volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Fuel Tank and Attachments / Fuel Filter, Removing and Installing|Page 1224 > < Fuel Tank and Attachments / Fuel Filter, Removing and Installing
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Observe installed position

20. Supply line

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Black

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Check if seated securely

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To pull off of fuel filter press locking ring inward on connecting piece

21. Breather pipe
22. Seal

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Replace if damaged

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When installing, insert seal dry into fuel tank opening

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Moisten with fuel only when installing fuel delivery unit flange.

23. Fuel delivery unit

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Observe installed position of flange on fuel tank; Refer to Fig 1.

24. Union nut, 75 Nm 

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Remove and install with key 3217

25. Supply line
26. Return line
27. Gravity valve
28. Pressure retention valve

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For fuel tank breather

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Checking; Refer to Fig 3.

29. Ground connection

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Check if seated securely

Fig. 1 Installed position of flange of fuel delivery unit 

Marking on sender must align with the marking on fuel tank (arrows).
Blue or blue marked return line -1- to connection with identification -R-.
Black supply line -2- to connection with identification -V-.

Note:  After installing fuel delivery unit flange, check that the supply, return and breather pipes are still clipped onto the fuel tank.

Fig. 2 Checking change-over valve 

Lever in rest position: Closed
Lever pushed in direction of arrow: Open

Note:  Before installing vent valve remove cap from fuel tank.

Fuel Tank and Attachments / Fuel Filter, Removing and Installing|Page 1224 > < Fuel Tank and Attachments / Fuel Filter, Removing and Installing