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.