Removal and Installation

REMOVAL

Removal Service Points

Cylinder Head Bolt Removal

Retainer Lock Removal

1. Using the special tool, compress the spring.
2. Remove the retainer locks.

Valve Stem Seal Removal

1. Do not reuse removed valve stem seal.

INSTALLATION

Installation Service Points
>A

1. Install the valve spring seat.
2. Using the special tool, install a new stem seal to the valve guide.

Caution:
1. Valve stem seals for intake valve and for exhaust valve are different. Be sure to install the correct ones.
Valve stem seal identification color
Intake: Silver
Exhaust: Black
2. Do not reuse the removed valve stem seal.
3. Always use the special tool to install the valve stem seal. Improperly installed valve stem seal may cause oil leak.

>B<Valve Spring Installation

1. Direct the valve spring end with identification color toward the spring retainer.

>C

>D

1. Tighten the cylinder head bolts in the sequence shown. Each bolt should be tightened in two to three stepson torquing progressively. Tighten to the specified torque in the final sequence.

Caution: Attach the head bolt washer in the direction shown in the figure.