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:

    Parking Brake (Description and Operation)
      The parking brake system is cable-actuated and controlled by an independent hand-operated parking brake control (2780). To apply parking brake, pull parking brake control upward as far as possible. The parking brake system is an AUTO-ADJUST system ...

    Assembly
    1. NOTE: Lubricate direct clutch piston inner seal and seal protector with petroleum jelly. Using the special tool, install the inner piston seal. Install the seal with sealing lip facing down. 2. Install the clutch piston outer seal so that when the pis ...

    Installation
    LH mount 1. Position the engine mount and install the bolt and studbolts. 2. Attach the ground cables and install the nuts. RH mount 3. Position the engine mount and install the bolts and studbolt. 4. Attach the wiring harness and install the nut. Both ...