Ford Mustang Service Manual: Reverse Servo Assembly

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


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

    Overdrive Servo
    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:

    Removal
    Removal CAUTION: Electronic modules are sensitive to static electrical charges. If exposed to these charges, damage may result. 1. Remove the driver air bag module. For additional information, refer to Section. 2. Remove the passenger air bag mo ...

    Transmission Drive Cycle Test
    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 transm ...

    Climate Control System (Diagnosis and Testing)
    Climate Control System (Description and Operation) WARNING: To avoid accidental deployment and possible injury, the air bag system backup power supply must be depleted before repairing any climate control components. To deplete the backup power supply, disco ...