The Charge of the oil force in the lock-up clutch is finished via two valves: the relay valve as well as the sign valve. In this sort of arrangement the signal valve controls the strain on one facet of your relay valve, which controls the force inside the lock-up clutch. https://damieniomlj.blog2freedom.com/34252358/5-tips-about-torque-converter-clutch-you-can-use-today