Removal Procedure
Tools Required
- Remove the valve rocker arm cover. Refer to 
Valve Rocker Arm Cover Replacement 
.
 
- Remove the valve rocker arms. Refer to 
Valve Rocker Arm and Push Rod Replacement 
.
 
- Remove the spark plugs. Refer to Spark Plugs Replacement in Engine
Electrical.
 
- Remove the valve keepers as follows:
 
| 4.1.  | Install the J 23590 
 into the spark plug hole. | 
 
| 4.2.  | Apply compressed air in order to hold the valves in place. | 
 
| 4.3.  | Install the valve rocker arm bolt. | 
 
| 4.4.  | Use the J 5892-C 
to
compress the valve spring. | 
 
| 4.5.  | Remove the valve keepers. | 
 
|          | Important: Do not release the compressed air from the cylinder. The valve will
fall into the cylinder and may cause damage.
 | 
| 4.6.  | Carefully release the spring tension. Remove the J 5892-C 
. | 
 
- Remove the cap and the spring.
 
- Remove the valve stem oil seal.
 
Installation Procedure
Tools Required
- Install the valve stem oil seal.
 
- Install the spring with the damper.
 
- Install the cap.
 
- Install the valve keepers as follows:
 
| 4.1.  | With compressed air still applied, compress the valve spring with
the J 5892-C 
. | 
 
| 4.2.  | Install the valve keepers. Apply grease to hold the valve keepers
in place. | 
 
| 4.3.  | Carefully release the spring tension. Make sure the valve keepers
do not move. Remove the J 5892-C 
. | 
 
| 4.4.  | Release compressed air from the cylinder. | 
 
- Install the spark plugs. Refer to Spark Plugs Replacement in Engine
Electrical.
 
- Remove the valve rocker arms. Refer to 
Valve Rocker Arm and Push Rod Replacement 
.
 
- Remove the valve rocker arm cover. Refer to 
Valve Rocker Arm Cover Replacement 
.