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:
Differential Case and Ring Gear
Special Tool(s)
2-Jaw Puller
205-D072 (D97L-4221-A) or
equivalent
Installer, Differential Side
Bearing
205-009 (T57L-4221-A1)
Step Plate
205-D016 (D80L-630-5) or
equivalent
...
Brake Booster - Hydro-Boost (Description and Operation)
The Hydro-Boost brake booster is a hydraulically operated brake booster
powered by the power
steering pump (3A674). The power steering pump provides the fluid pressure to
operate both the
power brake booster and the power steering gear (3504).
A Hydro-Boost ...
Vacuum Hose Repair - Mini-Tube
Special Tool(s)
Vacuum Pump Kit
416-D002 (D95L-7559-A) or
equivalent
1. Measure the length of the damaged area of the mini-tube vacuum hose.
2. Cut a piece of standard 1/8 inch inner diameter vacuum hose approximately 25
mm (1 inch
longer t ...
