Automatic Transaxle - Overhaul [CD4E]: Overview Mazda Tribute I

TRANSAXLE DESCRIPTION

The CD4E automatic transaxle is a four-speed, front wheel drive automatic transaxle with electronic controls for

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1. Electronic pressure control (EPC) solenoid for shift quality.
2. Shift scheduling.
3. 3-2 shift timing.
4. Coast braking.
5. Torque converter clutch control.

The transaxle features a four element torque converter with a torque clutch and a geartrain that includes

1. Compound planetary gearset.
2. Chain drive.
3. Planetary gearset final drive.
4. Pinion and side gear differential.

The hydraulic control system of the transaxle has five solenoids that control

1. Shift feel, through line pressure control.
2. Shift scheduling, through shift valve positioning control.
3. Modulated application of the torque converter clutch.
4. Timing of 3-2 shifts.
5. Engine braking during coast operation.

IDENTIFICATION TAGS

When servicing the automatic transaxle, refer to the identification tag located on the case.

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