The torque converter will allow the engine to idle in the event the autos is stopped Though the transmission contains a gear engaged. Given that the name implies, the torque converter converts (amplifies) the input torque on the motor into a higher output torque. This specific feature from the torque https://torque-converter-clutch36913.nizarblog.com/34140503/not-known-facts-about-torque-converter-clutch