The 4T45 - E is a four - speed, electronically controlled, automatic overdrive transaxle with an electronically controlled torque converter clutch noted for its low noise, high durability and smooth shifting. (speedsportlife.com)
Road test the vehicle and monitor TCC % solenoid command state — duty cycle and TC SLIP ACT torque converter clutch slippage — rpm, while in 2nd, 3rd or 4th gear with a TCC % reading 0. (autoserviceprofessional.com)
• Adapts the 4L60 or 700R4 automatic transmission (non-electronic version) for use in early - model vehicles, with or without an engine management computer • Includes instruction sheet, throttle valve spring for carbureted engines, a normally - closed fourth - gear clutch switch and wiring connector for the torque converter (chevroletperformanceparts.com)