Cylinder Head Removal

Cylinder Head Removal

NOTE:

- Use fender covers to avoid damaging painted surfaces.
- To avoid damaging the wiring and terminals, unplug the wiring connectors carefully while holding the connector portion.
- Connect the Honda Diagnostic System (HDS) to the data link connector (DLC), and monitor the engine coolant temperature (ECT) sensor 1. To avoid damaging the cylinder head, wait until the ECT 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. Relieve the fuel pressure Service and Repair.

2. Remove the air intake duct.

3. Do the battery removal procedure Removal and Replacement.

4. Drain the engine coolant Service and Repair.

5. Remove the drive belt Service and Repair.

6. Remove the power steering (P/S) pump (A) and the bolt (B) securing the P/S hose bracket (C).






7. Remove the alternator Removal and Replacement.

8. Remove the timing belt Timing Belt Removal.

9. Remove the intake manifold Intake Manifold Removal/Installation.

10. Remove the six ignition coils Service and Repair.

11. Disconnect the following engine wire harness connectors, and remove the wire harness clamps from the cylinder head:

- Six injector connectors
- Engine coolant temperature (ECT) sensor 1 connector
- Front rocker arm oil pressure switch connector
- Rear rocker arm oil pressure switch connector
- Camshaft position (CMP) sensor connector
- Front air fuel ratio (A/F) sensor 1 connector
- Rear air fuel ratio (A/F) sensor 1connector
- Front secondary heated oxygen sensor 2 (secondary HO2S) connector
- Rear secondary heated oxygen sensor 2 (secondary HO2S) connector
- Rocker arm oil control solenoid A (BANK 1) connector
- Rocker arm oil control solenoid A (BANK 2) connector
- Rocker arm oil control solenoid B (BANK 1) connector
- Knock sensor connector

12. Remove the front warm up three way catalytic converter (front WU-TWC) and the rear warm up three way catalytic converter (rear WU-TWC).

13. Remove the quick-connect fitting cover (A), then disconnect the fuel feed hose (B) Fuel Line/Quick-Connect Fitting Removal.






14. Remove the connector bracket (A) from the front cylinder head.






15. Remove the harness clamp bracket (A) from the rear cylinder head.





16. Remove the injector bases Injector Base Removal/Installation.

17. Remove the water passage Water Passage Replacement.

18. Remove the camshaft pulleys (A) and the back covers (B).

FRONT





REAR





19. Remove the cylinder head covers Cylinder Head Cover Removal.

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

FRONT





REAR





21. Remove the cylinder heads.