Cylinder Head

CYLINDER HEAD





COMPONENTS

DISASSEMBLY





1. Using a tool, remove the cylinder head bolts in the order shown in the illustration.





2. Using the special tool (09222-28000, 09222-28100), remove the valve spring retainer lock. Then remove the spring retainer, valve spring,spring seat and valve.

NOTE: Arrange these parts so that they can be reinstalled in their original positions.





3. Remove the valve stem seals with pliers.

NOTE: Do not reuse the valve stem seals.

REASSEMBLY

NOTE:
1. Wean each part before assembly.
2. Apply engine oil to the sliding and rotating parts.

1. Install the spring seats.
2. Using a special tool (09222-28200), tap the seal in position lightly.

NOTE:
^ Do not reuse old valve stem seals.
^ Incorrect installation of the seal could result in oil leakage past the valve guides.





3. Apply engine oil to each valve. Insert the valve into the valve guide. Avoid pushing the valve into the seal by force. After inserting the valve, check that it moves smoothly.





4. Place valve springs so that the side coated with enamel faces the valve spring retainer and then install the retainer.





5. Using the special tool (09222-28000, 09222-28100), compress the spring and install the retainer locks. After installing the valves, ensure that the retainer locks are correctly in place before releasing the valve spring compressor.

NOTE: When the spring is compressed, Check that the valve stem seal is not pressed against the bottom of the retainer.

6. Clean both gasket surfaces of the cylinder block and cylinder head.
7. Verify the identification marks on the cylinder head gasket.
8. Install the gasket so that the surface with the identification mark faces toward the cylinder head.

NOTE: Check and measure the length of each head bolt. Maximum length: 99.4 mm (3.9 inch)





9. Tighten the bolts to the specified torque.
Tightening torque
With used parts (head bolt, cylinder head cylinder block): 20 Nm (200 kg-cm, 14 ft. lbs.) + 90° + 90°
With new parts (even if only one thing is replaced): 64 Nm (640 kg-cm, 46 ft. lbs.) + release + 20 Nm (200 kg-cm, 14 ft. lbs.) + 90° + 90°