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:
Input Shaft and Bearing
Special Tool(s)
Plate, Bearing/Oil Seal
205-090 (T75L-1165-B)
Puller, Bearing
205-D064 (D84L-1123-A)
Installer, Drive Pinion Bearing
Cone
205-004 (T53T-4621-B)
Adapter Set, Step Plate
205-DS011 (D80L-630 ...
Booster seats
WARNING: Never place, or allow a child to place, the shoulder
belt under a child’s arm or behind the back because it reduces
the protection for the upper part of the body and may increase the risk
of injury or death in a crash.
Use a belt-positioning booster ...
Assembly
1. Lubricate all components with the recommended transmission fluid when
reassembling.
2. Using the special tools, press the output shaft front bearing on the output
shaft.
3. Install the third gear bearing.
Apply petroleum jelly to the bearing.
4. I ...
