Home/Opel/Vectra/Opel Vectra C (2002-2008)/Repair manual/Fuel Injection Systems/Replace Knock Sensor for Cylinders 2, 4 and 6
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Replace Knock Sensor for Cylinders 2, 4 and 6 Opel Vectra C

Fuel Injection Systems 6 illustrations ~330 words
  1. 1. Open bonnet
  2. 2. Disconnect battery.
  3. 3. Remove charge air pipe (2) • Disconnect charge pressure sensor wiring harness plug (3) • Unclip 2 power steering lines (4) • Release 2x clamp (1)
  1. 4. Remove air intake hose (1) • Remove bolt (2) • Release 2x clamp
  1. 5. Detach top charge air connection pipe (1) • Unscrew 2x bolt (2)
  1. 6. Raise vehicle by its entire height
  2. 7. Remove secondary air system pump (4) • Disconnect wiring harness plug (2) • Detach 2 secondary air hoses (1) – Undo 2 quick-release fittings • Unclip coolant hose • Separate cable tie • Unscrew 2x bolt (3)
  1. 8. Detach charge air hose (1) from intercooler and charge air connection pipe (3) • Release 2x clamp (4) • Remove bolt (2) • Remove charge air connecting pipe
  1. 9. Remove knock sensor for cylinders 2, 4 and 6 • Disconnect wiring harness plug (1) • Remove bolt (2)
  1. 10. Install knock sensor for cylinders 2, 4 and 6 • Tighten bolt 23 Nm • Connect wiring harness plug
  2. 11. Replace charge air connection pipe
  3. 12. Attach charge air connection pipe to bottom of AC compressor • Tighten bolt 8 Nm
  4. 13. Attach charge air hose to intercooler and charge air connection pipe • Tighten 2x clamp 3.5 Nm
  5. 14. Install secondary air system pump • Attach cable ties • Clip coolant hose into bracket • Fasten 2 quick-release fittings • Tighten 2x bolt 8 Nm • Connect wiring harness plug
  6. 15. Lower vehicle by its entire height
  7. 16. Attach charge air connection pipe at top • Tighten 2x bolt 8 Nm
  8. 17. Install upper air intake pipe • Tighten bolt 1.5 Nm • Tighten 2x clamp 3.5 Nm
  9. 18. Install upper charge air pipe • Tighten clamp on top of intake manifold 3.5 Nm • Tighten clamp on charge air connection pipe (8) 3.5 Nm
  10. 19. Connect battery.
  11. 20. Program volatile memories
  12. 21. Close bonnet