RAM 2500 Truck 4WD L6-359 5.9L DSL Turbo VIN D FI (1998)
Rollover Valve: Description and Operation
Fig 2 Rollover Valve Location
The fuel tank is equipped with a rollover valve. The valve is located on the top of the fuel pump module.
The valve will prevent fuel flow from the fuel tank in the event of an accidental vehicle rollover. The valve is vented to the atmosphere.
The valve may be serviced separately. If replacement is necessary, refer to Service and Repair.