Ford Mustang (1999-2004) Service Manual: 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

4R70W Automatic Transmission

    Automatic Transaxle/Transmission
    General Specifications a - MERCON V is not interchangeable at this time with the current MERCON fluids. Check the transmission fluid level indicator to determine the correct fluid and refer to the ...

    Identification Tags
    All vehicles are equipped with a Vehicle Certification Label, located on the driver side door lock post. For correct transmission identification, refer to the code in the space marked TR. ...

    Other materials:

    Catalyst Monitor Sensor
    Special Tool(s) Socket, Exhaust Gas Oxygen Sensor 303-476 (T94P-9472-A) Material Item Specification Penetrating and Lock Lubricant or equivalent E8AZ-19A501- B Removal and Installation 1. Disconnect the battery ground ...

    Output State Control (OSC) Mode
    Output State Control (OSC) allows the technician to take control of certain parameters to function the transmission. For example, OSC allows the technician to shift the transmission only when he/she commands a gear change. If the technician commands ...

    Steering Wheel
    Adjusting the steering wheel WARNING: Do not adjust the steering wheel when your vehicle is moving. Note: Make sure that you are sitting in the correct position. See Sitting in the Correct Position in the Seats chapter. 1. Unlock the steering column. 2. Adju ...