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:

    Lamp Assembly - Rear
    Removal 1. Position the luggage compartment trim aside. Remove the two retainers. 2. Remove the four rear lamp nuts. 3. Remove the rear lamp assembly, disconnect the electrical connectors and replace the bulbs if necessary. Installation 1. To ins ...

    Installation
    1. CAUTION: Do not allow grease, oil, brake fluid or other contaminants to contact the pad lining material. Do not install contaminated pads. NOTE: Install all hardware supplied with pad kits. Install the pads. 1. Install the new pad slippers. ...

    Component Tests
    Starter Motor -Voltage Drop Test WARNING: When servicing starter motor or carrying out other underhood work in the vicinity of the starter motor, be aware that the heavy gauge battery input lead at the starter solenoid is "electrically hot" at all times. A p ...