Removal

CYLINDER HEAD ASSEMBLY

COMPONENTS:

COMPONENTS:

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.
^ Turn the crankshaft pulley so that the No. 1 piston is at top dead center.

1. Disconnect the negative terminal from the battery.
2. Remove engine cover (A).
3. Remove air duct.





4. Remove the intake air hose and air cleaner assembly.
1) Disconnect the AFS connector.
2) Disconnect the breather hose (B) from air cleaner hose.
3) Disconnect the ECM connector.
4) Remove the intake air hose and air cleaner assembly (A).
5. Remove front wheels.





6. Remove under cover (A).
7. Drain the engine coolant.
Remove the radiator cap to speed draining.





8. Remove the upper and lower radiator hose (A).





9. Remove the heater hoses (A).





10. Disconnect A/C switch (A), alternator connector (B), and oil pressure switch (C).





11. Disconnect OCV connector (A) and OTS connector (B).





12. Disconnect injector connectors (A).





13. Disconnect ETS connector (A).





14. Disconnect CMP connector (A), and knock sensor connector (B).





15. Disconnect ignition coil connectors (A).





16. Disconnect PCSV connector (A), WTS connector (B), condenser connector (C), and CKP sensor connector (D).





17. Remove delivery pipe (A), brake vacuum hose (B), and PCSV hose (C).





18. Remove water temp control assembly (A).
19. Remove intake manifold.
20. Remove exhaust manifold.
21. Remove timing chain.





22. Remove CVVT assembly and camshaft sprocket (A).





23. Remove camshaft.
1) Remove front camshaft bearing cap (A).





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





3) Remove camshafts (A).





24. Remove OCV (A) and OTS (B).

Cylinder Head Removal Sequence:

25. Remove the cylinder head bolts, then remove the cylinder head.
1) Using triple square wrench, uniformly loosen and remove the 10 cylinder head bolts, in several passes, in the sequence shown. Remove the 10 cylinder head bolts and plate washers.

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

2) 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.