The torque converter will allow the motor to idle once the automobiles is stopped Regardless that the transmission has a gear engaged. As being the identify implies, the torque converter converts (amplifies) the enter torque of the motor into an increased output torque. This distinct function with the torque converter https://torque-converter-clutch43074.thelateblog.com/34483908/5-simple-statements-about-torque-converter-clutch-explained