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

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 Tests
    PINPOINT TEST A: THE BRAKES PULL OR DRIFT Test Step Result / Action to Take A1 CHECK THE TIRES YesGO to A2 . No CORRECT as necessary. RETEST for normal operation. NOTE: Check tire pressure with the brakes off. Check tires for u ...

    Temporary mobility kit
    Note: The temporary mobility kit sealant compound in the canister is to be used for one tire only. See your Ford authorized dealer for additional replacement sealant canisters. The kit is located in the spare tire well in the trunk. The kit consists of an ai ...

    Transmission (Disassembly)
    Special Tool(s) Remover, Mainshaft Bearing 308-058 (T77J-7025-H) Screw, Bearing Removal tube 308-092 (T84T-7025-B) Holding Fixture, Transmission 307-003 (T57L-500-B) Remover, Bushing 307-001 (TOOL-1175-AC) ...