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:
Flexplate
Removal and Installation
1. Remove the transmission. For additional information, refer to Section.
2. Remove the six bolts retaining the flexplate to crankshaft, and remove the
flexplate.
3. To install, reverse the removal procedure.
Tighten the bolts in ...
Clutch Pedal Position (CPP) Switch
Removal
1. Disconnect the battery ground cable. For additional information,
refer to Section.
2. Disconnect the connector.
3. Remove the bolt and the clutch pedal position (CPP) switch.
Installation
1. To install, reverse the removal procedure. ...
Clutch And Clutch Field Coil
Special Tool(s)
2-Jaw Puller
205-D026 (D80L-1002-L) or
equivalent
Installer, A/C Compressor Coil
412-065 (T89P-19623-EH)
Holding Fixture, Compressor
Clutch (3.8L vehicles)
412-098 (T94P-19703-AH)
Holding ...
