Transaxle Description

Transaxle Description
The CD4E automatic transaxle is a four - speed, front wheel drive automatic unit with electronic controls for:
^ Electronic Pressure Control (EPC) for shift quality
^ shift scheduling
^ 3 - 2 shift timing
^ coast braking
^ Torque Converter Clutch (TCC) control





Transaxle View
The transaxle features a four-element torque converter with a torque converter clutch and gear train that includes:
^ compound planetary gear set
^ chain drive
^ planetary gear set final drive
^ pinion and side gear differential

The hydraulic control system of the CD4E automatic transaxle has five solenoids that control:
^ shift feel (through line pressure control)
^ shift scheduling (through shift valve position control)
^ modulated application of the torque converter clutch
^ timing of 3 - 2 shifts
^ engine braking during coast operation