All Wheel Drive (AWD)
Fuel Tank with Attachments, Assembly Overview - AWD
Fuel tank
Filler tube
Fuel tank
Connection filler tube
1 - Connector
- Black, 4-pin
- For Fuel Level Sensor G and Transfer Fuel Pump (FP) G6
2 - Locking ring, 145 Nm
- Ensure seated tightly
- Use wrench 3087 to remove and install
3 - Supply line
- White writing
- Ensure seated tightly
4 - Fuel Level Sensor G
5 - Fuel delivery unit
- With flange
- Check fuel pump
- Clean strainer if soiled
6 - 2 Nm
7 - Supply line
- White marking/writing
- Ensure seated tightly
8 - Fuel filter
9 - Vent line
- Check for proper seating
10 - Vent line
- Check for proper seating
11 - Vent line
- Check for proper seating
12 - Vent line
- Check for proper seating
13 - From connecting hose
- Check for proper seating
14 - Vent line
- From EVAP canister to Evaporative Emission (EVAP) Canister Purge Regulator Valve N80
- Clipped onto fuel tank
15 - Union nut, 60 Nm
- Use Wrench 3218 for removal and installation installation
16 - Connector
- Black, 2-pin
- For Fuel Supply Sensor 3 G237
17 - Fuel Level Sensor 3 G237
18 - Seal
- Replace if damaged
- To install, place into opening of fuel tank dry
- Only coat with fuel when installing sensor or flange
19 - Heat shield
- For fuel delivery connection
20 - 10 Nm
21 - 23 Nm
22 - Securing strap
- Note installation position
23 - Securing clip
- Ensure seated tightly
24 - 23 Nm
25 - Heat shield
- For fuel tank
26 - Fuel Level Sensor 2 G169
27 - Fuel tank
- Support using Engine/transmission jack V.A.G 1383 A when removing
28 - Return line
- Blue writing
- Ensure seated tightly
Filler tube
Connection fuel tank
1 - Cap
2 - Seal
- Replace if damaged
3 - Bolt
4 - Tank flap unit
- With rubber gasket
5 - Gravity valve
- To remove valve unclip upward out of support
- From 08.2003 as complete part
- Test valve for through-flow
- Valve vertical: Open
- Valve angled at 45 � : Closed
Note: When checking the complete part, press lever of bleeder valve and blow into line connection using quick acting coupling.
6 - O-ring
- Replace if damaged
7 - Breather valve
- To remove valve unclip sideways out of support
- From 08.2003 as complete part
8 - Combination protection valve
- For fueling ventilation
- Note installation position
- white valve-side to filler flange bottom
9 - Pressure retention valve
- From 08.2003 as complete part
10 - Junction piece
- From 08.2003 as complete part
11 - Connection piece
- Ensure seated tightly
- Press together at front to release
12 - 23 Nm
13 - Vent line
- Ensure seated tightly
14 - Non-return valve
- Note installation position: grey valve side faces toward sealing cap
15 - Vent line
- Ensure seated tightly
16 - Vent line
- Ensure seated tightly
17 - Vent line
- Ensure seated tightly
18 - Connecting hose
- Ensure seated tightly
19 - Vent line
- Ensure seated tightly
20 - Trim strip
21 - Fuel tank filler tube
22 - Non-return valve
- From 08.2003 as complete part
- Note installation position: gray valve side faces in direction of vent valve
23 - Ground (GND) connection
- Ensure seated tightly
24 - Floater valve
- From 08.2003 as complete part
- For fueling ventilation
25 - Protective cap
Checking breather valve
- Lever in rest position: Closed
- Lever pushed in direction of - arrow - : Open
- Before installing valve, remove cap 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 opened in one flow direction - arrow 2 - on side of bleeder valve.
Complete components
- From 08.2003, the components indicated are installed as complete components.