Fuel Tank: Locations

Fuel Tank with Attachments and Fuel Filter Assembly Overview (BPS)







1 - Cap
2 - Seal
- Replace if damaged
3 - Bolt
4 - Tank flap unit
- With rubber gasket
5 - 10 Nm
6 - Vent line
- Ensure seated tightly
7 - Switch-over valve
- To remove valve unclip sideways out of support
8 - O-ring
- Replace if damaged
9 - To EVAP canister
10 - From EVAP canister
11 - Wiring router
- In long member
12 - Vent line
- Ensure seated tightly
- Secure with spring-type clips
13 - 10 Nm
14 - Protective plate
15 - Fuel tank
- Support using Engine/transmission jack V.A.G 1383 A when removing
16 - Heat shield
- For fuel tank
17 - Lock washer
18 - Cover for fuel tank
19 - 20 Nm plus an additional 1/4 turn (90 degrees)
- Replace
20 - Securing strap
- Observe varying lengths
- Installed location: Locating point (hole) points in driving direction
21 - Fuel filter
- Installed location: Arrow points in direction of flow
- Fuel filter with attachments
- Fuel supply system must be bled after replacing fuel filter.
22 - Supply line
- Black
- Ensure seated tightly
- To disconnect from fuel filter, press in securing ring on connecting piece.
- To fuel rail
23 - Vent line
- White
- Clipped in at top of fuel tank
- Ensure seated tightly
- To Evaporative Emission (EVAP) Canister Purge Regulator Valve N80
24 - Seal
- Replace
- To install, place into opening of fuel tank dry
- Only coat inner part with fuel when installing fuel delivery unit.
25 - Fuel delivery unit
- Note installation position on fuel tank.
- Check fuel pump.
- Clean strainer if soiled
26 - Locking ring, 110 Nm
- Ensure seated tightly
- Use wrench T10202 for removal and installation
27 - Supply line
- Black
- To fuel filter
- Ensure seated tightly
- To disconnect from flange and fuel filter, press in securing ring on connecting piece.
- Clipped to side of fuel tank
28 - Return line
- Blue
- To fuel filter
- Ensure seated tightly
- To disconnect from flange and fuel filter, press in securing ring on connecting piece.
- Clipped to side of fuel tank
29 - Gravity valve
- To remove valve unclip upward out of support
- Checking valve for throughput:
- Valve vertical: Open
- Valve angled at 45 degrees : Closed
30 - Pressure retention valve
- For fuel tank ventilation
31 - Ground (GND) connection
- Ensure seated tightly







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.