Ford Mustang Service Manual: Hydraulic System

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


    Apply Components
    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 Electronic Control System
    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:

    Clutch Pedal - Quadrant and Pawl Assembly
    Clutch Controls (Description and Operation)   The clutch control system engages and disengages the clutch. The clutch control system disengages the clutch when the clutch pedal is depressed and engages the clutch when the clutch pedal is released. ...

    Evaporative Emission Canister Purge Valve
    Evaporative Emissions (Description and Operation) Component Location   The evaporative emission system: is equipped with an on-board refueling vapor recovery (ORVR) system. prevents hydrocarbon emissions from reaching the atmosphere. stores f ...

    Pinpoint Tests
    Inspection and Verification 1. Verify the customer's concern by operating the climate control system to duplicate the condition. 2. Inspect to determine if one of the following mechanical or electrical concerns apply: Visual Inspection Chart Mechan ...