Description

The 4R70W has the following features:
- Wide ratio gears.
- Four speeds.
- Rear wheel drive.
- Automatic.
- Electronic shift.
- Torque converter clutch control.
- Line pressure controls.

The transmission uses Ravigneaux-style double-pinion gearset with two bands, two one-way roller clutches and four friction clutches to produce four forward gears and Reverse.