Ford Mustang (1999-2004) Service Manual: 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 Identification

 

Transmission Identification

Transmission Identification

    Manual Transaxle/Transmission - T56
    General Specifications Torque Specifications ...

    Transmission Draining and Filling
    Material Item Specification DEXRON III (ATF) Transmission Fluid XT-2-QDX DEXRON III 1. Remove the drain plug and drain the transmission. Position a suitable drain pan under the ...

    Other materials:

    Column
    Removal and Installation All vehicles 1. Disconnect the battery ground cable and wait at least one minute to allow the depletion of the restraint system backup power supply. 2. WARNING: To avoid the risk of serious personal injury, follow all warnings, c ...

    Seats (Diagnosis and Testing)
    Refer to Wiring Diagrams Cell 120 , Power Seats for schematic and connector information. Refer to Wiring Diagrams Cell 122 , Power Lumbar Seats for schematic and connector information. Special Tool(s) 73 III Automotive Meter 105-R0057 In ...

    Supercharger Cooling System Draining, Filling and Bleeding
    Draining WARNING: Never remove the pressure relief cap while the engine is operating or when the cooling system is hot. Failure to follow these instructions can result in damage to the cooling system or engine or personal injury. To avoid having scalding hot ...