Nissan Xterra. Manual - part 637

GEAR COMPONENTS

TM-61

< UNIT DISASSEMBLY AND ASSEMBLY >

[6MT: FS6R31A]

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1st outer baulk ring has three spaces that three gear tooth is

missing and 2nd outer baulk ring has three spaces that two gear

teeth are missing.

4. Press in 1st gear bushing using Tool.

5. Install 1st outer baulk ring, 1st synchronizer cone, 1st inner

baulk ring, 1st needle bearing and 1st main gear to mainshaft.

CAUTION:

• Apply gear oil to 1st outer baulk ring, 1st synchronizer

cone, 1st inner baulk ring and 1st needle bearing.

• Replace 1st outer baulk ring, 1st synchronizer cone and

1st inner baulk ring as a set. 

NOTE:

1st outer baulk ring has three spaces that three gear tooth is

missing and 2nd outer baulk ring has three spaces that two gear

teeth are missing.

6. Press in 3rd main gear using Tool.

CAUTION:

• Do not reuse 3rd main gear.

• Be careful with the orientation 3rd main gear.

PCIB1252E

Tool number

: ST27861000 ( — )

PCIB1254E

PCIB1252E

Tool number

: ST30022000 ( — )

PCIB1255E

TM-62

< UNIT DISASSEMBLY AND ASSEMBLY >

[6MT: FS6R31A]

GEAR COMPONENTS

7. Install 3rd-4th main spacer to mainshaft.
8. Press in 4th main gear using Tool.

CAUTION:

• Do not reuse 4th main gear.

• Be careful with the orientation 4th main gear.

9. Press in mainshaft bearing using Tool.

CAUTION:

Be careful with the orientation mainshaft bearing.

10. Press in reverse main gear bushing using Tool.

11. Press in 3rd gear bushing using Tool. 

12. Install 3rd-4th synchronizer hub assembly according to the fol-

lowing.

a. Install 3rd-4th coupling sleeve to 3rd-4th synchronizer hub.

CAUTION:

• Do not reuse 3rd-4th synchronizer hub and 3rd-4th cou-

pling sleeve.

• Replace 3rd-4th synchronizer hub and 3rd-4th coupling

sleeve as a set. 

Tool number

: ST30022000 ( — )

PCIB1256E

Tool number

: ST30911000 ( — )

PCIB1257E

Tool number

: ST30911000 ( — )

PCIB1258E

Tool number

: ST30911000 ( — )

PCIB1260E

GEAR COMPONENTS

TM-63

< UNIT DISASSEMBLY AND ASSEMBLY >

[6MT: FS6R31A]

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

b. Install spread springs and shifting inserts to 3rd-4th synchronizer

hub.

CAUTION:

• Do not install spread spring hook onto the same shifting

insert.

• Be careful with the shape of reverse shifting insert to

avoid improper assembly.

c. Press in 3rd-4th synchronizer hub assembly, 3rd inner baulk

ring, 3rd synchronizer cone, 3rd outer baulk ring, 3rd counter

gear and 3rd needle bearing using Tool.

CAUTION:

• Apply gear oil to 3rd inner baulk ring, 3rd synchronizer

cone, 3rd outer baulk ring and 3rd needle bearing, hole

spline of 3rd-4th synchronizer hub.

• Replace 3rd inner baulk ring, 3rd synchronizer cone and

3rd outer baulk ring as a set. 

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

NOTE:

PCIB1259E

SCIA1600E

PCIB0608E

Tool number

: ST30911000 ( — )

PCIB1262E

TM-64

< UNIT DISASSEMBLY AND ASSEMBLY >

[6MT: FS6R31A]

GEAR COMPONENTS

4th baulk ring has three spaces that one gear tooth is missing

but 3rd baulk ring doesn't.

13. Press in 4th counter gear thrust washer, 4th gear bushing, 4th

needle bearing, 4th counter gear, 4th outer baulk ring,4th syn-

chronizer cone and 4th inner baulk ring using Tool.

CAUTION:

• Apply gear oil to 4th needle bearing, 4th outer baulk ring,

4th synchronizer cone and 4th inner baulk ring.

• Replace 4th outer baulk ring, 4th synchronizer cone and

4th inner baulk ring as a set. 

• Be careful with the orientation 4th counter gear thrust

washer.

NOTE:

4th baulk ring has three spaces that one gear tooth is missing

but 3rd baulk ring doesn't.

14. Press in counter rear bearing inner race using Tool.

CAUTION:

Be careful with the orientation counter rear bearing inner

race.

15. Install main drive gear bearing according to the following.

PCIB1261E

Tool number

: KV40100630 (J-26092)

PCIB1263E

PCIB1261E

Tool number

: ST30032000 (J-26010-01)

PCIB1264E