Valve Springs

Valve Spring

Special Tools And Equipment:

Special tool(s)

Removal
1. Remove the camshaft roller followers.





2. Position the piston at Top Dead Center (TDC).
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.

Using the special tool to compress the valve spring, remove the valve spring retainer keys, the valve spring and the retainer.
5. Inspect the components.

Installation





1. Position the valve spring and the valve spring retainer.





2. Install the special tool between the valve spring coil to prevent valve stem seal damage.





3. Using the special tool to compress the valve spring, install the valve spring retainer keys.
4. Install the camshaft roller followers.
5. Install the spark plug.
6. Repeat all steps for each cylinder being serviced.