Fuel Tank With Attachments - Assembly Overview
Fuel Tank With Attachments - Assembly Overview: Engine Codes AHA, ATQ
Fuel tank
Connection of filler tube
1. Connector
- Black, 4-pin
- For Sender for fuel gauge -G- and Fuel Pump (FP) -G6-
2. Locking ring, 145 Nm
- Ensure seated tightly
- Use wrench for tank sensor 3087 to remove and install
3. Supply line
- White lettering
- 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/lettering
- 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 ring nut wrench 3218 for removal and installation
16. Connector
- Black, 2-pin
- For Fuel Supply Sensor 3 -G237.
17. Fuel supply sensor 3 -G237.
18. Oil 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 supply sensor 2 -G169-
27. Fuel tank
- Support with engine/transmission jack V.A.G 1383 A when removing
28. Return line
- Blue writing
- Ensure seated tightly
Filler tube
Connection to fuel tank
1. Cap
2. Oil seal
- Replace if damaged
3. Bolt
4. Tank flap unit
- With rubber cup
5. Gravity valve
- To remove valve unclip upward out of support
- From 08.2003 as compete part
- Test valve for through-flow
- Valve vertical: Open
- Valve angled at 45 degrees : 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 compete part
- Checking
8. Combination protection valve
- For fueling ventilation
- Note installed position:
- white valve-side to filler flange bottom
9. Pressure retention valve
- From 08.2003 as compete part
- Checking
10. Junction piece
- From 08.2003 as compete 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 installed position:
- gray valve side faces 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 compete part
- Note installed position:
- gray valve side faces in direction of vent valve
23. Ground connection
- Ensure seated tightly
24. Floater valve
- From 08.2003 as compete 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, unscrew cap from fuel tank.
Checking pressure retention valve
The pressure retention valve is opened in both flow directions - arrow 1. on the gravity valve side.
It is only opened in one flow direction - arrow 2. on the side of the bleeder valve .
Complete components
From 08.2003, the components indicated are installed as complete components.