Valve Spring, Retainer and Seal
Valve Spring, Retainer and SealSpecial Tools
Material
Removal
1. Remove the valve tappets.
2. Remove the spark plug for the cylinder being serviced.
3. Position the piston for the cylinder being serviced at the top of its stroke and pressurize the cylinder with compressed air.
4. Using the special tool, compress the valve spring and remove the retainer keys.
5. Remove the valve spring.
1 Remove the retainer.
2 Remove the valve spring.
6. Remove and discard the valve stem seal.
Installation
1. NOTE: Lubricate the valve stem seal with clean engine oil.
Install the valve stem seal.
2. Install the valve spring and retainer.
3. Using the special tool, compress the valve spring and install the retainer keys.
4. Release the compressed air used to hold the valves closed.
5. Install the spark plug for the cylinder being serviced. Do not tighten at this time.
6. Repeat the appropriate removal and installation steps for all of the other cylinders.
7. Tighten the spark plug(s) to 27 Nm (20 ft. lbs.).
8. Install the valve tappets.