volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Fuel Filter|Service and Repair > < Fuel Filter With Attachments, Assembly Overview|Page 3118
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Installed Position Of Fuel Delivery Unit

Tab - 2 - on fuel delivery unit must lie between tabs - 1 - and - 3 -

NOTE:

-

Arrow - points in direction of travel.

-

Fuel deliver unit can only be installed in this position.

Checking switch-over valve

Pin in rest position: Closed
Pin pressed in direction of - arrow - : Open

NOTE:  Before installing change-over valve, remove cover from fuel tank.

Checking pressure retention valve

The pressure retaining valve is opened in both flow directions - arrow 1 - on gravity valve side.
It is only open in one flow direction - arrow 2 - from T-piece of EVAP container/solenoid valve 1.

Fuel Filter|Service and Repair > < Fuel Filter With Attachments, Assembly Overview|Page 3118