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:
Rear Window Glass
Special Tool(s)
Rotunda Pneumatic Knife with
Offset Blade
107-R1511 or equivalent
The Pumper
164-R2459 or equivalent
Rotunda Interior Auto Glass
Cut-Out Knife Kit
164-R2450 or equivalent
...
Pinpoint Tests
CAUTION: Be careful when probing the CJB, battery junction box (BJB)
or any
connectors. Damage will result to the connector receptacle if the probe or
terminal being used
is too large.
CAUTION: Electronic modules are sensitive to static electrical char ...
Installation
WARNING: To reduce the risk of serious personal injury, read
and follow all warnings,
cautions and notes at the beginning of the removal procedure.
Vehicles receiving a new clockspring
1. NOTE: A new clockspring is supplied in a centralized position a ...
