Spark

Valve Stem Oil Seal and Valve Spring Replacement

Special Tools

For equivalent regional tools, refer to Special Tools .

1. Remove the camshaft. Refer to Camshaft Replacement .



2. Remove the valve tappet (1) using KM-845 tappet suction device .



3. Install the EN-50173 universal valve spring compressor (1) and EN- 49075 valve spring compressor adapter (2).
4. Remove the spark plug and install the EN-49076 cylinder pressure adapter .
5. Connect the compressed air hose to EN-49076 cylinder pressure adapter . It prevents the valve slipping into the cylinder by blowing compressed air into the cylinder.
6. Use the magnet in order to remove the valve collet.



7. Remove the retainer (1) and valve spring (2).



8. Remove the valve stem seal (2) using EN 46116 valve stem seal remover/installer (1).

1. Remove the valve stem seal (2) using EN 46116 valve stem seal remover/installer (1).



2. Install the valve spring (2), retainer (1), and seal.



3. Disconnect the compressed air hose from EN 49076 cylinder pressure adapter .

Caution: Refer to Fastener Caution in the Preface section.

4. Remove the EN 49076 cylinder pressure adapter (3), install the spark plug, and tighten the spark plug to 27 N·m (20 lb ft).
5. Remove the EN-50173 universal valve spring compressor (1) and EN-49075 valve spring compressor adapter (2).



6. Install the valve tappet (1).
7. Install the camshaft. Refer to Camshaft Replacement .