Ford Mustang Service Manual: Main Control Valve Body

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

Identification Tags


Transmission (DISASSEMBLY)
Transmission Description (Description and Operation) The 4R70W has the following features: Wide ratio gears Four speeds Rear wheel drive Automatic Electronic shift Torque conver ...

Disassembly
Disassembly Main Control Valve Body - Disassembled View   1. Remove the torque converter clutch (TCC) solenoid and the shift solenoid. 1. Remove the bolt. 2. Remove the shift solenoid ...

Other materials:

Fuel Tank
Fuel Tank And Lines (Description and Operation) WARNING: Do not smoke, carry lighted tobacco or an open flame of any type when working on or near any fuel-related component. Highly flammable mixtures are always present and may be ignited, possibly resulting ...

Torque Converter Impeller to Pump Stator Interference Check
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 transm ...

Pinpoint Tests
Functionality With the ignition switch in the RUN position, voltage is applied through the warning indicator I circuit 904 (LG/RD) to the voltage regulator. This turns the regulator on, allowing current to flow from battery sense A circuit 36 (YE/W ...