volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Removing and installing throttle lever or return spring > < Checking injector nozzle valve tip for damage, injection pressure and for leakage.
Diesel Injection and Glow Plug System
Servicing injection pump
Servicing injection pump
 
N23-0002

The following sealing operations can be performed on the injection pump:

  • ◆ Observe rules for cleanliness
  • ◆ Removing and installing throttle lever or return spring
  • ◆ Renewing throttle lever bush -36-, throttle lever O ring -34- and seal -32- between pump cover and pump body => Page 23-63
  • ◆ Renewing O ring -11- for fuel delivery adjustment screw => Page 23-67
  • ◆ Renewing O ring -3- for idling speed boost shaft
    => Page 23-68
 
N23-0002
  • ◆ Renewing O ring -28- for timing control cover => Page 23-69
  • ◆ Renewing O ring -20/22- for CSA lever/cover => Page 23-69
  • 10 Nm
  • Injection pump cover
  • O-Ring
  • Thrust ring
  • Idling speed lever
  • 10 Nm
  • Circlip
    • ◆ Lever off with screwdriver
 
N23-0002
  • Spring
  • Upper spring plate
  • Lower spring plate
  • O-Ring
  • Washer
  • Fuel delivery adjustment screw
    • ◆ Mark installation position
  • Idling speed adjustment rod
  • Spring washer
  • Washer
  • CSA lever
    • ◆ Mark installation position
 
N23-0002
  • Retainer for CSA lever
  • Thrust ring
  • O-Ring
  • CSA cover
  • O-Ring
  • Fuel shut off valve, 40 Nm
    • ◆ Must click when ignition switched on and off
  • O-Ring
    • ◆ Renew
  • Valve with spring
    • ◆ Renew together with fuel shut off valve
 
N23-0002
  • Pipe connection with pressure valve
    • ◆ Removing, installing and sealing => Page 23-70
  • Shims
    • ◆ Do not change assembly sequence
  • O-Ring
  • Spring for timing control
  • Cover for timing control
  • Throttle lever shaft
    • ◆ Press out with screwdriver handle
  • Gasket
    • ◆ Renewing => Page 23-63 without renewing bush
 
N23-0002
  • Thrust washer
  • O-Ring
    • ◆ Renew
  • Idling speed spring
    • ◆ Unhook when removing pump cover
    • ◆ Do not over tension
  • Bush
  • Idling speed boost shaft
  • Thrust washer

Removing and installing throttle lever or return spring > < Checking injector nozzle valve tip for damage, injection pressure and for leakage.