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:
Parking Brake Cable Tension Release
1. CAUTION: If any component in the parking brake system requires
repair or if the
rear axle housing (4010) is removed, the cable tension must be released.
Place the parking brake control (2780) in the released position.
2. Remove the console.
3. W ...
Cooling System Draining, Filling and Bleeding
Material
Item
Specification
Motorcraft Premium Gold
Engine Coolant
VC-7-A (in Oregon VC-7-B)
(yellow color)
WSS-M97B51-
A1
Draining
WARNING: Never remove the pressure relief cap while the engine is
operating or when the
cooling syst ...
Bypass Tube - Cobra
Material
Item
Specification
Motorcraft Premium Gold
Engine Coolant
VC-7-A (in Oregon VC-7-B)
(yellow color)
WSS-M97B51-
A1
Removal and Installation
1. Drain the engine coolant. For additional information, refer to Cooling
System Dra ...
