Fuel Tank With Attachments, Overview
Fuel Tank With Attachments And Fuel Filter, Removing And Installing
1 Cap
2 Seal
- Replace if damaged
3 Mounting screw
4 Tank lid unit
- with rubber cap
5 Vent line
- Black
- Check for secure fitting
- clipped in at top of fuel tank
6 Ground (GND) connection
- Check for secure fitting
7 Vent line
- white
- Check for secure fitting
- To disengage, squeeze together at front
Vehicles with engine code AFP:
- to EVAP canister, item no. 3
Vehicles with engine code BDF:
- from connecting piece, item 1
8 Gravity valve
- To remove, unclip valve upward from connection
- Checking valve for throughput Valve vertical: open,Valve tilted 45 : closed
9 Seal
- Replace if damaged
10 Change-over valve
- to remove, unclip valve sideways from connection
- before installing, unscrew cap, item 1
- Checking Fig. 2
11 Vent line
- Black
- Check for secure fitting
Vehicles with engine code AFP:
- to EVAP canister, item no. 2
Vehicles with engine code BDF:
- from connecting piece, item 3
12 Pressure retention valve
- Checking Fig. 3
13 Vent line
- Black
- Check for secure fitting
14 Fuel tank
15 Clamping washer
16 Heat shield
- for fuel tank
17 25 Nm
18 Tightening nut, 2 Nm
19 Cover for fuel tank
20 Tension strap
- Note varying lengths
- Installation position: Locating point (hole) faces direction of travel
21 Supply line
- Black
- Check for secure fitting
- to remove from fuel filter, press release buttons on connecting piece
Vehicles with engine code AFP:
- to fuel supply line at fuel distributor, Item 6
Vehicles with engine code BDF:
- to fuel supply line at fuel distributor, Item 6
22 Fuel filter
- Installation position: Arrow points in direction of flow
23 Screw clamp
- Note installed position see Fig. 4
24 Vent line
- white
- Check for secure fitting
- Clipped in sideways at fuel tank
Vehicles with engine code AFP:
- to Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80-, item 8
Vehicles with engine code BDF:
- to Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80-, item 8
25 Seal
- Replace if damaged
- to install, place into opening of fuel tank when dry
- only coat with fuel when installing Fuel Pump (FP) flange
26 Fuel pump
- Note installation position of flange at fuel tank see Fig. 1
- Check fuel pump
- Clean strainer if dirty
27 Union nut, 75 Nm
28 Supply line
- Black
- Check for secure fitting
- Clipped in sideways at fuel tank
- to remove from flange and fuel filter, press release buttons on connecting piece
29 Return line
- blue or with blue marking
- Clipped in sideways at fuel tank
- Check for secure fitting
- to remove from flange, press release buttons on connecting piece
Vehicles with engine code AFP:
- from fuel return line at fuel distributor, Item 6
Vehicles with engine code BDF:
- from fuel return line at fuel distributor, Item 6
30 Connector
- Black, 4-pin
- for Sender for fuel gauge -G-and Fuel Pump (FP)-G6-
31 10 Nm
Fig. 1 Installation position of fuel pump flange
- Marking on sensor must align with marking on fuel tank (arrows).
- Blue or blue marked return line -1- at connection marked -R-.
- Black supply line -2- at connection marked -V-.
NOTE: After installing fuel pump flange, check whether supply, return and vent lines are still clipped in at fuel tank.
Fig. 2 Checking change-over valve
- Lever in rest position: closed
- Lever pressed in direction of arrow: open
NOTE: Before installing bleeder valve, unscrew cover from fuel tank.
Fig. 3 Checking pressure retaining valve
- Check direction of flow of valve:
A) Connections 1 - 1:
- Flow in both directions
- Connection -2- is closed
B) Connections 1 - 2:
- Flow in both directions
- Connection -3- is closed
C) Connections 1 - 2:
- Flow in one direction
- Connection -3- is closed
- in case of vacuum at connection -1-, valve must close
Fig. 4 Installation position of fuel filter screw-type clamps
NOTE: Fuel filter is shown in illustration from the front.
- Install screw-type clamps (arrow) as shown in illustration.
Make sure there is enough distance between clamp lock and fuel tank. Dimension "a" must be at least 5 mm.