Ford Mustang Service Manual: Transmission Draining and Filling

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


    Manual Transmission
    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 ...

    Transmission (Removal)
    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:

    Stabilizer Bar
    Rear Suspension (Description and Operation)   Item Part Number Description 1 18125 Rear shock absorber 2 - Rear axle driveline vibration damper 3 5A649 Rear lower suspension arm and bushing (common LH and RH) ...

    Knock
    Bearing Whine Bearing whine is a high-pitched sound similar to a whistle. It is usually caused by worn/damaged pinion bearings, which are operating at driveshaft speed. Bearing noise occurs at all driving speeds. This distinguishes it from gear whine which ...

    Extension Housing
    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 shi ...