lincoln Workshop Repair Guides

Lincoln Workshop Service and Repair Manuals

Auxiliary Fuel Bowl Vent Tube|Page 2844 > < Auxiliary Fuel Bowl Vent Tube|Page 2842
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Bowl Vent Valve: Description and Operation
Vacuum Bowl Vent Valve

Fig. 51 Vacuum bowl vent valve

This valve, Fig. 51, used on some vehicles, is a vacuum operated on/off valve. This valve controls vapor flow from the carburetor bowl to the 
carbon canister. When the engine is running, manifold vacuum closes the flow path from the carburetor bowl to the carbon canister. 

Auxiliary Fuel Bowl Vent Tube|Page 2844 > < Auxiliary Fuel Bowl Vent Tube|Page 2842