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:
General information
WARNING: Extended idling at high engine speeds can produce
very high temperatures in the engine and exhaust system,
creating the risk of fire or other damage.
WARNING: Do not park, idle, or drive your vehicle on dry grass
or other dry ground cover. The emissio ...
Installation
Using special tool 205-054
NOTE: This is the preferred method for installing the pinion bearing
cups. If necessary, proceed to
Using special tools 205-153, 205-054, and 205-D055 in this procedure for an
alternate method.
1. Position the special tools and th ...
Air Bag Supplemental Restraint System (SRS) (Diagnosis and Testing)
Refer to Wiring Diagrams Cell 46 , Air Bag for schematic and connector
information.
Special Tool(s)
Diagnostic Tool, Restraint
System
418-F088 (105-R0012)
Restraint System Diagnostic Tool Warning
WARNING: This tool is for restraint system se ...
