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



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 ...
Valve Spring Strength
Special Tool(s)
Pressure Gauge, Valve/Clutch
Spring
303-006 (TOOL-6513-DD) or
equivalent
1. Use a Valve/Clutch Spring Pressure Gauge to check the valve spring for
correct strength at the
specified valve spring length.
Refer to the appr ...
Motor - Window Regulator
Removal
1. Remove the door trim panel. For additional information, refer to
Section.
2. Remove the screws and the speaker.
3. Disconnect the electrical connector.
4. Remove the screws and the window regulator motor.
Installation
1. To install, ...
