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:
Pinpoint Test B: LFC 21/DTC B1921 - RCM Bracket Ground Resistance High
Normal Operation
WARNING: The tightening torque of the restraints control module
(RCM) retaining bolts is
critical for proper air bag supplemental restraint system (SRS)
operation. Refer to Restraints
Control Module (RCM) in this section for correc ...
Exhaust System Neutralizing
WARNING: Exhaust gases contain carbon monoxide, which is harmful to
health and
potentially lethal. Repair exhaust system leaks immediately. Never operate the
engine in an
enclosed area.
WARNING: Exhaust system components are hot.
NOTE: Neutralize the exhau ...
Pinpoint Test O: DTC B1870 - Air Bag Indicator Shorted to Battery
Normal Operation
The air bag indicator is designed to illuminate for 6 (+/-2) seconds
when the ignition switch is turned to
the RUN position. This initial 6 seconds of illumination is considered
normal operation and is called
proveout of the air ba ...
