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:
Module Configuration
Module Configuration (Diagnosis and Testing)
Special Tool(s)
Worldwide Diagnostic System
(WDS)
418-F224
New Generation STAR (NGS)
Tester
418-F052 or equivalent
diagnostic tool
Principles of Operation
Some modules must be programme ...
Spark Plug Wire
Special Tool(s)
Remover, Spark Plug Wire
303-106 (T74P-6666A)
Material
Item
Specification
Silicone Brake Caliper Grease
and Dielectric Compound
D7AZ-19A331-A or equivalent
ESE-M1C171-
A
Removal and Installation
CAUTION: ...
Intake Manifold Runner Control (IMRC) Actuator - 3.8L
Removal and Installation
1. Disconnect the battery ground cable. For additional information,
refer to Section.
2. Drain the cooling system. For additional information, refer to
Section.
3. Remove the upper intake manifold. For additional informat ...
