volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Servicing fuel filter > < Removing and installing parts of fuel supply system
4-cyl. Diesel engine, Mechanics
Removing and installing parts of fuel supply system
Removing and installing fuel tank with its attachments
 
N20-0335
  • Cap
  • Seal
    • ◆ Renew if damaged
  • Tank flap unit
    • ◆ Removing and installing

=> General body repairs, Exterior; Repair group 55; Tank flap unit

  • Vent pipe
  • Gravity/overflow valve
    • ◆ To remove, release locking lug and unclip valve upwards out of filler neck
    • ◆ Check valve for through-flow
      valve vertical: open,
      valve tilted 45 °: closed
 
N20-0335
  • O-ring
    • ◆ Renew if damaged
  • Earth connection
    • ◆ Check securely seated
  • 4 Nm
  • Filler pipes
    • ◆ With non-return valve
  • Sealing boot
    • ◆ After installing filler pipes fit over fuel tank connections, having turned boot inside out
  • Fuel tank
    • ◆ Support with engine/gearbox jack V.A.G 1383 A when removing
    • ◆ Removing and installing
  • Heat shield
    • ◆ Press clamping washer from heat shield tightly onto pins on vehicle floor
 
N20-0335
  • Securing strap
    • ◆ Note differing length
  • 25 Nm
  • Fuel gauge sender (G)
    • ◆ Note fitting position on fuel tank => Fig. 1
    • ◆ Sender with strainer telescopic to upper part
  • Sealing ring
    • ◆ Renew if damaged
    • ◆ Coat with fuel when installing
  • Flange
    • ◆ Note fitting position on fuel tank => Fig. 1
  • Union nut
    • ◆ Remove and install using union nut spanner 3217 or 3218
 
N20-0335
  • Return pipe
    • ◆ To fuel filter
      => Page 20-8 , item 2
    • ◆ Blue or with blue marking
    • ◆ Clipped onto fuel tank
    • ◆ Check securely seated
    • ◆ To remove from flange, press release button on connecting piece or loosen clamping collar
  • Supply pipe
    • ◆ To fuel filter
      => Page 20-8 , item 1
    • ◆ Black
    • ◆ Clipped onto fuel tank
    • ◆ Check securely seated
    • ◆ To remove from flange, press release button on connecting piece or loosen clamping collar
 
N20-0335
  • Vent valve
    • ◆ Checking =>Fig.2
    • ◆ To remove valve unclip sideways out of support
    • ◆ Before installing remove sealing cap
  • Cup
    • ◆ For filler pipes
  • Retaining ring
  • Connector
    • ◆ Black, 2-pin
 
N20-0056

→ Fig. 1     Installation position of fuel gauge sender

Marking on the flange must align with marking on the fuel tank.

Note:

After installing sender, ensure that the fuel pipes are still securely clipped onto fuel tank.

 
V20-1040

→ Fig. 2     Checking vent valve

Lever in rest position: Closed

Lever pushed in direction of arrow: Open

Note:

Before installing vent valve remove fuel tank cap.

Servicing fuel filter > < Removing and installing parts of fuel supply system