Tools Required

1. Open the hood.

Caution: Before servicing any electrical component, the ignition and start switch must be in the OFF or LOCK position and all electrical loads must be OFF, unless instructed otherwise in these procedures. If a tool or equipment could easily come in contact with a live exposed electrical terminal, also disconnect the negative battery cable. Failure to follow these precautions may cause personal injury and/or damage to the vehicle or its components.

2. Disconnect the battery negative cable from the battery. Refer to Battery Cable in Engine Electrical.
3. Remove the valve rocker arm cover from the cylinder head. Refer to Valve Rocker Arm Cover Replacement .
4. Remove the valve rocker arm from the cylinder head. Refer to Valve Rocker Arm and Push Rod Replacement .
5. Remove the valve push rod from the cylinder head. Refer to Valve Rocker Arm and Push Rod Replacement .
6. Remove the spark plugs from the cylinder head. Refer to Spark Plug Replacement in Engine Electrical.



7. Remove the valve keepers as followed:

•	Install the J 23590 into the spark plug hole.

•	Apply compressed air into the cylinders in order to hold the valves closed.

•	Lightly tap the valve spring retainer to loosen the valve keepers.

•	Install the J 5892-C to the cylinder head.

•	Install the valve rocker arm bolt.

Important: Tighten the valve rocker arm bolt enough to hold J 5892-C in place while compressing the valve and valve spring assembly.

•	Use the J 5892-C to compress the valve spring assembly.

•	Remove the valve keepers.

Important: Do not release the compressed air from the cylinder being worked on. The valve will fall into the cylinder bore.

•	Carefully release the spring tension and remove the J 5892-C .

•	Remove the J 5892-C from the cylinder head.




8. Remove the valve spring retainer (2) and the valve spring (4) from the cylinder head.
9. Remove the valve stem oil seal from the valve guide.

Tools Required

1. Install the valve stem oil seal to the valve guide.
2. Install the valve spring retainer and the spring.



3. Use the J 5892-C to install the valve springs and keepers to the cylinder head.
4. Install the valve keepers to the valve as follows:

•	With the compressed air still applied, use the J 5892-C to compress the valve spring assembly.

•	Install the valve keepers to the valve being worked on. Apply a small amount of clean grease to hold the valve keepers in place.

•	Carefully release the tension on the valve spring assembly. Make sure the valve keepers do not move while releasing the tension.

•	Remove the J 5892-C from the valve assembly.

•	Carefully release the compressed air from the cylinder being worked on.

5. Install the spark plugs to the cylinder head into the cylinder being serviced. Refer to Spark Plug Replacement in Engine Electrical.
6. Install the valve rocker arms to the cylinder head to the cylinder being serviced. Refer to Valve Rocker Arm and Push Rod Replacement .
7. Install the valve rocker arm covers to the cylinder head. Refer to Valve Rocker Arm Cover Replacement .
8. Connect the battery negative cables to the battery. Refer to Battery Cable in Engine Electrical.
9. Close the hood.