Removal Procedure
Tools Required
- J 38606 Valve Spring Compressor
- J 22794 Spark Plug Port Adapter
- Remove the rocker arm cover. Refer to
Valve Rocker Arm Cover Replacement
.
- Remove the rocker arm assemblies. Refer to
Valve Rocker Arm and Push Rod Replacement
.
- Remove the spark plugs.
Important: Rotate the engine so that the piston in the cylinder that you are servicing
is at top dead center before removing the valve keys. Do this in order to
eliminate the possibility of the valve falling into the cylinder.
- Install the J 22794
into the cylinder
head. Charge the cylinder with compressed air in order to hold the valves
closed.
- Use the J 38606
in order
to compress the valve spring.
- Remove the valve keys.
- Remove the valve cap.
- Remove the valve spring.
- Pry up on the bottom of the seal in order to remove the valve
stem oil seal.
Installation Procedure
Tools Required
• | J 41512 Valve
Guide Installation Tool |
- Place the oil seal over the valve stem so that the seal begins
to contact the valve guide.
Notice: Use hand pressure only when installing the valve stem oil seal using
the J 41512. Using too much force may cause damage to the
oil seal and possibly lead to excessive oil consumption.
- Use the J 41512
in
order to push the valve stem seal over the guide.
- Use the J 38606
in order to install the valve spring. Install the valve
cap.
- Install the valve keys.
- Repeat the previous steps for each valve.
- Depressurize the cylinder.
- Remove the J 22794
.
- Install the spark plug.
- Install the rocker arm assemblies. Refer to
Valve Rocker Arm and Push Rod Replacement
.
- Install the rocker arm cover. Refer to
Valve Rocker Arm Cover Replacement
.