volkswagen Workshop Repair Guides

Volkswagen Beetle L4-20L (AEG) Workshop Service and Repair Manuals

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Rollover Valve, Fuel Tank|Description and Operation|Page 4907 > < Diagram Information and Instructions|Page 4903

Beetle L4-20L (AEG) (2000) Fuel Tank Rollover Valve - Description

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Rollover Valve: Description and Operation

Crash Fuel Shut-off

Function

Vehicles (from M.Y. 2000) with an airbag are fitted with a crash fuel shut-off system. It reduces the danger of a fire in a crash as the fuel pump is
switched off via the fuel pump relay. Simultaneously this system provides an improved start for the engine. When the door is opened the fuel pump is
activated for 2 seconds to build-up the pressure in fuel system.

When opening the fuel system:

Observe safety precautions.

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Check activation of fuel pump relay using wiring diagrams and VAG1466 A:

Rollover Valve, Fuel Tank|Description and Operation|Page 4907 > < Diagram Information and Instructions|Page 4903