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:
Door
Removal
1. Remove the door trim panel. For additional information, refer to
Section.
2. Disconnect the necessary electrical connectors to remove the harness
and grommet from the
door.
3. NOTE: This procedure requires an assistant.
NOTE: Mark ...
Inspection and Verification
NOTE: If any concerns are noted with the speedometer, stoplamps, or
horn, address those concerns
by referring to their associated sections before continuing speed control
diagnosis.
1. Verify the customer concern by operating the speed control system.
2. Vi ...
Exhaust Gas Recirculation (EGR) Valve
Removal and Installation
NOTE: The 4.6L, 2V is shown. The 3.8L is similar.
1. Disconnect the vacuum hose.
2. Disconnect the EGR tube from the EGR valve.
3. Remove the two bolts, the EGR valve and the gasket.
4. NOTE: Install a new gasket.
To install, ...
