Transaxle Description

Transaxle Description
The CD4E automatic transaxle is a four-speed, front wheel drive automatic transaxle with electronic controls for:
^ Electronic Pressure Control (EPC) solenoid for shift quality.
^ Shift scheduling.
^ 3-2 shift timing.
^ Coast braking.
^ Torque converter clutch control.

The transaxle features a four element torque converter with a torque clutch and a geartrain that includes:
^ Compound planetary gearset.
^ Chain drive.
^ Planetary gearset final drive.
^ Pinion and side gear differential.

The hydraulic control system of the transaxle has five solenoids that control:
^ Shift feel, through line pressure control.
^ Shift scheduling, through shift valve positioning control.
^ Modulated application of the torque converter clutch.
^ Timing of 3-2 shifts.
^ Engine braking during coast operation.