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:

    Leakage Inspection
    CAUTION: Do not try to stop the fluid leak by increasing the torque beyond specifications. This may cause damage to the case threads. Check the fluid filler tube connection at the transmission case. If leakage is found here, install a new grommet. Ch ...

    Anti-Lock Control
    Refer to Wiring Diagrams Cell 42 , Anti-Lock Brake for schematic and connector information. Special Tool(s) Worldwide Diagnostic System (WDS) 418-F224, New Generation STAR (NGS) Tester 418-F052, or equivalent scan tool 73 Digita ...

    Starting System (Description and Operation)
    Starter Motor The starter motor is a 12-volt unit that has the starter solenoid mounted on the drive end housing and functions as follows: The current flows through the solenoid energizing coil until the solenoid plunger is at the end of its travel. The ...