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:
Fittings - Vapor Tube
Disconnect
1. WARNING: The evaporative emission system contains fuel vapor and
condensed
fuel vapor. Although not present in large quantities, it still presents the
danger of
explosion or fire. Disconnect the battery ground cable from the battery to
minimiz ...
Installation
1. CAUTION: Lubricate the filler pipe check valve area and the
tank-to-filler pipe
grommet with Serfactant prior to assembly or damage to the filler pipe check
valve will
occur.
NOTE: A new grommet must be used for the installation procedure due to
its dest ...
Troubleshooting
Your SYNC system is easy to use. However, should questions arise, see
the tables below.
Use the website at any time to check your phone’s compatibility,
register your account and set preferences as well as access a
customer representative via an online chat ...
