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:

    Brake System (Diagnosis and Testing)
    Refer to Wiring Diagrams Cell 60, Instrument Cluster for schematic and connector information. Refer to Wiring Diagrams Cell 97, Daytime Running Lamps for schematic and connector information. Special Tool(s) 73 Digital Multimeter 105-R0051 or Equiva ...

    On-board Diagnostics (OBD-II)
    Your vehicle is equipped with a computer that monitors the engine’s emission control system. This system is commonly known as the on-board diagnostics system (OBD-II). The OBD-II system protects the environment by ensuring that your vehicle continues to meet ...

    Extension Housing Seal and Gasket
    Special Tool(s) Slide Hammer 100-001 (T50T-100-A) Installer, Transmission Extension Housing Fluid Seal 308-002 (T61L-7657-A) Remover, Transmission Fluid Seal 307-048 (T74P-77248-A) Removal 1. Drain the transmiss ...