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:

    Engine (Installation)
    Special Tool(s) Lifting Bracket, Engine 303-D087 (D93P-6001-A1) Lifting Bracket, Engine 303-D088 (D93P-6001-A2) Installer Set, Teflon Seal 211-D027 (D90P-3517A) or equivalent Spreader Bar 303-D089 (D9 ...

    Removal
    1. Remove the roller followers. For additional information, refer to Roller Followers in this section. 2. Remove the spark plugs. For additional information, refer to Section . 3. Position the piston of the cylinder being serviced at the bottom of the stro ...

    Disassembly
    Initial disassembly 1. Remove the differential housing cover (4033) and drain the lubricant into a suitable container. 2. Wipe the lubricant from the internal working parts and inspect the parts for wear and damage. 3. Using the special tool, measure and n ...