More recent forms of automatic transmission, just like the semi-guide gearbox and CVT use other ways of electrical power delivery, And do not include things like torque converters. Listen for Unconventional Noises:  Shell out shut attention to any unusual Seems coming from the transmission region, especially through acceleration or deceleration.  https://torque-converter-clutch53085.theobloggers.com/40232275/torque-converter-clutch-an-overview