Valve Guide Seal: Service and Repair

Valve Seals

Special Tools:

Special Tool(s)

Removal and Installation
1. Remove the rocker arms.
2. Rotate the crankshaft until the piston for the valve being worked on is at the top of its stroke with both the intake valve and the exhaust valve closed.

3. CAUTION: If the components are to be reinstalled, they must be installed in the same position. Mark the components for location.

Hold the valve in the cylinder head.
- Remove the spark plug.
- Apply a minimum of 689 kPa (100 psi) of compressed air to the cylinder.





4. Using the special tool, remove the valve spring retainer keys.





5. NOTE: Refer to valve spring retainer inspection

Remove the valve spring retainer.





6. NOTE: Refer to valve spring inspection.

Remove the valve spring.





7. Remove the valve stem seal.
8. To install, reverse the removal procedure.