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:
Manual Transmission
The TR3650 five-speed manual transmission features the following:
The fifth speed gear functions as an overdrive gear.
The forward gears are synchronized and helical cut.
The reverse gear operates through a constant-mesh, fully
synchronized system.
...
Crash sensors and airbag indicator
WARNING: Modifying or adding equipment to the front end of
your vehicle (including frame, bumper, front end body structure
and tow hooks) may affect the performance of the airbag system,
increasing the risk of injury. Do not modify the front end of your
vehicl ...
Wipers and Washers (Diagnosis and Testing)
Refer to Wiring Diagrams Cell 59 , Generic Electronic Module for
schematic and connector
information.
Refer to Wiring Diagrams Cell 81 , Interval Wiper/Washer for schematic
and connector information.
Special Tool(s)
Alternator, Regulato ...
