Ford Mustang Service Manual: 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 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


    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 conver ...

    1-2 Accumulator
    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:

    Belt Minder Deactivating/Activating
    Gauges And Warning Devices Refer to Wiring Diagrams Cell 59 , Generic Electronic Module for schematic and connector information. Refer to Wiring Diagrams Cell 60 , Instrument Cluster for schematic and connector information. Refer to Wiring Diag ...

    Spark Plug
    Engine Ignition (Description and Operation) Eight separate ignition coils (12029): are mounted directly above each spark plug (12405). are controlled by the powertrain control module (PCM) for correct firing sequence. The spark plug: changes t ...

    Removal
    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 ...