| 摘要 |
A hydraulic control valve of an automatic transmission includes a valve body, a valve bore formed in the valve body, a spool, a spring and a plug arranged in the valve bore, a retainer member located in one end side of the valve bore so as to prevent the spool, the spring and the plug from falling out of the valve bore while holding the spring in a compressed state, a retainer hole formed in the valve body for insertion of the retainer member therethough in a direction perpendicular to an axis of the valve, and a retainer groove formed in the valve bore in communication with the retainer hole so as to hold therein the retainer member under a force of the spring. The retainer member has an opening that allows insertion of the retainer member from the retainer hole to an insertion completion position in the retainer groove in a condition that the plug is pushed in the valve bore to a position inward of the retainer groove.
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