Ford Mustang Service Manual: Planetary Gear Support Assembly and Planetary One-Way Clutch

Ford Mustang Service Manual / Automatic Transmission / Automatic Transaxle/Transmission / 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:

    Disc
    Front Disc Brake (Description and Operation) Front Disc Brake Components   Disc Brake Caliper Components   The front disc brake caliper (2B120): bolts to the front disc brake caliper anchor plate (2B292), which bolts to the front wh ...

    Oil Pan
    Engine       A modular engine is built around four modules: the intake module the cylinder head module (RH) the cylinder head module (LH) the lower engine module While not all repairs can take advantage of the modular conc ...

    Hill start assist
    WARNING: The hill start assist feature does not replace the parking brake. When you leave the vehicle, always apply the parking brake and shift the transmission into position P for automatic transmission or position 1 for manual transmissions. WARNING: Yo ...