volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

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Rules for cleanliness > < Injection pump with two-part sprocket

Passat (B3)

Diesel injection and glow plug system
Servicing fuel injection system
Servicing fuel filter
 
N23-0001
  • Return pipe
    • ◆ From injection pump
  • Supply pipe
    • ◆ To injection pump
  • O-Ring
    • ◆ Renew
  • Control valve
    • ◆ Installation position: arrow points towards fuel tank
    • ◆ When changing filter, remove securing clip and take control valve off complete with fuel pipes
    • ◆ Below + 15 °C:
      Passageway to filter open
    • ◆ Over + 31 °C:
      Passageway to filter closed
 
N23-0001
  • Securing clip
  • Return pipe
    • ◆ To fuel tank
  • Supply pipe
    • ◆ From fuel tank
  • Fuel filter
    • ◆ Fill with diesel before installing
    • ◆ Flow direction is marked by an arrow
    • ◆ Do not interchange connections
  • Gasket
    • ◆ Renew if damaged
  • Water drain plug
    • ◆ To bleed remove securing clip and take control valve off complete with fuel pipes attached
    • ◆ Loosen and allow approx. 100 cm3 fluid to drain

Rules for cleanliness > < Injection pump with two-part sprocket