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:
Motor - Windshield Wiper
Removal
CAUTION: The internal permanent magnets used in the windshield
wiper motor are made
of a glass-like material. To avoid damaging the magnets, do not strike
the motor with a hammer
or any other object.
NOTE: The windshield wiper motor is n ...
Removal
1. Disconnect the battery ground cable. For additional information, refer
to Section.
2. Raise and support the vehicle. For additional information, refer to
Section.
3. Place a drain pan under the transmission fluid pan.
4. Drain transmission fluid.
...
Axle information
Traction-Lokâ„¢ Axle (If Equipped)
This axle provides added traction on slippery surfaces, particularly when
one wheel is on a poor traction surface. Under normal conditions, the
Traction-Lokâ„¢ axle functions like a standard rear axle.
Extended use of other ...
