The torque converter clutch solenoid is often energised (caught on) which translates into the torque converter getting often locked. In the torque converter there are no less than 3 rotating aspects: the impeller, and that is mechanically pushed with the primary mover; the turbine, which drives the load; along with https://trentonenrtv.therainblog.com/32898021/torque-converter-clutch-an-overview