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 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 any other parts.

1. Relieve the fuel pressure Service and Repair.

2. Remove the air intake duct.

3. Do the battery removal procedure.

4. Drain the engine coolant Service and Repair.

5. Remove the drive belt Service and Repair.

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






7. Remove the alternator.

8. Remove the timing belt Timing Belt Removal.

9. Remove the intake manifold.

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
- ECT sensor 1 connector
- Front rocker arm oil pressure switch connector
- Rear rocker arm oil pressure switch connector
- CMP sensor connector
- Front A/F sensor 1 connector
- Rear A/F sensor 1connector
- Front secondary HO2S connector
- Rear 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 TWC and the rear warm up 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.