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 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. Remove the engine compartment covers Service and Repair.

2. Relieve the fuel pressure Service and Repair.

3. Do the battery terminal disconnection procedure.

4. Drain the engine coolant Service and Repair.

5. Remove the alternator Removal and Replacement.

6. Remove the intake manifold.

7. Remove the six ignition coils Service and Repair.

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

- Six injector connectors
- Knock sensor connector
- ECT sensor 1 connector
- Engine mount control solenoid valve connector
- CMP sensor connector
- Rocker arm oil control solenoid connector
- Rocker arm oil pressure switch connector
- Two A/F sensor connectors
- Two secondary HO2S connectors

9. Remove the front warm up TWC and the rear warm up TWC.

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






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






12. Remove the engine mount control solenoid valve bracket (A) from the rear cylinder head.





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

14. Remove the water passage Water Passage Replacement.

15. Remove the timing belt Timing Belt Removal.

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

FRONT





REAR





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

18. 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.

FRONT





REAR





19. Remove the cylinder heads.