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:

    Connecting Rod - Twist
    1. Measure the connecting rod twist on a suitable alignment fixture. Follow the instructions of the fixture manufacturer. Verify the measurement is within specification. Refer to the appropriate section in Group for the procedure. If out of specificat ...

    Cylinder Block Core Plug Replacement
    Special Tool(s) Slide Hammer 100-001 (T50T-100-A) Material 1. Use a slide hammer or tools suitable to remove the cylinder block core plug. 2. Inspect the cylinder block plug bore for any damage that would interfere with the correct sealing ...

    Input Shaft and Bearing
    Special Tool(s) Plate, Bearing/Oil Seal 205-090 (T75L-1165-B) Puller, Bearing 205-D064 (D84L-1123-A) Installer, Drive Pinion Bearing Cone 205-004 (T53T-4621-B) Adapter Set, Step Plate 205-DS011 (D80L-630 ...