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:
Removal
WARNING: Do not smoke or carry lighted tobacco or open flame of any
type when
working on or near any fuel related components. Highly flammable mixtures are
always present
and may be ignited. Failure to follow these instructions may result in personal
injury ...
Gearshift Rail and Fork
Disassembly and Assembly
1. Using a 5/32-inch drift and a hammer, remove and discard the split pin.
Slide the shift fork from
the shift rail.
2. Remove the gearshift fork inserts.
3. CAUTION: Support the shift rail to prevent damage to the parts.
Positio ...
Manual seats
WARNING: Do not adjust the driver’s seat or seatback while the
vehicle is moving.
WARNING: Rock the seat backwards and forwards after
releasing the lever to make sure that it is fully engaged.
Moving the seats backward and
forward
Recline adjustment
WARNIN ...
