Based on the quantity of passages (ports) for controlling the oil movement through the torque converter clutch, there are plenty of sorts of torque converters: A torque converter clutch solenoid is actually a specialized electromagnetic device that opens and closes in response to requests by a car’s transmission control module https://torqueconverterclutch96317.spintheblog.com/34374787/the-torque-converter-clutch-diaries