The control of the oil force while in the lock-up clutch is completed via two valves: the relay valve and the sign valve. In this type of arrangement the signal valve controls the pressure on one facet of the relay valve, which controls the pressure in the lock-up clutch. By https://marcocjlkk.designi1.com/55363506/how-much-you-need-to-expect-you-ll-pay-for-a-good-torque-converter-clutch