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:
Installation
1. CAUTION: The actuator adjustment tool included with the
replacement actuator kit
must be used when installing the supercharger bypass vacuum actuator.
Failure to
correctly adjust the actuator will result in incorrect operation of the
supercharg ...
Camshaft Roller Follower
Special Tool(s)
Compressor, Valve Spring
(Intake)
303-452 (T93P-6565-AR)
Compressor, Valve Spring
(Exhaust)
303-567 (T97P-6565-AH)
Removal
1. Remove the valve cover. For additional information, refer to Valve Cover
LH or Valv ...
Clearing all MyKeys
You can clear all MyKeys within the same key cycle as you created the
MyKey. If you switch your ignition off, however, you will need to use an
admin key to clear your MyKeys.
Note: When you clear your MyKeys, you remove all restrictions and
return all MyKeys ...
