Valve Spring: Service and Repair

Valve Stem Oil Seal and Valve Spring Replacement

^ Tools Required
- J22794 Spark Plug Port Adapter
- J 5892-D Valve Spring Compressor
- J 38606 Valve Spring Compressor

Removal Procedure





1. Remove the spark plugs.
2. Remove the rocker arms.
3. Install the J22794 to the spark plug port.
4. Apply compressed air in order to hold the valves in place.
5. Compress the valve spring using the J 5892-D or the J 38606.
6. Measure the following items:
^ The valve locks
^ The valve cap
^ The valve spring
7. Remove the valve stem oil seal.

Installation Procedure





1. Install the valve stem oil seal. Use the plastic sleeve provided. Press the oil seal over the valve guide boss.
2. Assemble the following items:
^ The spring seat
^ The valve spring
^ The valve cap
3. Compress the valve spring using the J 38606 or the J 5892-D.
4. Install the valve locks. Hold the valve locks in place with grease if needed.
5. Release the valve spring. Ensure that the valve locks are seated.
6. Install the rocker arms.
7. Install the spark plugs.