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:
Switch - Deactivator
Removal
1. Disconnect the battery ground cable.
2. Remove the deactivator switch.
1. Disconnect the deactivator switch electrical connector.
2. Detach the lower deactivator switch hook.
3. Detach the upper deactivator pivot.
Installation
1. N ...
Removal
WARNING: Always wear safety glasses when repairing an air bag
supplemental restraint
system (SRS) vehicle and when handling an air bag module. This will
reduce the risk of injury
in the event of an accidental deployment.
WARNING: Carry a live air ...
Installation
1. CAUTION: Timing chain procedures must be followed exactly or damage
to the
pistons or valves will result.
Compress the tensioner plunger, using a soft-jawed vise.
2. Install a retaining clip on the tensioner to hold the plunger in during
installation.
...
