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:
Thermostat - 3.8L
Material
Item
Specification
Gasket Adhesive
TA-6 or equivalent
WSS-M2G408-
A
Motorcraft Premium Gold
Engine Coolant
VC-7-A (in Oregon VC-7-B)
(yellow color)
WSS-M97B51-
A1
Removal and Installation
1. Drain the engine cool ...
Speed Control
Torque Specifications
Speed Control
The speed control system consists of the following components:
speed control actuator cable (9A825)
deactivator switch
output shaft sensor (OSS)
speed control actuator switches (9C888)
brake pedal position (BPP) switc ...
Transmission Fluid Cooler Tubes
Removal
1. Disconnect the battery cables.
2. Raise and support the vehicle. For additional information, refer to Section.
3. Remove the nuts.
4. Remove the fluid cooler tube bracket at the engine.
5. NOTE: Use a backup wrench to hold the case fitting sec ...
