Contents Wiring diagrams Section: DOHC Petrol Engine All sections

Replace Cylinder Head Cover Opel Astra H

DOHC Petrol Engine 5 illustrations ~249 words

Remove

  1. 1. Open bonnet
  2. 2. Remove engine cover
  3. 3. Remove ignition module (3) • Pull ignition module cover (1) upwards • Release and disconnect wiring harness plug (2) for ignition module • Unscrew 4x bolts (arrows)
  1. 4. Place collecting basin underneath.
  1. 5. Detach engine vent hose from cylinder head cover • Release clamp (1)
  2. 6. Remove coolant pipe (3) • Unscrew bolt (4) • Release clamp (2) • Unclip coolant pipe from wiring harness bracket (5) and place to one side
  3. 7. Detach wiring harness bracket • Unscrew 2x nuts
  4. 8. Detach wiring harness bracket, timing side • Unscrew 2x bolts (arrows)
  1. 9. Detach wiring harness bracket, transmission side • Unscrew 2x bolts (arrows)
  1. 10. Remove cylinder head cover • Unscrew 14x bolt (arrows)
  1. 11. Clean sealing surfaces.

Install

  1. 12. Replace cylinder head gasket • Clean sealing surfaces.
  2. 13. Install cylinder head cover • Tighten 14 bolts 9 Nm
  3. 14. Install wiring harness bracket, transmission side • Tighten 2x bolts
  4. 15. Install wiring harness bracket, timing side • Tighten 2x bolts
  5. 16. Install wiring harness bracket • Tighten 2x nuts
  6. 17. Install coolant pipe • Clip coolant pipe into bracket • Tighten bolt • Fasten clamp
  7. 18. Attach engine vent hose to cylinder head cover • Fasten clamp
  8. 19. Install ignition module • Tighten 4x bolt 9 Nm • Attach ignition module cover • Connect and lock ignition module wiring harness plug
  9. 20. Attach engine cover
  10. 21. Check and correct coolant level
  11. 22. Close bonnet