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:
Inspection and Verification
1. Verify the customer concern by operating the wiper/washer system.
2. Visually inspect for obvious signs of mechanical and electrical
damage.
Visual Inspection Chart
Mechanical
Electrical
Hoses to windshield washer pump
Wiper l ...
Torque Converter Leak Check
Special Tool(s)
Leak Tester, Torque Converter
307-421
1. Clean the outside surface of the torque converter.
2. Install the special tool into the converter hub.
3. WARNING: Always follow correct safety procedures while using press.
Failure t ...
Heated windows and mirrors (if equipped)
Heated Rear Window
Note: The vehicle must be running to use this feature.
Press the control to clear the rear window of thin ice and fog. Press the
control again within 15 minutes to switch it off. It turns off automatically
after approximately 15 minutes, or ...
