Injection pump, servicing: Notes

2002 Volkswagen Golf GLS, 2.0 K, StandardSECTION Notes
WARNING: This page is about a different variant/trim than selected.

The following list pertains to Fig 1.

  1. Seal 
    • replace
  2. Connecting piece 25 Nm
    • For supply line
    • from fuel filter
  3. Injection pump 
  4. Fuel Cut-off Valve -N109-, 25 Nm 
  5. Connecting piece 
    • For return line
  6. Return line 
    • To regulator valve/fuel filter
  7. 25 Nm 
  8. Injection lines 
    • Tighten to 25 Nm
    • use 3035 ring spanner to remove and install
    • Always replace two -piece wiring set completely
    • Do not change bend-shape
  9. Connecting piece, 45 Nm 
    • With pressure valve
  10. 25 Nm 
  11. Fuel injector 
  12. 20 Nm 
  13. Tension bracket 
  14. Mounting bracket 
  15. Copper washer 
    • replace
  16. 10 Nm 
  17. Cold Start Injector -N108-* 
  18. Seal 
    • replace
  19. Strainer 
    • Clean strainer if dirty
  20. Timing control cover 
    • Replace seal if leaking.
  21. Socket 
    • with nut
  22. Bracket 
  23. 25 Nm 
  24. Securing bolts of injection pump sprocket 
  25. Injection pump sprocket 
  26. Mounting nuts 
  • For hub
  • Must not be loosened under any circumstances. Otherwise, basic setting of the injection pump will be altered, this cannot be reset with normal workshop equipment
Fig 1: Injection Pump Servicing Components With Torque Specifications
G03459673Courtesy of VOLKSWAGEN OF AMERICA, INC.
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.