Cylinder Head Cover(s) - Removal

REMOVAL





1. Perform the fuel pressure release procedure Service and Repair.
2. Disconnect and isolate the negative battery cable.
3. Recover the refrigerant from the refrigerant system Refrigerant System Recovery.
4. Remove the engine cover (1).





5. Remove the air cleaner body (6) Air Cleaner Body - Removal.





6. Disconnect the PCV hose (1) from the intake manifold.
7. Disconnect the vent hose (3) from the oil filler neck.
8. Remove three bolts (2) and remove the oil separator housing (4) from the cylinder head cover.





9. Disconnect the fuel vapor purge hose (3) from the intake manifold.
10. Open the hose retainer (1) and disconnect the fuel line (2) from the fuel rail Service and Repair.





11. Unlock and disconnect the IAT/MAP sensor electrical connector (3).





12. Unlock and disconnect the evaporative emissions purge solenoid electrical connector (1).
13. Unlock and disconnect the fuel injector wire harness electrical connector (2).





14. Unlock and disconnect the electrical connector (3) from the Electronic Throttle Control (ETC) (4) and disengage the ETC harness from the clip (2) on the throttle body.






CAUTION: When servicing components near the vacuum pump, avoid contact with the plastic nipple that connects the vacuum pump to the brake booster hose. It is possible to crack the plastic nipple resulting in a brake booster vacuum leak.

15. Disconnect the vacuum line from the vacuum pump (1).





16. Remove two bolts (2), one nut (3) and reposition the oil separator housing bracket (1).






NOTE: Number 1 cylinder ignition coil shown, all others similar.

17. Remove the ignition coils (1) Ignition Coil - Removal.





18. Remove the bolt (2) and the ground lug from the cylinder head cover.
19. Remove two bolts (3) and reposition the wire harness duct (1).





20. Raise and support the vehicle Maintenance.
21. Remove the belly pan Belly Pan - Removal.





22. Remove two bolts (4) and the right vertical brace (5).
23. Remove two screws (2) from the front wheelhouse splash shield.
24. Remove three screws (1) and the frame splash shield (3).





25. Remove the accessory drive belt (4) Serpentine Accessory Drive Belt - Removal.





26. Remove the A/C compressor (1) A/C Compressor - Removal.





27. Open the two wire harness retainers (1) and reposition the wire harness.





28. Remove six of the seven intake manifold flange bolts (1).





29. Lower the vehicle.
30. Remove the remaining intake manifold flange bolt (3), the intake manifold support bolt (2) and reposition the intake manifold (1).





31. Remove and discard the four intake manifold seals (1).
32. Cover the open intake ports to prevent debris from entering the engine.





33. Remove the bolt (3) from the upper timing belt cover (1).





34. Remove twelve bolts (2), the fuel rail blocker (3) and the cylinder head cover (1).





35. Remove and discard the cylinder head cover gasket (1).
36. The spark plug tube seals (2) can be reused if not damaged.






CAUTION: Do not use oil based liquids, wire brushes, abrasive wheels or metal scrapers to clean the engine gasket surfaces. Use only isopropyl (rubbing) alcohol, along with plastic or wooden scrapers. Improper gasket surface preparation may result in engine fluid leakage.

37. Remove all residual sealant (1) from the variable valve actuator assembly, camshaft caps, camshaft housing and cylinder head cover mating surfaces Procedures





38. If required, remove the bolt (3), oil filler neck lock (2) and the oil filler neck (1) from the cylinder head cover.





39. The oil filler neck O-ring (1) can be reused if not damaged.