Ford Mustang Service Manual: Torque Converter Diagnosis

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

Identification Tags


    Shift Point Road Test
    Transmission Description (Description and Operation) The 4R70W has the following features: Wide ratio gears Four speeds Rear wheel drive Automatic Electronic shift Torque conver ...

    Diagnostics
    Transmission Description (Description and Operation) The 4R70W has the following features: Wide ratio gears Four speeds Rear wheel drive Automatic Electronic shift Torque conver ...

    Other materials:

    Installation
    Removal 1. Raise and support the vehicle. 2. Remove the wheel and tire assembly. 3. Remove the rear brake disc (2C026). 4. Remove the differential housing cover (4033) and drain the lubricant. For additional information, refer to Differential Housing Co ...

    Unique Calibration
    Vehicle Identification Number (VIN) Locator The vehicle identification number (VIN) is a seventeen-digit alphanumeric code. The VIN is stamped on a metal tab riveted to the instrument panel, top upper left of the dash. The VIN number is also found on the v ...

    Removal
    Removal 1. Remove the differential assembly from the differential housing. For additional information, refer to Differential Case in this section. 2. CAUTION: Record the torque necessary to maintain rotation of the drive pinion gear through several revoluti ...