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:
Driveline System
Special Tool(s)
Clamp Plate
205-320 (T92L-4851-C)
Clutch Housing Alignment
Adapter
308-021 (T75L-4201-A)
Companion Flange Holding
Tool
205-126 (T78P-4851-A)
Companion Flange Runout
Gauge
205-319 (T92 ...
Removal
1. CAUTION: The vehicle must be on level ground and at curb height.
Mark the rear shock absorbers relative to their protective sleeve.
During installation, raise the suspension to this reference mark before
tightening the
suspension component fasteners.
...
Principles of Operation
The vehicle has two module communications networks. The standard
corporate protocol (SCP) which
is an unshielded twisted pair cable (data bus plus, Circuit 914 [TN/OG] and
data bus minus, Circuit 915
[PK/LB]), and the international standards organization ...
