Nissan Xterra. Manual - part 623

TM-5

C

E

F

G

H

I

J

K

L

M

A

B

TM

N

O

P

Cruise Test - Part 3  ...............................................

228

REMOVAL AND INSTALLATION .............

230

SHIFT CONTROL SYSTEM  .............................

230

Exploded view  .......................................................

230

Removal and Installation .......................................

230

Inspection and Adjustment ....................................

231

OIL PAN  ...........................................................

232

Removal and Installation .......................................

232

CONTROL VALVE WITH TCM  ........................

234

Removal and Installation .......................................

234

REAR OIL SEAL  ..............................................

242

Removal and Installation .......................................

242

KEY INTERLOCK CABLE  ...............................

244

Component ............................................................

244

Removal and Installation .......................................

244

AIR BREATHER HOSE ....................................

247

Removal and Installation .......................................

247

A/T FLUID COOLER  ........................................

249

Removal and Installation .......................................

249

UNIT REMOVAL AND INSTALLATION  ....

250

TRANSMISSION ASSEMBLY  .........................

250

Removal and Installation (2WD)  ...........................

250

Removal and Installation (4WD)  ...........................

252

UNIT DISASSEMBLY AND ASSEMBLY  ..

256

OVERHAUL ......................................................

256

Exploded View  ......................................................

256

Oil Channel  ...........................................................

263

Location of Adjusting Shims, Needle Bearings, 
Thrust Washers and Snap Rings  ..........................

265

DISASSEMBLY  ................................................

267

Disassembly ..........................................................

267

OIL PUMP .........................................................

285

Exploded View  ......................................................

285

Disassembly and Assembly  ..................................

285

FRONT SUN GEAR, 3RD ONE-WAY 
CLUTCH ..........................................................

288

Exploded View .......................................................

288

Disassembly and Assembly ...................................

288

FRONT CARRIER, INPUT CLUTCH, REAR 
INTERNAL GEAR  ...........................................

290

Exploded View .......................................................

290

Disassembly and Assembly ...................................

290

MID SUN GEAR, REAR SUN GEAR, HIGH 
AND LOW REVERSE CLUTCH HUB .............

295

Exploded View .......................................................

295

Disassembly and Assembly ...................................

295

HIGH AND LOW REVERSE CLUTCH ............

300

Exploded View .......................................................

300

Disassembly and Assembly ...................................

300

DIRECT CLUTCH ............................................

302

Exploded View .......................................................

302

Disassembly and Assembly ...................................

302

ASSEMBLY .....................................................

304

Assembly (1) ..........................................................

304

Adjustment .............................................................

317

Assembly (2) ..........................................................

319

SERVICE DATA AND SPECIFICATIONS 
(SDS) ..........................................................

326

SERVICE DATA AND SPECIFICATIONS 
(SDS) ...............................................................

326

General Specification  ............................................

326

Vehicle Speed at Which Gear Shifting Occurs  ......

326

Vehicle Speed at Which Lock-up Occurs/Releas-
es ...........................................................................

326

Stall Speed  ............................................................

327

Line Pressure  ........................................................

327

A/T Fluid Temperature Sensor  ..............................

327

Input Speed Sensor ...............................................

327

Output Speed Sensor  ............................................

327

Reverse brake  .......................................................

328

Total End Play  .......................................................

328

TM-6

< SYMPTOM DIAGNOSIS >

[6MT: FS6R31A]

NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING

SYMPTOM DIAGNOSIS

NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING

NVH Troubleshooting Chart

INFOID:0000000009485361

Use the chart below to help you find the cause of the symptom. The numbers indicate the order of the inspec-

tion. If necessary, repair or replace these parts.

Reference page

TM-15

TM-15

TM-18

TM-43

TM-54

SUSPECTED PARTS
(Possible cause)

OIL

 (Oil 

lev

el

 is

 lo

w

.)

OIL (W

rong oil.

)

OIL

 (Oil 

lev

el

 is

 h

igh

.)

GASKET

 (Damaged)

OIL SEAL (W

orn or 

damaged)

SHIFT CONTROL LINKAGE 

(W

orn)

CHECK PLUG RETURN SPRING

 AND CHECK BALL 

(W

orn or damaged)

SHIF

T FORK (W

orn)

G

EAR (W

o

rn o

r da

ma

ge

d)

BEARI

N

G (W

orn or 

damaged)

BAUL

K

 RING

 (W

orn

 o

r da

ma

ge

d)

INSE

R

T SP

RING

 (Dam

ag

ed

)

Symptoms

Noise

1

2

3

3

Oil  leakage

3

1

2

2

Hard to shift or will not shift

1

1

2

2

2

Jumps  out  of  gear

1

1

2

2

DESCRIPTION

TM-7

< SYMPTOM DIAGNOSIS >

[6MT: FS6R31A]

C

E

F

G

H

I

J

K

L

M

A

B

TM

N

O

P

DESCRIPTION

Cross-Sectional View

INFOID:0000000009485362

DOUBLE-CONE SYNCHRONIZER

The 1st, 3rd and 4th gears are equipped with a double-cone synchronizer to reduce the operating force of the

shift selector.

TRIPLE-CONE SYNCHRONIZER 

1.

Mainshaft

2.

Reverse synchronizer hub

3.

Reverse coupling sleeve

4.

Reverse main gear

5.

4th main gear

6.

3rd main gear

7.

1st main gear

8.

1st-2nd coupling sleeve

9.

1st-2nd synchronizer hub

10. 2nd main gear

11. 6th main gear

12. 5th-6th coupling sleeve

13. 5th-6th synchronizer hub

14. Main drive gear 

15. Front cover

16. Transmission case

17. Counter gear

18. Filler plug

19. 3rd counter gear

20. 3rd-4th synchronizer hub

21. 3rd-4th coupling sleeve

22. Drain plug

23. Adapter plate

24. 4th counter gear

25. Reverse idler gear

26. Reverse idler shaft

27. Reverse counter gear

28. OD gear case

TM-8

< SYMPTOM DIAGNOSIS >

[6MT: FS6R31A]

DESCRIPTION

The 2nd gear is equipped with a triple-cone synchronizer to reduce the operating force of the shift selector.

PCIB0594E