Fuel Tank and Attachments Overview

Fuel Tank and Attachments Overview






1 Bolt

2 Ground Connection

• Ensure the connection is seated tightly.

3 Vacuum Line

• To the Leak Detection Pump (LDP) (V144).

4 Bolt

• 10 Nm

5 Rivet

6 Protective Plate

• Riveted to the lower clamp at the factory.

• When replacing the fuel tank, lay the protective plate on the filler tube and rivet to the clamp.

7 Wire Bracket

• Clipped onto the protective plate.

8 Bolt

• 25 Nm

• Always replace

• To mount the fuel tank straps, only bolts with loose washers may be used. If other bolts are used, the straps could twist when the bolts are tightened.

9 Fuel Tank

• Support using the engine/transmission jack (V.A.G 1383 A) when removing.

• Removing and installing, refer to => [ Fuel Tank ] Fuel System Components.

10 Lock Washer

11 Exhaust System Bracket

12 Securing Strap

• Note the installed position.

13 Heat Shield

14 Supply Line

• To the fuel rail.

• Ensure the line is seated tightly.

15 Fuel Filter

• Installed location, refer to => [ Fuel Filter, Installed Position ].

• Arrow points in the direction of flow.

16 Vacuum Line

• From the Leak Detection Pump (LDP) to the intake manifold.

• Clipped to the fuel tank.

• Ensure the line is seated tightly.

17 Vent Line

• From the Evaporative Emission (EVAP) canister to the EVAP canister purge regulator valve 1 (N80).

• Clipped to the side of the fuel tank.

• Ensure the line is seated tightly.

18 Seal

• Always replace

• To install, place into the tank opening dry.

• Lubricate with fuel only when installing the flange.

19 Fuel Delivery Unit

• Removing and installing, refer to => [ Fuel Delivery Unit ] Fuel System Components.

• If the fuel delivery unit was replaced, adapt the Engine Control Module (ECM) to the fuel pump. Refer to "Guided Functions" in the vehicle diagnostic tester.

• Fuel pump, checking. Refer to => [ Fuel Pump, Checking ] Fuel Pump, Checking.

• Note the installed position on the fuel tank. Refer to => [ Fuel Delivery Unit Flange, Installed
Position ].

• With the fuel level sensor (G).

• Fuel level sensor removing and installing. Refer to => [ ] Fuel System Components.

• Clean the strainer if contaminated.

20 Lock Ring

• 110 Nm

• Ensure the ring is seated tightly.

• Use wrench (T10202) for removal and installation.

21 Return Line

• Blue

• Clipped to the side of the fuel tank.

• Ensure the line is seated tightly.

22 Cap

• Replace if damaged.

23 Fuel Filler Door Unit

• With a rubber gasket.

24 to the Evaporative Emission (EVAP) Canister

25 Supply Line

• Black

• Clipped to the side of the fuel tank.

• Ensure the line is seated tightly.

Fuel Delivery Unit Flange, Installed Position





• The tab - 2 - on the locking flange must lie between tabs - 1 and 3 - on the fuel tank.

• - Arrow - points in the direction of travel.

Fuel Filter, Installed Position





The pin - 2 - on the filter housing must engage in the recess in the bracket - 1 -.