Ford Mustang Service Manual: Planetary Gear Support Assembly and Planetary 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. Inspect the clutch cylinder thrust surfaces, piston bore and clutch plate serrations for scores or burrs. Minor scores or burrs may be removed with crocus cloth. Install a new clutch ...

    Reverse Sun Gear
    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:

    Manual seats
    WARNING: Do not adjust the drivers seat or seatback while the vehicle is moving. WARNING: Rock the seat backwards and forwards after releasing the lever to make sure that it is fully engaged. Moving the seats backward and forward Recline adjustment ...

    Removal
    Removal Both mounts 1. Disconnect the battery ground cable. For additional information, refer to Section. 2. Remove the coolant bypass tube. For additional information, refer to Section. 3. Rotate the drive belt tensioner clockwise and detach the drive belt ...

    Plenum Chamber
    Air Distribution NOTE: The air distribution system of this vehicle cannot be equipped with a cabin air filter. There are two sources of air available to the air distribution system: outside air recirculated air Recirculated air is only used during MAX A/ ...