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:
Inspection and Verification
WARNING: When servicing starter motor or carrying out other underhood
work in the
vicinity of the starter motor, be aware that the heavy gauge battery input lead
at the starter
solenoid is "electrically hot" at all times. A protective cap or boot is
provide ...
Switch - Seat Regulator Control
Removal and Installation
1. Disconnect the battery. For additional information, refer to Section.
2. Remove the screws and position the seat regulator control switch aside.
3. Disconnect the electrical connector and remove the seat regulator control
swit ...
Exhaust Manifold - Inspection
Special Tool(s)
Straight Edge
303-D039 (D83L-4201-A) or
equivalent
1. Place a straight edge across the exhaust manifold flanges and check for
warping with a feeler
gauge.
Bearing -Inspection
1. Inspect bearings for the following defects. P ...
