Cylinder Head Removal

Cylinder Head Removal

NOTE:
- Use fender covers to avoid damaging painted surfaces.
- To avoid damaging the wires and terminals, unplug the wiring connectors carefully while holding the connector portion.
- To avoid damaging the cylinder head, wait until the engine coolant temperature drops below 100°F (38°C) before loosening the cylinder head bolts.
- Mark all wiring and hoses to avoid misconnection. Also, be sure that they do not contact any other wiring or hoses, or interfere with any other parts.

1. Make sure you have the anti-theft codes for the radio and the navigation system, then write down the customer's radio station presets.
2. Relieve fuel pressure.
3. Disconnect the negative cable from the battery.
4. Drain the engine coolant.
5. Remove the drive belt.





6. Remove the power steering (P/S) pump (A) and the bolt (B) securing the P/S hose bracket.
7. Remove the alternator.
8. Remove the intake manifold.
9. Remove the six ignition coils.
10. Remove the timing belt.
11. Remove these engine wire harness connectors and wire harness clamps from the cylinder head:
- Six injector connectors
- Engine coolant temperature (ECT) sensor 1 connector
- Engine coolant temperature (ECT) sensor 2 connector
- Camshaft position (CMP) sensor connector
- Crankshaft position (CKP) sensor A/B connector
- Exhaust gas recirculation (EGR) valve connector
- VTEC solenoid valve connector
- VTEC oil pressure switch connector
- Oil pressure switch connector
- Two air fuel ratio (A/F) sensor connectors
- Two secondary heated oxygen sensor (secondary HO2S) connectors





12. Remove the upper radiator hose (A) and lower radiator hose (B).





13. Remove the heater hose (A) and water bypass hose (B).





14. Remove the bolt securing the harness bracket.





15. Remove the bolt securing the harness bracket.





16. Remove the fuel quick-connect fitting cover (A), then disconnect the fuel quick-connect fitting (B).





17. Remove the evaporative emission (EVAP) canister hose joint with bracket.





18. Remove the fuel rails.
19. Remove the front and rear warm up three-way catalytic converter (WU-TWC).





20. Remove the water passage.





21. Remove the front and rear camshaft pulleys (A) and back covers (B).
22. Remove the cylinder head cover.





23. Remove the cylinder head bolts. To prevent warpage, unscrew the bolts in sequence 1/3 turn at a time; repeat the sequence until all bolts are loosened.
24. Remove the cylinder head.