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Cylinder Head Removal




Cylinder Head Removal

NOTE:

- Use fender covers to avoid damaging the painted surfaces.
- To avoid damaging the wires and terminals, unplug the wiring connectors carefully while holding the connector portion.
- Connect the HDS to the DLC, and monitor the ECT SENSOR 1. 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 other parts.

1. Relieve the fuel pressure Service and Repair.

2. Do the battery terminal disconnection procedure.

3. Drain the engine coolant Service and Repair.

4. Remove the air cleaner Service and Repair.

5. Remove the drive belt Service and Repair.

6. Remove the intake manifold.

7. Remove the harness clamps (A), and disconnect the PCV hose from the clamp (B).






8. Remove the air cleaner bracket (A), then remove the harness holder (B) from the cylinder head.






9. M/T model: Disconnect the upper radiator hose (A) and the heater hose (B).






10. A/T model: Disconnect the upper radiator hose (A), the heater hose (B), and the water bypass hose (C).





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

- Four fuel injector connectors
- ECT sensor 1 connector
- A/F sensor connector
- Secondary HO2S connector
- EGR valve connector
- Rocker arm oil control valve connector
- Rocker arm oil pressure sensor (EOP sensor) connector
- EVAP canister purge valve connector
- CMP sensor connector

12. Remove the four ignition coils Service and Repair.

13. Remove the TWC Service and Repair.

14. Remove the thermostat housing Service and Repair.

15. Remove the cam chain Cam Chain Removal.

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





17. Remove the cylinder head.