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:

    Air Intake Scoop
    Removal and Installation 1. Disconnect the air intake scoop outlet from the air cleaner. 2. Disconnect the air intake scoop water drain hoses. 3. Remove the air intake scoop from the air intake scoop bracket. Remove the two air intake scoop bolts. L ...

    Idle Air Control (IAC) Valve - Mach I
    Removal and Installation 1. Remove the air intake scoop. For additional information, refer to Section. 2. Disconnect the idle air control (IAC) valve electrical connector. 3. Remove the bolts, the IAC valve and the gasket. 4. NOTE: Install a new ga ...

    Exhaust System (Description and Operation)
    WARNING: The normal operating temperature of the exhaust system is very high. Never attempt to repair any part of the system until it has cooled. Be especially careful when working around the three way catalytic converter. The temperature of the three way c ...