Fuel Filter: Service and Repair
Fuel Tank With Attachments And Fuel Filter, Removing And Installing
NOTE: Make sure the supply or return lines do not come into contact with the fuel tank after all work on the fuel pump or the fuel gauge (transfer of pump noise).
1 - Union nut, 80 Nm
- Use ring nut spanner 3217 to remove and install
2 - Return line
- secure with spring type clamps
- Check for secure fitting
- blue
- from fuel distributor:
3 - Connector
- Black, 4-pin
- for sender for fuel gauge -G- and Fuel Pump (FP) -G6-
4 - Flange
- Note installation position at fuel tank
- Marking "V" and "R" on underside for supply and return line
5 - Supply hose
6 - Return hose
7 - Seal
- Coat with fuel when installing
- Replace if damaged
8 - Sender for fuel gauge -G-
9 - Fuel pump
- With sender for fuel gauge -G-
- Clean strainer if dirty
10 - Filter strainer
- Clean strainer if dirty
11 - Combination valve
- Vacuum protection valve
- for leak diagnostic test
12 - Expansion tank
- Filler ventilation
13 - Fuel tank
- When removing, support using VAG1383A engine/transmission hoist
14 - Vent line
- for filler ventilation
15 - Gravity valve
- Operating ventilation
- cannot be removed, only replace together with fuel tank
16 - Tension strap
- Note varying lengths
17 - 25 Nm
18 - to pressure retaining valve at EVAP canister
19 - Bracket
- For tension straps
20 - Rubber top
21 - Tensioning ring.
22 - Gasket
- when damaged, only replace together with sealing cap.
23 - Cap
24 - 4 Nm
25 - Gravity valve
- for filler ventilation
- cannot be removed, only replace together with fuel tank
26 - Vent line
- Operating ventilation
27 - Bracket
- for fuel filter
28 - Fuel filter
- Installation position: Arrow points in direction of flow
29 - Supply line
- secure with spring type clamps
- Check for secure fitting
- Black
30 - 6 Nm
31 - Supply hose
32 - Vent line
- Operating ventilation
33 - Check-valve
34 - 2-way valve
- cannot be removed, only replace together with fuel tank
35 - Expansion tank
- for ventilation line
- cannot be removed, only replace together with fuel tank
Fig. 1 Installation position of fuel pump flange
Marking on flange must align with marking on fuel tank.