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:
Cabin air filter
Note: Make sure you have a cabin air filter installed at all times.
This
prevents foreign objects from entering the system. Running the system
without a filter in place could result in degradation or damage to the
system.
Your vehicle is equipped with a cabi ...
Rear Drive Halfshafts (Description and Operation)
The rear wheel drive halfshaft system consists of and operates as
follows:
Halfshafts (4K138) transmit engine torque from the rear axle housing to
the rear wheels.
Halfshafts rotate at approximately one-third the speed of a driveshaft
and do not cont ...
Air Conditioning (A/C) System Recovery, Evacuation and Charging
Special Tool(s)
R-134a A/C Refrigerant Center
176-00002 or equivalent
R-134a A/C Refrigerant Center
023-00153 or equivalent
R-134a Manifold Gauge Set
176-R032A or equivalent
1.2 CFM Vacuum Pump
023-00162 o ...
