Passat L4-1.8L Turbo (AWM) (2004)
Installation position of fuel delivery unit flange
Marking on flange -1- must align with marking on fuel tank -2-.
NOTE: After installing Fuel Pump (FP) flange, check whether supply, return and ventilation lines are still clipped in at fuel tank.
Checking change-over valve
Pin in rest position: Closed
Pin pressed in direction of arrow: Open
NOTE: Before installing change-over valve, unscrew cover from fuel tank.
Checking pressure retention valve
The pressure retaining valve is opened in both flow directions - arrow 1 - on the gravity valve side. It is only opened in one flow direction - arrow 2. on
the side of the change-over valve.