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:
Inspection and Verification
1. Verify the customer concern.
2. Visually inspect for obvious signs of electrical damage.
Visual Inspection Chart
Electrical
Central junction box (CJB) Fuse 31 (5A)
Damaged wiring harness
Loose or corroded connections
...
Load Carrying
LOAD LIMIT
Vehicle Loading – With and Without a Trailer
Vehicle Loading – With and Without a Trailer
This section will guide you in the proper loading of your vehicle and/or
trailer, to keep your loaded vehicle weight within its design rating
capability, w ...
Installation
Using special tool 205-024
NOTE: This is the preferred method for installing the pinion bearing
cups. If necessary, proceed to
Using special tools 205-153, 205-024, 205-231, and 205-D055 in this procedure
for an alternate
method.
1. Position the special too ...
