Valve Spring: Service and Repair

REMOVAL PROCEDURE

^ Tools Required
- J 38824 Valve Spring Compressor
- J 38821 Valve Spring Compressor Adapter
- J 39313 Spark Plug Port Adapter
- J 38819 Valve Keeper Installer
- J 38820 Valve Stem Seal Remover and Installer
- J 394 11 Flywheel Holder





1. Install the J 394 11.
2. Remove the camshaft cover. Refer to Camshaft Cover Replacement (Left) and Camshaft Cover Replacement (Right).
3. Remove the camshaft. Refer to Camshaft Replacement.
4. Store the valve lifters on their camshaft face so that the residual oil is retained in the lifter.





IMPORTANT: If more than one lifter is removed, retain the valve lifters in order so that they may be reinstalled in the same bore from which they were removed.

5. Fasten the J 38824 and J 38821 to the cylinder head over the cylinder being worked on.





6. Remove the spark plug from the cylinder being worked on. Install the J 39313.
7. Attach shop air to the J 39313.
8. Compress the valve spring.





9. Remove the valve keepers. Use the magnetic end of the J 38819.
10. Remove the J 38821 from the J 38824.
11. Remove the valve spring and retainer.





12. In order to remove the valve stem seal, install the J 38820-2.

IMPORTANT: Do not remove the valve stem seal unless replacement is required.

13. Use the J 38820 in order to grip the seal/seat assembly. Remove the seal by exerting a twisting, pulling motion.
14. Discard the seal. Do not reuse the valve stem seal/seat assembly as the sealing lip will be damaged by the sharp edge of the lock groove in the valve stem during removal.

INSTALLATION PROCEDURE

^ Tools Required
- J 38824 Valve Spring Compressor
- J 38821 Valve Spring Compressor Adapter
- J 39313 Spark Plug Port Adapter
- J 38819 Valve Keeper Installer
- J 38820 Valve Stem Seal Remover and Installer
- J 39411 Flywheel Holder





1. Lubricate the valve stem and the inner diameter of the new seal/seat assembly.
2. Install the J 38820-2.
3. Using a twisting, pushing motion, install the seal/seat. Use the J 38820.
4. Position the spring retainer to the valve spring.
5. Install the valve spring and retainer.





6. Compress the spring using the J 38824 and J 3882 1.





7. Position the valve keepers under the fingers of the J 38819. Place the pilot end of the J 38819 over the valve stem.
8. Compress the tool until the keepers fall off the tool and drop into the retainer groove.





9. Release the valve spring tension from the J 38824.
10. Remove the J 38824, J 38821, and J 38820-2.





11. Remove the J 39313.
12. Install the valve lifters into the same bore from which they were removed.
13. Install the camshafts. Refer to Camshaft Replacement.
14. Install the camshaft covers. Refer to Camshaft Cover Replacement (Left) and Camshaft Cover Replacement (Right).
15. Install the spark plug.
16. Remove the J 394 11.