Rollover Valve: Description and Operation
FUEL PUMP MODULEThe fuel pump module contains the fuel pump, fuel reservoir, level sensor, inlet strainer, fuel pressure regulator and rollover valve. The inlet strainer, and level sensor, are the only serviceable items. If the fuel pump, fuel pressure regulator requires service, replace the fuel pump module.
ROLLOVER VALVE
All vehicles have 1 rollover valve on top of the fuel pump module.
Rollover Valve:
The rollover valves on the fuel pump module are serviceable.
The valves prevent fuel flow through the fuel tank vent valve hoses should the vehicle rollover.