Once the throttle is opened large, the engine speed boosts, and also the pump moves a lot quicker projecting the oil towards the turbine. The torque converter clutch solves this by locking the turbine towards the converter’s housing, thus creating a immediate, slip-cost-free link in between the engine and transmission. https://angelopomml.blogsvila.com/34124016/new-step-by-step-map-for-torque-converter-clutch