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:
Master Cylinder - Hydro-Boost
Removal
1. Disconnect the fluid level sensor connector.
2. Disconnect the brake tubes.
3. Remove the brake master cylinder nuts.
4. Remove the brake master cylinder (2140).
Installation
1. To install, reverse the removal procedure.
Bleed the brak ...
Special Operating Condition Requirements
When towing a trailer or using a camper or car-top carrier:
Change engine oil and install a new oil filter every 4,800 km (3,000
miles) or 3 months.
Change transfer case fluid every 96,000 km (60,000 miles).
Change manual transmission fluid as required.
...
Exhaust Gas Recirculation (EGR) Valve - Mach I
Removal and Installation
1. Remove the air intake scoop. For additional information, refer to
Section.
2. Remove the exhaust gas recirculation (EGR) valve.
1. Disconnect the EGR tube upper fitting.
2. Disconnect the vacuum hose.
3. Remove the tw ...
