Cylinder Head Removal

Cylinder Head Removal

NOTE:

- Use fender covers to avoid damaging painted surfaces.
- To avoid damage, unplug the wiring connectors carefully while holding the connector portion.
- Connect the HDS to the DLC, and monitor 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 other wiring or hoses, or interfere with other parts.
- Keep the cam chain away from magnetic fields.

1. Relieve the fuel pressure Service and Repair.

2. Drain the engine coolant Service and Repair.

3. Do the 12 volt battery removal procedure Removal and Replacement.

4. Remove the air cleaner Service and Repair.

5. Remove the intake manifold.

6. Remove the eight ignition coils Service and Repair.

7. Disconnect the following engine wire harness connectors and wire harness clamps from the cylinder head:

- Four injector connectors
- ECT sensor 1 connector
- CMP sensor connector
- Secondary HO2S connector
- Rocker arm oil control solenoid connector

8. Remove the harness holder, and disconnect the breather hose.

9. Remove the fuel pipe nut (A) and the fuel pipe clamp (B).






10. Remove the harness holder mounting bolts (A) and the ground cable (B), then remove the harness holder (C).






11. Disconnect the upper radiator hose (A), the water bypass hose (B), and the heater hose (C).






12. Remove the drive belt Service and Repair.

13. Remove the water pump Service and Repair.

14. Remove the cylinder head cover Cylinder Head Cover Removal.

15. Remove the warm-up TWC Warm Up TWC Removal/Installation.

16. Remove the cam chain Cam Chain Removal.

17. 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.





18. Remove the cylinder head.