To get the transmission into overdrive, a lot of points should be related and disconnected by clutches and bands. The Earth provider gets connected to the torque converter housing by a clutch. The compact Solar will get disconnected from the turbine by a clutch to ensure that it may freewheel. https://gearboxauto59247.humor-blog.com/32749579/5-tips-about-gearbox-auto-you-can-use-today