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:
Assembly
1. NOTE: One tab that locks the reverse clutch drum into the reverse
sun shell may be removed.
This is done for balancing purposes.
Inspect the clutch cylinder thrust surfaces, piston bore and clutch plate
serrations for scores or
burrs. Minor scores or bu ...
Diagnostic Strategy
Troubleshooting an electronically controlled automatic transmission
is simplified by using the proven
method of diagnosis. One of the most important things to remember is
that there is a definite
procedure to follow.
NOTE: Do not take any short cut ...
Removal
Convertible
1. For removal of the back window glass, refer to Section.
Coupe
WARNING: To prevent glass splinters from entering eyes or
cutting hands, wear safety
glasses and heavy gloves when cutting glass from the vehicle.
2. Remove the roof side ...
