Present day torque converters use electro hydraulic Manage to the lock-up clutch. The hydraulic circuit which locks/unlocks the torque converter clutch is managed making use of hydraulic valves. The valves are actuated directly or indirectly by solenoids. Visible Inspection:  Get started with a simple visual inspection. Search for any signs https://torque-converter-clutch26802.bloggactif.com/35252119/considerations-to-know-about-torque-converter-clutch