How to Replace the All Injectors Opel Combo C

Important: Cleanliness is absolutely essential when working on the fuel system because even small dirt particles can lead to disruption to engine operation or the fuel system. Open fuel systems must be sealed with appropriate sealing plugs from the kit (45 06 154). Sealing plugs are only designed to be used once.

Note. Injectors can also be replaced individually. When replacing the injectors any desired injector can be installed as a replacement (by analogy with mass-production at the engine plant. The IMA-code on the injector must then be programmed in via TECH2.

Remove

1. 1. Open bonnet
2. 2. Waiting time for pressure relief
3. 3. Remove charge air pipe (1) • Release 2x clamp • Unscrew 2x bolt (arrows) • Unclip wiring harness • Detach hose

4. 4. Detach outer oil leak line • Detach 4 retaining clamps (arrows)

5. 5. Detach 4 high-pressure lines • Loosen 8 union nuts
6. 6. Disconnect 4 injector wiring harness plugs • Release wiring harness plug
7. 7. Loosen 2 injector brackets (2) • Unscrew 2 nuts (1)
8. 8. Remove 4 injectors (3)

Note. The injectors can only be removed in pairs (cylinder 1+2 and cylinder 3+4)

9. 9. Cleaning work
10. 10. Replace 4x seal ring • In camshaft housing (arrows)

Install

11. 11. Install 4 injectors • Replace 4 injector seal rings (1)

12. 12. Fasten 2 injector brackets • Tighten 2 nuts 20 Nm
13. 13. Attach outer oil leak line • Attach 4 retaining clamps
14. 14. Connect 4 injector wiring harness plugs • Lock wiring harness plug
15. 15. Attach 4 high-pressure lines • Tighten 4 union nuts (M14) 28 Nm • Tighten 4 union nuts (M12) 24 Nm
16. 16. Install charge air pipe • Tighten 2 bolts • Attach 2 clamps 3.5 Nm • Attach wiring harness • Attach hose

Important. Wear protective glasses and gloves

17. 17. Check the fuel system for leaks • Start engine.

Note. Check the fuel system for escaping fuel

18. 18. Close bonnet