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:

    Switch
    Removal 1. Remove the climate control assembly. For additional information, refer to Control Assembly in this section. 2. NOTE: All three switches are removed the same. Remove the knob. 3. Remove the screw. 4. Rotate the switch and remove it from the cont ...

    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. For model, service ID level or build date information, refer ...

    Degas Bottle
    Removal and Installation 1. Drain the coolant. For additional information, refer to Supercharger Cooling System Draining, Filling and Bleeding in this section. 2. Disconnect the coolant hoses. 3. Remove the bolts and the degas bottle. 4. To install ...