Tools Required
Removal Procedure
- Remove the valve rocker arms from the cylinder head.
Refer to
Valve Rocker Arm and Push Rod Replacement
.
- Remove the spark plugs.
Refer to
Spark Plug Replacement
in Engine Electrical.
- Install the J 22794
to the spark plug hole.
- Apply compressed air to the J 22794
in order to hold the valves in place.
- Install J 5892-D
and use a M8 bolt from the valve
rocker arm and a washer in order to compress the valve spring.
- Use the J 38606
in order to compress the valve spring.
- Remove the valve stem
keys (2).
- Carefully release the valve spring (4) tension.
- Remove the J 38606
Valve Spring Compressor
- Remove the valve spring cap (3).
- Remove the valve spring (4).
- Remove the valve stem oil seal (5).
- Remove the valve spring shim (6), (if required).
Installation Procedure
Tools Required
• | J 42073 Valve
Stem Oil Seal Installer |
Important: For additional information on installing valve springs, refer to
Cylinder Head Assemble
- Install the valve spring shim, if equipped.
- Assemble the valve stem oil seal onto the valve guide.
Important: The valve stem oil seal alignment and position on the valve guide is
critical.
An improperly installed valve stem oil seal may lead to excessive oil
consumption, increased vehicle emissions, or component damage.
- Install the valve stem oil seal onto the guide.
3.1. | Lubricate the valve guide and valve stem oil seal with clean engine
oil. |
3.2. | Install the valve stem oil seal onto the valve stem. Push the
seal down until the seal contacts the valve guide. |
3.3. | Use the J 42078
in order to install the valve stem oil seal. |
Push or lightly tap the tool until the tool bottoms against the valve
spring shim (4.8/5.3) or spring seat (6.0).
- Install the valve spring (3) and the valve spring cap (4).
- Use the J 5892-D
, the bolt from the valve rocker arm
and a washer in order to compress the valve spring.
- Valve spring compressor J 38606
may be used in place
of J 5892-D
.
- Install the valve keys (5).
Use grease in order to hold the valve keys in place.
- Carefully release the valve spring pressure, making sure the valve
keys stay in place.
- Remove the J 5892-D
and the J 22794
- Install the spark plugs.
Refer to
Spark Plug Replacement
in Engine Electrical.
- Install the valve rocker arms.
Refer to
Valve Rocker Arm and Push Rod Replacement
.