Summit Vista AWD L4-1795cc 1.8L SOHC (1992)
Rollover Valve: Description and Operation
Fuel Check Valve
PURPOSE
The fuel check valve prevents fuel leaks should the car suddenly roll over.
LOCATION
The valve is located on the top of the fuel tank.
OPERATION
Under normal conditions, the gasoline vapor passage in the valve is opened, but if roll-over occurs at least one of two balls closes the fuel passage
preventing fuel leaks.
