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

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:
Principles of Operation
There are four main principles involved with the basic theory of
operation:
heat transfer
latent heat of vaporization
relative humidity
effects of pressure
Heat Transfer
If two substances of different temperature are placed near each other,
t ...
Torque Converter Diagnosis
Prior to the installation of a new or remanufactured torque
converter, all diagnostic procedures must be
followed. This is to prevent the unnecessary installation of torque
converters. Only after a complete
diagnostic evaluation can the decision be m ...
Power windows
WARNING: Do not leave children unattended in your vehicle
and do not let children play with the power windows. They may
seriously injure themselves.
WARNING: When closing the power windows, you should verify
they are free of obstructions and make sure that chi ...
