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
NOTE: Battery power and ground must be remove before disconnecting
the GEM connectors to avoid
setting false codes.
Power Locks Operation
The power locks feature allows the customer to lock and unlock the
doors via momentary switches
located on t ...
Body System - General Information
General Specifications
Body
Body and Sheet Metal
The body:
Is a unibody open cowl structure.
Is constructed of a lightweight, all-steel material with
removable bolted hood (16612), front
fenders (16005), doors, and luggage compartment lid ...
Idle Air Control (IAC) Valve - 4.6L (2V)
Removal
1. Disconnect the battery ground cable. For additional information,
refer to Section.
2. NOTE: Discard the idle air control (IAC) valve gasket.
Remove the IAC valve.
Disconnect the connector.
Disconnect the hose.
Remove the bolts, ...
