This means that there's a great deal of energy shed while in the torque converter, dissipated as warmth. As a way to improve its efficiency, companies extra a lock-up clutch towards the torque converter. Having said that, Like all mechanical ingredient, torque converters can wear out or malfunction over time. https://finnjmkhj.ampblogs.com/torque-converter-clutch-no-further-a-mystery-70683421