Ford Mustang Service Manual: Intermediate One-Way Clutch

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


    Assembly
    Disassembly 1. Remove the No. 1 selective pump support thrust washer. 2. Remove the front pump support. 1. Remove the bolts. 2. Remove the front pump support. 3. Remove the seal rings. 4. R ...

    Reverse Clutch
    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 Automatic transmission vehicles 1. Remove the flexplate. For additional information, refer to Flexplate in this section. Manual transmission vehicles 2. Remove the flywheel. For additional information, refer to Flywheel in this section. All vehicles ...

    Pressure Relief
    Fuel System (Description and Operation) Component Location   WARNING: Do not smoke or carry lighted tobacco or open flame of any type when working on or near any fuel-related components. Highly flammable mixtures are always present and may be ignite ...

    Differential Pressure Feedback Exhaust Gas Recirculation (EGR) System
    Engine Emission Control (Description and Operation) CAUTION: Do not remove any part of the engine emission control system. Operating the engine without the engine emission control system will reduce fuel economy and engine ventilation. This will weaken engin ...