Nissan Tiida C11. Manual - part 1401

MAINSHAFT AND GEAR

TM-655

< DISASSEMBLY AND ASSEMBLY >

[5MT: RS5F91R]

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MAINSHAFT AND GEAR

Exploded View

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Refer to 

TM-635, "Exploded View"

.

Disassembly

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DISASSEMBLY

CAUTION:

• Do not reuse snap ring.
• Set mainshaft on the vise with back plate and remove gears and snap rings.
• For installation and removal of snap ring, set snap ring pliers

and flat pliers at both sides of snap ring. Stretch snap ring,
and move it with flat pliers.

• Disassemble gear components putting matching marks on

the parts that do not affect any functions.

1.

Remove snap ring (1) and thrust washer (2).

2.

Remove 3rd baulk ring, 3rd main gear (1) and thrust washer (2).

3.

Remove snap ring (1) and thrust washer (2).

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TM-656

< DISASSEMBLY AND ASSEMBLY >

[5MT: RS5F91R]

MAINSHAFT AND GEAR

4.

Remove 2nd main gear (1) and thrust washer (2).

5.

Remove snap ring (1), 1st-2nd synchronizer hub assembly (2)
and 1st main gear (3).

Assembly

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ASSEMBLY

Assembly is in the reverse order of disassembly. Refer to 

TM-635, "Exploded View"

 when assembling.

CAUTION:

• Do not reuse snap ring.
• For installation and removal of snap ring, set snap ring pliers and flat pliers at both sides of snap

ring. Stretch snap ring, and move it with flat pliers.

• Make sure that snap ring is securely installed to the groove.
• Replace inner baulk ring, synchronizer cone and outer baulk ring as a set. 
• Be careful with the orientation of insert key (1) and spring (2).

• Be careful with the orientation of 3rd-4th synchronizer hub.

(A): 4th main gear side 
(B): 3rd main gear side 

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MAINSHAFT AND GEAR

TM-657

< DISASSEMBLY AND ASSEMBLY >

[5MT: RS5F91R]

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• Be careful with the orientation of 3rd-4th coupling sleeve.

(A): 4th main gear side 
(B): 3rd main gear side 

• Be careful with the orientation of 1st-2nd synchronizer hub.

(A): 1st main gear side 
(B): 2nd main gear side 

• Be careful with the orientation of 1st-2nd coupling sleeve.

(A): 2nd main gear side 
(B): 1st main gear side 

Inspection

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MAINSHAFT AND GEARS

Check items below. If necessary, replace them with new ones.
• Damage, peeling, dent, uneven wear, bending, and other non-

standard conditions of the shaft.

• Excessive wear, damage, peeling, and other non-standard condi-

tions of the gears.

SYNCHRONIZER

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PCIB1566E

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TM-658

< DISASSEMBLY AND ASSEMBLY >

[5MT: RS5F91R]

MAINSHAFT AND GEAR

Check items below. If necessary, replace them with new ones.
• Damage and excessive wear of contact surfaces of coupling

sleeve, synchronizer hub, insert key and spring.

• Coupling sleeve and synchronizer hub must move smoothly.

• If any crack, damage, or excessive wear is found on cam face of

baulk ring or working face of insert, replace it.

BEARING

Check for damage and rough rotation of bearing. If necessary,
replace with new one.

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