| 1. Take off a gear belt, the mechanism of a tension of a gear belt and a pulley of a camshaft. |
| 2. Remove a back casing of a gear belt. |
| 3. Using a small screw-driver, take a sealing ring of a camshaft. |
| 4. Clear a nest of a sealing ring and grease working edges of a new sealing ring with pure engine oil. |
| 5. Using a tubular mandrel of the corresponding diameter, establish a sealing ring into place. |
| 6. Further installation is made in sequence, the return to removal. |