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Contents Wiring diagrams Section: DOHC Diesel Engine All sections

Replace Metering Unit Opel Meriva A

DOHC Diesel Engine 9 illustrations ~501 words

Remove

  1. 1. Disconnect battery
  2. 2. Remove air intake hose with mass air flow meter • Detach 2x clamps (1, 2) • Disconnect mass air flow sensor wiring harness plug (3)
  1. 3. Detach engine timing (1) wiring harness from bracket (2) • Detach 5x cable ties
  1. 4. Remove upper wiring harness (2) • Unscrew 2 nuts (1)
  1. 5. Raise vehicle
  2. 6. Remove solenoid valve (2) • Detach 2x vacuum lines (1) • Disconnect wiring harness connector (3) • Unscrew 2x bolt (4)

Note. Mark vacuum lines in order to prevent confusion during fitting.

  1. 7. Detach engine timing wiring harness from bracket • Detach 3x cable ties
  2. 8. Remove lower wiring harness (2) • Detach wiring harness plug from rail pressure (1) sensor • Remove ambient pressure sensor – Disconnect wiring harness connector. – Unclip ambient pressure sensor • Unscrew 2x nut (3)
  1. 9. Disconnect metering unit wiring harness plug
  2. 10. Remove high pressure line (1) • Undo 2x union nuts (2) • Remove holder – Unscrew bolt
  1. 11. Remove metering unit (1) • Unscrew lower bolt from metering unit (3) • Lower vehicle • Unscrew upper bolt from metering unit (2) •

Important. Take care to ensure that no foreign bodies enter the pump feed.

  1. 12. Replace metering unit seal ring • Coat new seal ring with new engine oil • Ensure it is seated correctly •

Important. Take care to ensure that no foreign bodies enter the pump feed.

  1. 13. Check 2x fuel feed holes (arrow) for contamination

Install

  1. 14. Install metering unit • Apply new engine oil to metering unit O-ring (1) • Tighten upper bolt for metering unit 10 Nm • Raise vehicle • Tighten lower bolt for metering unit 10 Nm
  1. 15. Install high pressure line • Tighten 2x union nuts • Connect holder – Tighten bolt – Diameter 6.00 mm - tightening torque 30 Nm – Diameter 6.36 mm - tightening torque 25 Nm

Note. Before installing the high pressure line, the diameter of the high pressure line must be measured. This diameter is used to select the appropriate torque:

  1. 16. Connect wiring harness plug of rail pressure sensor
  2. 17. Install lower wiring harness bracket • Tighten 2 nuts
  3. 18. Install ambient pressure sensor • Connect wiring harness plug
  4. 19. Connect metering unit wiring harness plug
  5. 20. Attach 3x cable ties • Connect wiring harness to lower bracket using 3x cable ties
  6. 21. Install solenoid valve • Tighten 2 bolts • Attach 2x vacuum lines to valve

Note. Note arrangement of vacuum line

  1. 22. Lower vehicle
  2. 23. Install upper wiring harness • Tighten 2 nuts
  3. 24. Attach wiring harness to bracket
  4. 25. Install air intake hose. • Attach 2x clamps • Connect wiring harness plug of mass air flow meter
  5. 26. Connect battery

Important. Wear protective goggles

  1. 27. Carry out leak test on high pressure system • Carry out actuator test (fuel leak) • Visual inspection of high pressure system for fuel leak

Note. Engine must be at operating temperature

  1. 28. Program volatile memory

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