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:
Principles of Operation
Evaporative Emission (EVAP) Canister Purge Valve
The EVAP canister purge valve is controlled by the powertrain control
module (PCM). The EVAP
canister purge valve controls the flow of fuel vapors from the EVAP canister
to the engine intake
manifold duri ...
Fuel Tank And Lines (Description and Operation)
WARNING: Do not smoke, carry lighted tobacco or an open flame of any
type when
working on or near any fuel-related component. Highly flammable mixtures are
always present
and may be ignited, possibly resulting in personal injury.
The vehicle utilizes a retur ...
Supercharger Belt Idler Pulley
Removal and Installation
1. Remove the supercharger drive belt cover.
2. Rotate the supercharger belt tensioner clockwise and remove the
supercharger belt.
3. Remove the bolt and the supercharger belt idler pulley.
4. To install, reverse the removal pro ...
