The torque converter clutch solenoid is often energised (trapped on) which translates into the torque converter being usually locked. As you may see, there in no immediate (mechanical) relationship involving the impeller and also the turbine. The ability involving the motor and transmission is transferred through the fluid in motion. https://milodowfl.bloguerosa.com/32970932/not-known-facts-about-torque-converter-clutch