Disassembly / Assembly

CYLINDER HEAD





Cylinder Head

Disassembly Note

Caution:
^ If the components are to be reinstalled, they must be installed in the same positions. Mark the components removed for locations.





1. Remove the bolts and the coolant outlet and discard the gasket.





2. Remove the bolts and the exhaust gas recirculation (EGR) valve and discard the gasket.





3. Remove and discard the cylinder head temperature (CHT) sensor.





4. Remove the spark plugs.





5. Remove the valve tappets.





Note:
^ Use a small screwdriver and grease to remove the valve collets.

6. Using the special tools, compress the valve springs and remove the valve collets, valve spring retainers and the valve springs.
7. Inspect the components, if necessary.





8. Remove the valves.





9. Using the special tools, remove and discard the valve seals.
10. Inspect the valves.

Assembly Note

Note:
^ Coat the valve stems with clean engine oil.

11. Install the valves.

Note:
^ Use the protector provided with the replacement kit to prevent damage to the valve seals. Lubricate the valve stems and guides with clean engine oil.





12. Using the special tool, install the valve seals.

Note:
^ Check the seating of the valve collets.





13. Using the special tools, install the valve springs.
^ Insert the valve springs and the valve spring retainers.
^ Compress the valve springs and install the valve collets, using grease and a small screwdriver.





14. Install the valve tappets.





15. Install the spark plugs.





16. Install a new CHT sensor.





17. Install the EGR valve, using a new gasket.





18. Install the coolant outlet, using a new gasket.