<p>A quick connector (1) is provided with a connector housing (3) and a wire retainer (5). The connector housing (3) has a retainer mounting portion (15) which is formed with engagement slits (23). The wire retainer (5) is mounted on the retainer mounting portion (15) such that engaging arms (59) enter the engagement slits (23) and project in the retainer mounting portion (15). Each of the engaging slits (23) has a width larger than a diameter of the engaging arm (59) in order to generate a collision noise by collision between the engaging arm (59) and the connector housing (3) or the pipe (47) upon completion of closing motion of the engaging arms (59).</p>
