How Does A 700R4 Torque Converter Lockup?

How Does A 700R4 Torque Converter Lockup? The TCC solenoid engages, locking up the converter. When the trans downshifts to Third gear, the pressure switch opens, interrupting flow through the relay to unlock the TCC solenoid. Alternatively, the driver can unlock the converter at any time by toggling the dash switch to the “Off” position. … Continue reading How Does A 700R4 Torque Converter Lockup?