Part 1 of 2

Removal

Engine removal is not required for this procedure.

CAUTION:
- Use fender covers to avoid damaging painted surfaces.
- To avoid damaging the cylinder head, wait until the engine coolant temperature drops below normal temperature before removing it.
- When handling a metal gasket, take care not to fold the gasket or damage the contact surface of the gasket.
- To avoid damage, unplug the wiring connectors carefully while holding the connector portion.

NOTE:
Mark all wiring and hoses to avoid misconnection.

1. Disconnect the negative (-) battery terminal (A).




2. Remove the heater hoses (A).




3. Remove the intake & exhaust manifold.
4. Remove the water pump (A) and gasket (B).




5. Remove the water temperature control assembly (A) and gasket (B).




6. Remove the intake & exhaust CVVT assembly.
7. Remove the intake & exhaust CVVT assembly.





NOTE:
Fix the cam shaft (A) with a wrench when removing the CVVT assembly.




8. Remove the cam shaft.
A. Remove the front cam shaft bearing cap (A).




B. Remove the exhaust cam shaft upper bearing (A).




C. Remove camshaft bearing cap (A), in the sequence shown.




D. Remove the cam shaft (A).




E. Remove the exhaust cam shaft lower bearing (A).




9. Use a torx wrench, remove the intake OCV (A).




10. Remove the exhaust OCV.
11. Remove the cylinder head bolts, then remove the cylinder head.
A. Using triple square wrench, uniformly loosen and remove the 10 cylinder head bolts, in several passes, in the sequence shown.





CAUTION:
Head warpage or cracking could result from removing bolts in an incorrect order.

B. Lift the cylinder head from the dowels on the cylinder block and place the cylinder head on wooden blocks on a bench.

CAUTION:
Be careful not to damage the contact surfaces of the cylinder head and cylinder block.

12. Remove the cylinder head gasket.

Disassembly

NOTE:
Identify MLA(Mechanical Lash Adjuster), valves, valve springs as they are removed so that each item can be reinstalled in its original position.

1. Remove MLAs(A).




2. Remove valves.
(1) Using SST(09222-3K000, 09222-3K100), compress the valve spring and remove retainer lock.




(2) Remove the spring retainer.
(3) Remove the valve spring.
(4) Remove the valve.
(5) Using valve stem seal remover (09222-29000), remove the valve stem seal.