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:
Stoplamps
Refer to Wiring Diagrams Cell 90 , Turn/Stop/Hazard Lamps for
schematic and connector information.
Special Tool(s)
73III Automotive Meter or
equivalent
105-R0057
Inspection and Verification
1. Verify the customer concerns.
2. Visually ...
Reverse Sun Gear
Disassembly
1. Remove the reverse clutch sun gear assembly and the No. 4 forward clutch
hub bearing and
race.
2. Remove the forward clutch sun gear assembly and the No. 5 forward clutch
sun gear bearing
and race.
Assembly
1. The forward clutch ...
Spark Plug - Inspection
1. Inspect the spark plug for a bridged gap.
Check for deposit build-up closing the gap between the electrodes.
Deposits are caused
by oil or carbon fouling.
Clean the spark plug.
2. Check for oil fouling.
Check for wet, black deposits on th ...
