Ford Mustang Service Manual: 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 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


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

    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 conver ...

    Other materials:

    Air Conditioning Line (Peanut) Fitting
    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 ...

    Air Conditioning (A/C) System Flushing
    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 ...

    Output Shaft
    Manual Transmission The TR3650 five-speed manual transmission features the following: The fifth speed gear functions as an overdrive gear. The forward gears are synchronized and helical cut. The reverse gear operates through a constant-mesh, fully ...