Ford Mustang (1999-2004) Service Manual: 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

4R70W Automatic Transmission

    Automatic Transaxle/Transmission
    General Specifications a - MERCON V is not interchangeable at this time with the current MERCON fluids. Check the transmission fluid level indicator to determine the correct fluid and refer to the ...

    Identification Tags
    All vehicles are equipped with a Vehicle Certification Label, located on the driver side door lock post. For correct transmission identification, refer to the code in the space marked TR. ...

    Other materials:

    Inspection and Verification
    WARNING: A vehicle equipped with a Traction-Lok differential will always have both wheels driving. If, while the vehicle is being serviced, only one wheel is raised off the ground and the rear axle is driven by the engine, the wheel on the ground could drive ...

    Assembly
    1. CAUTION: Before beginning assembly, carry out and inspect the following: When building up subassemblies and assembling the transmission, ALWAYS use new gaskets and seals. All fasteners must be tightened to the torque specification indicated. In addition ...

    Accelerator Cable - Supercharged Engine
    Removal and Installation 1. Push the accelerator cable nylon bushing out of the accelerator pedal and shaft arm. 2. Disconnect the accelerator cable from the throttle cam. 3. Depress the tabs and disconnect the accelerator cable from the bracket. 4. Rel ...