Ford Mustang Service Manual: Planetary Gear Support Assembly and Planetary One-Way Clutch

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


    Assembly
    Disassembly 1. Inspect the clutch cylinder thrust surfaces, piston bore and clutch plate serrations for scores or burrs. Minor scores or burrs may be removed with crocus cloth. Install a new clutch ...

    Reverse Sun Gear
    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:

    Lower Intake Manifold
    Engine (Description and Operation) WARNING: Do not operate the engine with the hood open until the fan blade has been first examined for possible cracks and separation. The 4.6L (4V) (281 CID) Cobra engine is a V-8 with the following features: intercooled s ...

    Assembly
    Disassembly 1. Remove the driveshaft (4602). For additional information, refer to Driveshaft in this section. 2. CAUTION: Under no circumstances is the driveshaft assembly to be clamped in the jaws of a vise or similar holding fixture. Denting or localizing ...

    Pilot Bearing
    Clutch (Description and Operation) The primary function of the clutch is to couple and uncouple engine power to the transmission upon driver command. The clutch is a single plate, dry friction clutch disc. The clutch disc has a splined hub (with ...