Valve Spring: Service and Repair

Valve Springs

Special Tools:

Special Tool(s)

Removal
1. Remove the camshaft.
2. Position the piston at the top of the stroke on the appropriate cylinder.
3. Remove the spark plug and apply compressed air in the cylinder to hold both valves in position.

4. 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.

Remove the bucket tappet and shim from the valve.





5. Using the special tool, remove the retainer keys.





6. Remove the valve springs.
1 Remove the spring retainers.
2 Remove the valve springs.
7. Repeat the procedure until all of the valve springs are removed.

Installation





1. Position the valve springs.
1 Position the spring retainers.
2 Position the valve springs.





2. Using the special tool, install the retainer keys.
3. Repeat the procedure until all of the valve springs are installed.
4. Install the camshaft.