The Charge of the oil force in the lock-up clutch is done by means of two valves: the relay valve plus the sign valve. In this type of arrangement the sign valve controls the pressure on a single facet from the relay valve, which controls the stress within the lock-up https://torque-converter-clutch11863.59bloggers.com/34697398/helping-the-others-realize-the-advantages-of-torque-converter-clutch