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:
Personal Safety System
The Personal Safety System provides an improved overall level of frontal
crash protection to front seat occupants and is designed to help further
reduce the risk of airbag-related injuries. The system is able to analyze
different occupant conditions and crash ...
Removal
All vehicles
1. Remove the air intake scoop. For additional information, refer to Section.
2. Remove the Hydro-Boost brake booster. For additional information, refer to
Section..
3. Raise and support the vehicle. For additional information, refer to Section ...
Clutch Pedal - Quadrant and Pawl Assembly
Removal
1. Disconnect the battery ground cable (14301).
2. Loosen the nut from inside the engine compartment.
3. Loosen the nuts from inside the vehicle.
4. Loosen the screw.
5. Disconnect the brake pedal position (BPP) switch electrical connector.
...
