The Charge of the oil pressure from the lock-up clutch is completed via two valves: the relay valve and also the signal valve. In such a arrangement the sign valve controls the force on one particular side from the relay valve, which controls the stress within the lock-up clutch. By https://torque-converter-clutch86307.blogdanica.com/34209013/not-known-facts-about-torque-converter-clutch