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
WARNING: A vehicle equipped with a Traction-Lok differential will
always have both
wheels driving. If, while the vehicle is being serviced, only one wheel is
raised off the ground
and the rear axle is driven by the engine, the wheel on the ground could drive ...
Assembly
1. CAUTION: Before beginning assembly, carry out and inspect the
following:
When building up subassemblies and assembling the transmission, ALWAYS use new
gaskets and seals.
All fasteners must be tightened to the torque specification indicated. In
addition ...
Accelerator Cable - Supercharged Engine
Removal and Installation
1. Push the accelerator cable nylon bushing out of the accelerator pedal and
shaft arm.
2. Disconnect the accelerator cable from the throttle cam.
3. Depress the tabs and disconnect the accelerator cable from the bracket.
4. Rel ...
