Ford Mustang Service Manual: Geartrain

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


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

    Apply Components
    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:

    Cleaning the exterior
    Wash your vehicle regularly with cool or lukewarm water and a neutral pH shampoo, such as Motorcraft Detail Wash. Do not use a commercial or high-pressure wand on the surface or edge of stripes and graphics. This can cause damage to the film and cause ...

    Apply Components
    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 ...

    Valve Stem to Valve Guide Clearance
    Engine (Diagnosis and Testing) Special Tool(s) Commercially Available Leakdown Tester Quick Disconnect Compression Tester 134-R0212 or equivalent Dial Indicator Gauge Adapter 303-007 (TOOL-6565-AB) or equivalent Di ...