Established in 1954, ATRA is a global industry association for the automatic transmission repair business. Today transmissions and technology are developing quite rapidly, therefore ATRA annually provides training seminars to thousands of specialists involved in repair of gearboxes across North America. At ATRA seminars experts share their views on the new technological solutions and modern diagnostic measures, so that transmission repair specialists will be able to provide high-level services to their customers. Topics of seminars usually include transmission components which frequently cause problems: torque converter, valve body, sensors, bands, pump, solenoids, friction clutches, ATF issues, bearings.