Valve Spring: Service and Repair

REMOVAL PROCEDURE

- Tools Required
- J 22794 Spark Plug Port Adapter
- J 38606 Valve Spring Compressor
- J 5892-D Valve Spring Compressor





1. Remove the valve rocker arms.
2. Remove the spark plugs.
3. Install the J 22794 into the spark plug hole.
4. Apply compressed air to the J 22794 in order to hold the valves in place.





5. Install a nut and the J 5892-D to the rocker arm stud.
6. Use the J 5892-D in order to compress the valve spring.





7. Use the J 38606 if clearance does not permit use of J 5892-D.





8. Remove the valve keys (1).
9. Carefully release the valve spring tension.
10. Remove the J 5892-D or the J 38606.
11. Remove the cap (2) and spring (4).
12. Remove the valve seal (3).

INSTALLATION PROCEDURE

- Tools Required
- J 22794 Spark Plug Port Adapter
- J 38606 Valve Spring Compressor
- J 5892-D Valve Spring Compressor
- J 42073 Valve Stem Oil Seal Installer





1. Select the proper valve stem oil seal for the specific valve guide.
2. Lubricate the valve stem oil seal and guide with clean engine oil.
The exhaust and intake valve seals are not interchangeable.

IMPORTANT: The exhaust valve oil seal has the letters EX (1) molded into the top of the seal. The seal material is brown in color (2) with a white stripe (3) painted on the outside diameter of the seal.

3. Assemble the valve stem oil seal onto the valve guide using the J 42073 and a hammer. Install the oil seal onto the valve guide until the installation tool bottoms against the valve spring seat.
4. Install the valve spring (4).





5. Use the J 5892-D in order to compress the valve spring.





6. Use the J 38606 if clearance does not permit use of J 5892-D.
7. Install the valve keys (1).
Use grease in order to hold the valve keys in place.
8. Carefully release the valve spring pressure, making sure the valve keys stay in place.





9. Remove the J 5892-D or the J 38606 and the J 22794
10. Install the spark plugs.





11. Install the valve rocker arms.