audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Sensors and Switches - Fuel Delivery and Air Induction > < Rollover Valve, Fuel Tank|Description and Operation
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Rollover Valve: Testing and Inspection

1.

Remove valve, hold in the normal vertical position and blow through the vapor hose connection.

^

Should have flow through valve.

2.

Tip valve up at 45° or more and blow through valve.

^

Should not have flow.

3.

Replace if necessary.

Sensors and Switches - Fuel Delivery and Air Induction > < Rollover Valve, Fuel Tank|Description and Operation