9-5 Linear (9600) L4-2.3L Turbo (2.3t) (2004)
Rollover Valve: Description and Operation
Roll-Over Shut-Off Valve
The roll-over shut-off valve closes only if the car rolls over, preventing fuel leaks.
There is a line connecting the valve with the emission canister. Expansion vapours in the tank are let out through the valve and the emission canister.