Removing and installing fuel tank with its attachments and fuel filter, front wheel drive — VW

Note:

After all repairs to the fuel supply unit or the fuel gauge sender unit have been carried out, ensure the the supply or return flow hoses do not make contact with the fuel tank (pump noises may be transferred).

Cap
Seal
If damaged only replace together with cap

Retaining ring
Rubber cup

Gravity valve
To remove valve unclip upwards out of filler neck
Check valve for through-flow
valve vertical: open,
valve tilted 45 °: closed

O-ring
Renew if damaged

Vent valve
Cannot be removed, replace together with filler neck => item
17
Checking =>Page
20-14
, Fig.
2

Pressure retaining valve
For fuel tank venting
Checking => Page
20-15
, Fig.
3

Return pipe
Secure with spring-type clips
Check securely seated
Blue
From fuel manifold

=> Repair group 24; Motronic injection and ignition system; Servicing injection part
6-cyl. fuel injection engine, Mechanics
Motronic injection and ignition system
Servicing injection part

Union nut
Remove and install with 3217

Connector
Black, 4 pin
For fuel gauge sender (G) and fuel pump (G6)

Flange
Note fitting position on fuel tank => Page
20-14
, Fig.
1
Underside marked with "V" and "R" for supply and return hoses

Supply hose
Sealing ring
Coat with fuel when installing
Renew if damaged

Return hose
10 Nm
Filler neck
With expansion tank and vent valve

Vent pipe
To junction piece between activated charcoal filter and solenoid valve 1
=>Page
20-33
, item
1

Sealing ring
Renew if damaged

Retaining ring
Non-return valve
Check for freedom of movement

Vent pipe
25 Nm
Fuel tank
Support with engine and gearbox jack V.A.G 1383 A when removing

Securing strap
Note differing length

20 Nm
Bracket
For fuel filter

Supply pipe
Secure with spring-type clips
Check securely seated
Black
To fuel manifold

=> Repair group 24; Motronic injection and ignition system; Servicing injection part
6-cyl. fuel injection engine, Mechanics
Motronic injection and ignition system
Servicing injection part

Fuel filter
Installation position: Arrow points in through-flow direction

Fuel gauge sender (G)
Fuel delivery unit
Removing and installing
=> Page
20-22
Checking fuel pump
=> Page
20-24

Strainer