| 摘要 |
The oil filter 23 is situated downstream of the oil control valve 4 while extending in the axial direction of the advance-angle side oil path. Therefore, any foreign matter existing between the control valve 4 and the actuator 3 is removed by the filter 23 to prevent foreign matter from becoming lodged in the oil control valve 4. This stabilizes the operation of the variable valve timing mechanism.
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