General 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 geartrain that includes:
- Compound planetary gearset.
- Chain drive.
- Planetary gearset final drive.
- Pinion and side gear differential.
The hydraulic control system of the CD4E 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.