Ford Mustang Service Manual: Countershaft

Manual Transmission

The T56 six-speed manual transmission features the following:

  • six forward speeds and one reverse speed.
  • forward gears are synchronized and helical cut.
  • a reverse gear operates through a constant-mesh, fully synchronized system.
  • a shift interlock system prevents the engagement of more than one gear.
  • a countershaft with two sections, the countershaft cluster and the countershaft extension. The countershaft cluster is serviced as an assembly, the countershaft extension components are serviced.
  • two tapered roller bearings on the output shaft.
  • two tapered roller bearings on the countershaft cluster.
  • a tapered roller bearing on the input shaft.
  • a tapered roller bearing on the countershaft extension.
  • countershaft cluster endplay controlled by shims located in the transmission adapter plate.
  • countershaft extension endplay controlled by shims located in the extension housing.
  • input/output shaft endplay is controlled by shims located in the transmission adapter plate.
  • removable wear pads on the shift forks.
  • an aluminum main case, extension housing, adapter plate and clutch housing.

Transmission Identification

The transmission identification tag is located under the lower bolt that retains the extension housing to the main case.

The six speed (T56) transmission is available for the Mustang 4.6L (4V).

Transmission Identification

 


 


Transmission Draining and Filling


    Assembly
    Disassembly   1. CAUTION: Hand tighten the special tool to prevent gear damage. CAUTION: Support the output shaft while using the press to prevent damage to the shaft or gears. Using the spec ...

    Synchronizers
    Manual Transmission The T56 six-speed manual transmission features the following: six forward speeds and one reverse speed. forward gears are synchronized and helical cut. a reverse gear operates ...

    Other materials:

    Engine Ignition (Description and Operation)
    Engine Ignition (Description and Operation) The ignition coil (12029), which is mounted on the upper intake manifold, can be described as a coil pack containing three separate coil units. Each coil unit is individually controlled by the powertrain control mo ...

    Oil Level Indicator and Tube
    Engine       A modular engine is built around four modules: the intake module the cylinder head module (RH) the cylinder head module (LH) the lower engine module While not all repairs can take advantage of the modular conc ...

    Assembly
    Disassembly 1. NOTE: The index mark on the output shaft must be aligned with the index mark on the output shaft ring gear during the assembly procedure. Remove the ring gear snap ring. 2. Separate the ring gear and output shaft. 3. Remove the three output ...