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:
Dowels - Flywheel Housing to Block
Removal
1. NOTE: Take care not to damage the flywheel housing to block dowel
holes or the surface areas
around the flywheel housing to block dowel hole during removal.
Remove the two flywheel housing to block dowels using a drift pin where the
flywheel ...
Removal
CAUTION: Suspension fasteners are critical parts because they affect
performance of vital
components and systems and their failure can result in major service expense. A
new part with
the same part number must be installed if installation becomes necessary. ...
Torque Converter Impeller to Pump Stator Interference
Check
1. NOTE: Front pump support may remain in front pump support and gear
during this test.
Position the front pump support with the splines up.
2. Mount the torque converter on the front pump support with the splines on
the one-way clutch
inner race, engaging t ...
