Ford Mustang Service Manual: Output State Control (OSC) Mode

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


    Diagnostics
    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 Drive Cycle Test
    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:

    Driveshaft Slip Yoke
    Driveshaft (Description and Operation)   NOTE: All driveshaft assemblies are balanced. If undercoating the vehicle, protect the driveshaft to prevent overspray of any undercoating material. The driveshaft has the following features: A tubular shaft u ...

    Removal
    Removal 1. Disconnect the battery negative cable. 2. Drain the engine cooling system. 3. Remove the RH exhaust manifold. For additional information, refer to Exhaust Manifold RH in this section. 4. Remove the lower intake manifold. For additional informa ...

    Parking brake
    WARNING: If the parking brake is fully released, but the brake warning lamp remains illuminated, the brakes may not be working properly. See your authorized dealer as soon as possible. WARNING: Always set the parking brake fully and make sure that the tra ...