FORD MUSTANG 2003 Workshop Manual

56. Install the shipping seal.
57. Rotate the transmission to a horizontal position.
58. Clean the mating surfaces of the shift cover opening surface and the shift cover. Apply a bead
of silicone rubber to the shift cover opening surface.
59. Install the gear shift lever.
60. NOTE: Before installing the transmission, the ball stud, the clutch release lever and the input Klj . 18 ba
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shaft guide tube must be cleaned and lubricated.
Install the clutch release hub and bearing and the clutch release lever. For additional
information, refer to Section 308-
01.
61. Fill the transmission with transmission fluid to the specified level. zTransmission capacity is 3.6 liters (7.5 pints). Klj . 19 ba
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INSTALLATION
Transmission
1. NOTE: Before installing the transmission, the ball stud, clutch release lever and the input shaft
must be cleaned and lubricated. Use Motorcraft Premium Long-Life Grease XG-1- C or XG-1-K
or equivalent meeting Ford specification ESA- M1C75-B.
To install, reverse the removal procedure. For additional information, refer to Transmission in
this section.
zCheck, and as necessary, fill the transmission with transmission fluid. The total fill
capacity is 3.6L (7.5 pt).
2. Apply sealant to the fill plug threads and install the fill plug. zUse pipe sealant with Teflon® .
SECTION 308-
03B: Manual Transaxle/Transmission — TR3650 2003 Mustang Workshop Manual Material
Item Specification
Motorcraft MERCON® Multi-
Purpose (ATF) Transmission
Fluid
XT
-2-QDX MERCON
Pipe Sealant with Teflon®
D8AZ-
19554- A or equivalent WSK-
M2G350-
A2 Premium Long Life Grease
XG
-1-C, K or T or equivalent ESA-
M1C75- B Klj . 1 ba
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SPECIFICATIONS
SECTION 308-
03C: Manual Transaxle/Transmission — T56 2003 Mustang Workshop Manual General Specifications
Item Specification
Lubricants and Sealants
Premium Long-
Life Grease
XG -1-C, K or T ESA-
M1C75- B Threadlock and Sealer
E0AZ-
19554- AA WSK-
M2G351- A5 Black Non-
Acid Cure Silicone Rubber
E7TZ- 19562- A ESL-
M4G273- A Pipe Sealant with Teflon®
D8AZ-
19554- A ESR-
M18P7-A Preload
Input/output shaft preload 0.0 mm (in) -
0.05 mm (0.002 in) Countershaft cluster gear preload 0.0 mm (in) -
0.05 mm (0.002 in) Countershaft extension preload 0.05 mm (in) -
0.13 mm (0.005 in) Fluid
DEXRON III® (
ATF) Transmission Fluid
XT -2-QDX DEXRON III®
Capacity 3.9 L (4.1 qt.)
Synchronizer
Synchronizer blocking ring to conical face runout
1st, 2nd, 3rd, 4th, 5th & 6th gear 0.38 mm (0.01 in)
Synchronizer blocking ring to conical face runout
Reverse gear 0.75 mm (0.03 in)
Torque Specifications Description Nm lb-
ft lb-
in Transmission-to-
clutch adapter housing bolts 35 26 —
Crossmember-
to-frame bolts 41 30 —
Crossmember-
to-
transmission support bolts 58 43 —
OSS sensor bolt 10 — 7
Gearshift lever boot bolts 10 — 89
Lower gearshift lever bolts 20 15 —
Upper gearshift lever bolts 37 27 —
Shift dent 40 30 —
Shift lever guide bolts 27 20 — Klj . 1 ba
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Guide plate bolts 22 16 —
Reverse lockout solenoid bolt 18 13 —
Drain plug 27 20 —
Reversing lamp switch 27 20 —
Fill plug 27 20 —
Reverse idler shaft bracket bolts 25 18 —
Extension housing bolts 35 26 —
Shift dent cover bolts 20 15 —
Adapter plate plug 27 20 — Klj . 2 ba
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DESCRIPTION AND OPERATION
Manual Transmission
The T56 six-
speed manual transmission features the following:
z six forward speeds and one reverse speed.
z forward gears are synchronized and helical cut.
z a reverse gear operates through a constant- mesh, fully synchronized system.
z a shift interlock system prevents the engagement of more than one gear.
z 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.
z two tapered roller bearings on the output shaft.
z two tapered roller bearings on the countershaft cluster.
z a tapered roller bearing on the input shaft.
z a tapered roller bearing on the countershaft extension.
z countershaft cluster endplay controlled by shims located in the transmission adapter plate.
z countershaft extension endplay controlled by shims located in the extension housing.
z input/output shaft endplay is controlled by shims located in the transmission adapter plate.
z removable wear pads on the shift forks.
z 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 SECTION 308-
03C: Manual Transaxle/Transmission — T56 2003 Mustang Workshop Manual Item Part
Number Description
1 — Transmission assembly number
2 — Build date code —
month Klj . 1 ba
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3 — Build date code —
day 4 — Build date code —
year 5 — Shift number
6 — Serial number
7 — Service repair code
8 — Identification number located on left lower side of
transmission case Klj . 2 ba
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DIAGNOSIS AND TESTING
Manual Transmission
Refer to
Section 308 - 00 .
SECTION 308-
03C: Manual Transaxle/Transmission — T56 2003 Mustang Workshop Manual Klj . 1 ba
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GENERAL PROCEDURES
Transmission Draining and Filling
1. Remove the drain plug and drain the transmission. zPosition a suitable drain pan under the transmission.
2. Clean and install the drain plug.
3. NOTE: Before removing, clean the area around the filler plug.
Remove the filler plug.
4. Using a suitable oil suction gun, fill the transmission to the correct level with the specified fluid. zTransmission capacity is 3.9 liters (4.1 quarts).
SECTION 308-
03C: Manual Transaxle/Transmission — T56 2003 Mustang Workshop Manual Material
Item Specification
DEXRON III® (
ATF)
Transmission Fluid
XT -2-QDX DEXRON III® Klj . 1 ba
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5. Install the filler plug. Klj . 2 ba
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