Ford Mustang Service Manual: Leakage Inspection

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


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

    Transmission Fluid Cooler
    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:

    Symptom Chart
    Inspection and Verification 1. Verify the customer concern by operating the engine to duplicate the condition. 2. Visually inspect for obvious signs of mechanical damage. Refer to the following chart. Visual Inspection Chart Mechanical ...

    Ignition Coil - Coil On 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 ...

    Crankshaft Rear Seal
    Engine Component View Cylinder Heads and Valve Train Components   Engine Front Cover Components   Engine Components   Cylinder Block and Lower End Components   Engine (DIAGNOSIS AND TESTING) Refer to Section for basic mecha ...