Ford Mustang Service Manual: Pinpoint Tests - OSC Equipped Vehicles

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

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

    Other materials:

    Piston - Pin Diameter
    Engine (Diagnosis and Testing) Special Tool(s) Commercially Available Leakdown Tester Quick Disconnect Compression Tester 134-R0212 or equivalent Dial Indicator Gauge Adapter 303-007 (TOOL-6565-AB) or equivalent Di ...

    Assembly
    Disassembly 1. NOTE: Mark the position of each gear shifter fork (7230). Place the gear shift plates (7N232) and the gear selector interlock sleeve (7K201) in the neutral position to center the gear shift plates and the selector body (7302). 2. Rotate ...

    Removal
    Removal 1. Remove the nuts and position the radio ignition interference capacitors aside. 2. Remove the valve covers. For additional information, refer to Valve Cover RH and Valve Cover LH in this section. 3. Remove the cooling fan. 4. Remove the accesso ...