The control of the oil strain during the lock-up clutch is done through two valves: the relay valve and the signal valve. In this sort of arrangement the signal valve controls the tension on a person aspect in the relay valve, which controls the tension during the lock-up clutch. By https://johnnyaddbx.tokka-blog.com/34511717/how-torque-converter-clutch-can-save-you-time-stress-and-money