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:

    Torque Converter (Disassembly and Assembly of Subassemblies)
    1. A new or remanufactured torque converter must be installed if one or more of the following statements is true: A torque converter malfunction has been determined based on complete diagnostic procedures. Converter stud or studs, impeller hub or bushin ...

    Hydraulic Control Unit
    Removal 1. Disconnect the battery ground cable(14301). 2. Disconnect the anti-lock-brake control module electrical connector. 3. NOTE: The 4 wheel anti-lock brake system (4WABS) with traction control is shown , the 4WABS without traction control system is ...

    Seat Track
    Removal and Installation 1. Remove the front seat. For additional information, refer to Seat-Front Power in this section. 2. Remove the outboard seat trim shield. 3. Disconnect the electrical connector. 4. Remove the seat track bolts. 5. To install, ...