Valve Stem Oil Seal and Valve Spring Replacement - Right Side

Valve Stem Oil Seal and Valve Spring Replacement - Right Side

Special Tools

- EN-39313 Spark Plug Port Adapter
- EN-46106 Flywheel Holding Tool
- EN-46110 On-Vehicle Valve Spring Compressor
- EN-46116 Valve Stem Seal Remover/Installer

For equivalent regional tools, refer to Special Tools.

Removal Procedure

1. Remove the rocker arms. Refer to Valve Rocker Arm Replacement - Right Side.
2. Remove the starter. Refer to Starter Replacement (LAU) Starter Replacement (LF1).

3. Note
If the EN-46106 tool is not installed, the crankshaft may rotate. If the crankshaft rotates, disassembly and reassembly of the entire camshaft timing system may be required.

Install the EN-46106 tool in order to prevent crankshaft rotation.





4. Remove the spark plug from the applicable cylinder. Refer to Spark Plug Replacement.
5. Install the EN-39313 adapter to the applicable cylinder.
6. Connect the EN-39313 adapter to a compressed air source.
7. Install the EN-46110 compressor above the applicable cylinder as shown.





8. Tighten the EN-46110 compressor nut (2).
9. Remove the valve keepers.





10. Loosen the EN-46110 compressor nut.
11. Remove the valve spring retainer.
12. Remove the valve spring.





13. Use the EN-46116 remover/installer (1) in order to remove the valve stem seal (2).





Installation Procedure

1. Use the EN-46116 remover/installer (1) in order to install the valve stem seals (2).





2. Install the valve spring.





3. Install the valve spring retainer.
4. Install the EN-46110 compressor above the applicable valve spring as shown.
Tighten the EN-46110 compressor nut (2).





5. Install the valve spring keepers.





6. Remove the EN-46110 compressor.
7. Disconnect the EN-39313 adapter from the compressed air source.
8. Remove the EN-39313 adapter.
9. Install the spark plugs. Refer to Spark Plug Replacement.
10. Install the rocker arms. Refer to Valve Rocker Arm Replacement - Right Side.
11. Remove the EN-46106 tool.
12. Install the starter. Refer to Starter Replacement (LAU) Starter Replacement (LF1).