Contents Wiring diagrams Section: Engine Mechanics - K12B All sections

Cylinder Head Cover Replacement Opel Agila B

Remove

  1. 1. Release engine harness from air cleaner housing (1) • Release clip
  2. 2. Release air cleaner housing with resonator from cylinder head cover and bracket • Remove 2x bolt (2)
  1. 3. Remove air cleaner element from air cleaner housing (3) • Release cover (1) from air cleaner housing – Release 2x clip (2), 2x locator
  2. 4. Remove air cleaner housing with resonator from cylinder head cover • Pull off to release 2x rubber locator
  1. 5. Remove 4x ignition coil module (3) from 4x spark plug • Disconnect 4x harness connector (2) • Remove 4x bolt (1)
  1. 6. Disconnect hose (1) from engine vent valve (2) • Release clip
  1. 7. Remove dipstick from engine
  2. 8. Release engine harness from cylinder head cover • Release 2x clip
  3. 9. Disconnect breather hose from cylinder head cover • Release clip
  4. 10. Release 2x harness bracket from cylinder head cover • Remove 2x bolt
  5. 11. Remove cylinder head cover (1) from cylinder head • Remove 14x bolt in stages, in sequence shown
  1. 12. Remove engine vent valve (1) from cylinder head cover (2)
  2. 13. Remove O ring (3) from engine vent valve

Install

  1. 14. Install new O ring (3) to engine vent valve (1) • Apply suitable lubricant to O ring
  2. 15. Install engine vent valve 2.5 Nm to new cylinder head cover (2)
  1. 16. Clean mating surfaces of cylinder head cover and cylinder head
  2. 17. Install new rubber gasket (1) to cylinder head cover
  3. 18. Install 4x new seal (2) to cylinder head cover
  1. 19. Apply silicone sealant to positions A on cylinder head cover (2) – see “Sealants, Adhesives and Lubricants”
  1. 20. Install cylinder head cover (1) to cylinder head • Install 14x bolt, do not tighten at this stage • Secure 14x bolt 7.5 Nm in sequence shown
  1. 21. Secure 2x harness bracket to cylinder head cover • Install 2x bolt
  2. 22. Connect breather hose to cylinder head cover • Secure clip
  3. 23. Secure engine harness to cylinder head cover • Secure 2x clip
  4. 24. Install dipstick to engine
  5. 25. Connect hose (1) to engine vent valve (2) • Secure clip
  1. 26. Install 4x ignition coil module to 4x spark plug • Install 4x bolt 11 Nm • Connect 4x harness connector
  1. 27. Install air cleaner housing with resonator (3) to cylinder head cover • Push on to secure 2x rubber locator
  2. 28. Install air cleaner element to air cleaner housing • Secure cover (1) to air cleaner housing – Secure 2x locator, 2x clip (2)
  1. 29. Secure air cleaner housing with resonator (1) to cylinder head cover and bracket • Install 2x bolt (2)
  2. 30. Secure engine harness to air cleaner housing • Secure clip