSING IT TO OVERFLOW OUT OF THE FUEL CAP AND SPILL DOWN THE SIDE OF THE TRUCK ONTO TO THE GROUND”
“A MALFUNCTIONING CHECK VALVE WITHIN THE FUEL PUMP ASSEMBLY CAUSES A PORTION OF THE UNUSED FUEL FROM ONE TANK TO BE RETURNED TO THE SECOND TANK”
“FUEL FROM THE FRONT TANK IS DIVERTED INTO THE REAR TANK. THIS CAUSES THE REAR TANK TO OVERFLOW GASOLINE OUT OF THE GAS CAP”