Ford Mustang Service Manual: 1-2 Accumulator

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


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

    2-3 Accumulator
    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:

    Inspection and Verification
    Principles of Operation The vehicle has two module communications networks. The standard corporate protocol (SCP) which is an unshielded twisted pair cable (data bus plus, Circuit 914 [TN/OG] and data bus minus, Circuit 915 [PK/LB]), and the internation ...

    Autolamps
    WARNING: In severe weather conditions, it may be necessary to switch your headlamps on manually. Note: If the vehicle is equipped with autolamps, it will have the windshield wiper rainlamp feature. When the windshield wipers are turned to low- or high-spe ...

    Evaporative Emission System Leak Test
    Evaporative Emissions (Description and Operation) Component Location   The evaporative emission system: is equipped with an on-board refueling vapor recovery (ORVR) system. prevents hydrocarbon emissions from reaching the atmosphere. stores f ...