saab Workshop Repair Guides

Saab Workshop Service and Repair Manuals

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Non-Return Valve <--> [Evaporative Shut Valve]|Service and Repair > < Solenoid Valve, EVAP Shut-Off (588)

9-3 Viggen Coupe (9400) L4-2.3L Turbo (B235) HO (1999)

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Non-Return Valve: Description and Operation
Non-Return Valve, Fuel Tank

Non-return Valve, Fuel Tank

The non-return valve is normally closed and permits flow only towards the tank.

In this way, the valve prevents "back-spit" when the filler nozzle closes.

Non-Return Valve <--> [Evaporative Shut Valve]|Service and Repair > < Solenoid Valve, EVAP Shut-Off (588)