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:
Unique Calibration
The Emissions/CAFE/CO2 Compliance Department is responsible for assigning
these calibration
numbers. Unique calibration identifications are assigned to cover similar
vehicles to differentiate tires,
drive configurations, final drive ratios and other calibrat ...
Supercharger Cooling System Flushing
1. WARNING: Never remove the pressure relief cap while the engine is
operating or
when the cooling system is hot. Failure to follow these instructions can result
in damage
to the cooling system or engine or personal injury. To avoid having scalding hot
cool ...
Removal
1. Drain the engine cooling system.
2. Remove the air cleaner outlet tube.
3. Disconnect the fuel line.
4. Disconnect the upper radiator hose from the water outlet connector.
5. Disconnect and remove the upper radiator hose.
6. Disconnect the acce ...
