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Volkswagen Workshop Service and Repair Manuals

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Rollover Valve, Fuel Tank|Description and Operation|Page 4112 > < Main Relay (Computer/Fuel System)|Locations

Golf GLS L4-1.8L Turbo (AWW) (2001)

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Rollover Valve: Description and Operation

Crash Fuel Shut-Off

Function

Vehicles with an airbag are installed 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 diagram and V.A.G 1466 A:

Rollover Valve, Fuel Tank|Description and Operation|Page 4112 > < Main Relay (Computer/Fuel System)|Locations