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:
Valve Spring Strength
Special Tool(s)
Pressure Gauge, Valve/Clutch
Spring
303-006 (TOOL-6513-DD) or
equivalent
1. Use a Valve/Clutch Spring Pressure Gauge to check the valve spring for
correct strength at the
specified valve spring length.
Refer to the appr ...
Exhaust Manifold to Exhaust Gas Recirculation (EGR)
Valve Tube - Mach I
Removal
1. Remove the air intake scoop. For additional information, refer to
Section.
2. Disconnect the exhaust gas recirculation (EGR) tube from the EGR valve.
3. With the vehicle in NEUTRAL, position it on a hoist.
4. Disconnect the EGR tube from th ...
Pilot Bearing
Special Tool(s)
Puller with Slide Hammer
308-001 (T58L-101-B)
1. Remove the clutch disc and the clutch pressure plate. For additional
information, refer to Disc
and Pressure Plate-3.8L and 4.6L (2V) Engines or Disc and Pressure Plate-4.6L
(4V ...
