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:
Air Conditioning (A/C) Compressor Shaft Seal
Special Tool(s)
Holding Fixture, Compressor
Clutch (3.8L vehicles)
412-098 (T94P-19703-AH)
Holding Fixture, Compressor
Clutch (4.6L vehicles)
412-103 (T95L-19703-AH)
Protector, A/C Compressor
Shaft Oil Seal
412-06 ...
Lamp Assembly - Rear
Removal
1. Position the luggage compartment trim aside.
Remove the two retainers.
2. Remove the four rear lamp nuts.
3. Remove the rear lamp assembly, disconnect the electrical connectors and
replace the bulbs if
necessary.
Installation
1. To ins ...
Flywheel Ring Gear
Removal
1. Remove the flywheel.
2. WARNING: This procedure should be carried out only by a
correctly equipped and
experienced acetylene torch operator. Tongs must be used or asbestos gloves
worn
when handling the heated flywheel ring gear. Failure to f ...
