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:

    Symptom Chart
    Condition Possible Sources Action Dogtracking Excessive rear thrust angle. Front or rear suspension components. Drive axle damaged. CHECK the wheel alignment. ADJUST as necessary INSPE ...

    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 ...

    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 ...