Ford Mustang Service Manual: Diagnostics

Transmission Description (Description and Operation)

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, one one-way roller clutch, one mechanical diode and four friction clutches to produce four forward gears and Reverse.

4R70W Automatic Transmission

Identification Tags


    Torque Converter Diagnosis
    Transmission Description (Description and Operation) The 4R70W has the following features: Wide ratio gears Four speeds Rear wheel drive Automatic Electronic shift Torque conver ...

    Output State Control (OSC) Mode
    Transmission Description (Description and Operation) The 4R70W has the following features: Wide ratio gears Four speeds Rear wheel drive Automatic Electronic shift Torque conver ...

    Other materials:

    Checking MyKey system status
    You can find information about your programmed MyKeys by using the information display. MYKEY DISTANCE Tracks the distance when drivers use a MyKey. The only way to delete the accumulated distance is by using an admin key to clear your MyKey. If the dis ...

    Fuel Injection Supply Manifold
    Fuel Charging And Controls The fuel injection supply manifold (9F792): delivers fuel to the fuel injector. receives fuel from the fuel supply line. The throttle body (9E926): controls air supply to the upper intake manifold (9424) by positioning the th ...

    Opening and closing the hood
    1. Inside the vehicle, pull the hood release handle located on the driver’s side kick panel. 2. Go to the front of the vehicle and release the auxiliary latch that is located under the front center of the hood. 3. Lift the hood and secure it with the ...