Valve Spring, Retainer and Seal

Valve Spring, Retainer and Seal

Special Tool(s):

Material:

Removal
1. Remove the camshaft roller followers.
2. Position the piston of the cylinder being serviced at top dead center (TDC).

3. CAUTION: If air pressure has forced the piston to the bottom of the cylinder, any loss of air pressure will allow the valve to fall into the cylinder. If air pressure must be removed, support the valve prior to removal.

Hold the valves in the cylinder head.
^ Remove the spark plug of the cylinder being serviced.
^ Use a suitable tool to apply air pressure to the cylinder.





4. Using the special tool, remove the valve spring retainer keys, valve spring retainers and the valve springs.
5. Remove the valve seals.

Installation

1. NOTE: Lubricate the valve seals with clean engine oil.





Using the special tool, install the valve seal.

2. NOTE: Lubricate the valve springs, retainers and retainer keys with clean engine oil.





Using the special tool, install the valve springs the valve spring retainers and the valve spring retainer keys.
3. Install the camshaft roller followers.