2003 FORD MUSTANG lock

16. Install a new rear output shaft bearing, then fifth gear. Using the special tool, press both the
bearing and gear into place.
17. Reposition the output shaft with the input end facing upward.
18. Install the second gear synchronizer blocking ring. Rotate the blocking ring until seated.
19. Install the second gear synchronizer outer cone and the second gear synchronizer inner cone.
20. Install the second gear bearing. Klj . 11 ba
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27. Install the third gear synchronizer blocking ring.
28. Install the third/fourth gear synchronizer body.
zInstall the synchronizer body with the raised center facing downward.
z Rotate the blocking ring until seated. Klj . 15 ba
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30. Install the lock pins.
31. Install the lock plate. Klj . 11 ba
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36. Install the synchronizer springs and inserts.
37. Install the sliding sleeve on the synchronizer hub.
zAlign the pockets in the blocking ring with the struts in the synchronizer.
z The sliding sleeve is not reversible. Install the sleeve with the bevel edge away from the
gear.
38. Install fifth gear blocking ring.
39. Install the fifth gear synchronizer cone. Klj . 13 ba
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47. Install a new OSS sensor tone wheel retaining ring.
48. Install the fifth/reverse gear lockout.
49. Install the bolt.
50. Clean the mating surfaces of the transmission main case and the extension housing. Apply a
bead of silicone rubber to the sealing surface of the transmission case.
51. Install the extension housing and at the same time install the gear shift off- set lever. Klj . 16 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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