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:

    Fittings - Vapor Tube
    Disconnect 1. WARNING: The evaporative emission system contains fuel vapor and condensed fuel vapor. Although not present in large quantities, it still presents the danger of explosion or fire. Disconnect the battery ground cable from the battery to minimiz ...

    Installation
    1. CAUTION: Lubricate the filler pipe check valve area and the tank-to-filler pipe grommet with Serfactant prior to assembly or damage to the filler pipe check valve will occur. NOTE: A new grommet must be used for the installation procedure due to its dest ...

    Troubleshooting
    Your SYNC system is easy to use. However, should questions arise, see the tables below. Use the website at any time to check your phone’s compatibility, register your account and set preferences as well as access a customer representative via an online chat ...