| Components |

| 1. RH Cylinder head 2. RH Cylinder head gasket 3. LH Cylinder head | 4. LH Cylinder head gasket 5. Cylinder block |

| 1. Camshaft bearing cap 2. Camshaft thrust bearing cap 3. RH Exhaust camshaft 4. RH Intake camshaft 5. RH Exhaust CVVT assembly 6. RH Intake CVVT assembly 7. Mechanical lash adjuster (MLA) 8. Retainer lock | 9. Retainer 10. Valve spring 11. Valve stem seal 12. Valve 13. RH Intake camshaft OCV 14. RH Exhaust camshaft OCV 15. RH Cylinder head 16. LH Exhaust camshaft OCV | 17. LH Intake camshaft OCV 18. Fuel pump bracket 19. LH Intake camshaft 20. LH Exhaust camshaft 21. LH Intake CVVT assembly 22. LH Intake CVVT assembly 23. LH Cylinder head |
Valve Clearance Inspection And Adjustment Inspect and adjust the valve clearance when the engine is cold (Engine coolant temperature : 20°C(68°F)) and cylinder head is installed on the cylinder block.
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Inspection 1. Ignition "OFF". 2. Disconnect the intake actuator connector. 3. Verify that the actuator operates to the recirculation position when connecting 12V to the terminal 3 and grounding terminal 7. 4. Verify that the intake actuator operates to the fresh position when connecting in the reverse.