nissan Workshop Repair Guides

Nissan and Datsun Workshop Service and Repair Manuals

Fuel Check Valve <--> [Evaporative Check Valve]|Locations|Page 3138 > < Fuel Check Valve <--> [Evaporative Check Valve]|Locations
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Fuel Check Valve: Description and Operation

Fuel Check Valve

PURPOSE

To keep liquid fuel from contaminating the Activated Carbon Canister.

OPERATION

Acting as a one-way valve, the Fuel Check Valve is designed to allow fuel vapors to enter the Activated Carbon Canister but block liquid fuel from
entering. A Rollover Valve is incorporated into the Fuel Check Valve. It insures that continuity of air passage does NOT exist when the rollover
valve is tilted more than 90°. 

Fuel Check Valve <--> [Evaporative Check Valve]|Locations|Page 3138 > < Fuel Check Valve <--> [Evaporative Check Valve]|Locations