Fuel Tank: Locations

Fuel Tank, Attachments And Fuel Filter, Removing And Installing







1. Cap
2. Seal
- Replace if damaged
3. Securing screw
4. Tank flap unit
- With rubber cup
5. Vent pipe
- Black
- Check securely seated
- Clipped onto top of fuel tank
6. Ground connection
- Check securely seated
7. Vent pipe
- White
- Check securely seated
8. Gravity valve
- To remove valve unclip upward out of support
- Check valve for through-flow. Valve vertical: open, Valve tilted 45 degrees : closed
9. Seal
- Replace if damaged
10. Change-over valve
- To remove valve unclip sideways out of support
- Before installing remove cap item 1
- Checking, See Fig. 2
11. Vent pipe
- Black
- Check securely seated
12. Pressure retention valve
- Checking, See Fig. 3
13. Vent pipe
- Black
- Check securely seated
14. Fuel tank
- Support with engine and transmission jack V.A.G 1383 A when removing
15. Clamping washer
16. Heat shield
- For fuel tank
17. 25 Nm
18. Lock nut, 2 Nm
19. Fuel tank cover
20. Securing strap
- Note differing length
- Installation position: Fixing point (holes) point in direction of travel
21. Supply line
- Black
- Check securely seated
- To fuel supply line on fuel rail:
22. Fuel filter
- Installed position: Arrow points in through-flow direction
23. Screw-type clip
24. Vent pipe
- White
- Check securely seated
- Clipped onto side of fuel tank
25. Sealing ring
- Replace if damaged
- When installing, insert seal "dry" into fuel tank opening
- Only coat to install fuel pump with flange
26. Fuel delivery unit
- Installed position at fuel tank, See Fig. 1
- Removing and installing fuel gauge sender
- Checking fuel pump.
- Clean strainer if soiled
27. Union nut, 75 Nm
- Remove and install with spanner 3217
28. Supply line
- Black
- Check securely seated
- Clipped onto side of fuel tank
- To remove from flange and fuel filter press release button on connecting piece
29. Return line
- Blue or with blue marking
- Clipped onto side of fuel tank
- Check securely seated
- To remove from flange press release button on connecting piece
- From fuel return pipe on fuel rail
30. Connector
- Black, 4-pin
- For sender for fuel gauge -G- and Fuel Pump (FP) -G6-
31. 10 Nm

Fig. 1 Installed position of fuel delivery unit flange







- 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 change-over valve, unscrew cap from fuel tank.

Fig. 3 Checking vent valve







- Pressure retaining valve is open from EVAP canister and from Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80- in both flow directions (arrow 1).
- From gravity valve side, it is only open in one flow direction (arrow 2).