Nissan Pathfinder. Manual — part 410
DLN-82
< UNIT DISASSEMBLY AND ASSEMBLY >
[TRANSFER: TY21C]
RING GEAR SHAFT
Disassembly
INFOID:0000000009177780
1. Remove transfer cover assembly. Refer to
.
2. Remove ring gear bearing outer race (transfer cover side) and ring gear bearing adjusting shim (transfer
cover side) from the transfer cover. Refer to
.
3. Remove ring gear shaft assembly from the transfer case.
4. Remove ring gear bearing outer race (transfer case side) and ring gear bearing adjusting shim (transfer
case side) from the transfer case. Refer to
5. Remove ring gear bearing inner race (transfer cover side) from
ring gear shaft with drift (A) (commercial service tool) and
replacer (commercial service tool).
6. Remove ring gear bearing inner race (transfer case side) from
ring gear shaft with the drift (A) [SST: ST33061000 (J-8107-2)]
and puller (commercial service tool).
7. Remove the ring gear mounting bolts.
7.
O-ring
8.
Ring gear bearing adjusting shim
(transfer cover side)
9.
Ring gear bearing (transfer cover
side)
10. Drive shaft oil seal
11. Ring gear shaft
12. Ring gear bearing (transfer case
side)
13. Ring gear bearing adjusting shim
(transfer case side)
14. Ring gear
15. Baffle plate
16. Transfer case
17. Plug
18. O-ring
19. Oil seal
20. Dowel pin
21. Drive pinion
22. Drive pinion adjusting shim
23. O-ring
24. Pinion bearing assembly
25. Oil seal
26. Dust cover
27. Companion flange
28. Pinion lock nut
A. Oil seal lip
B. Comply with the assembly proce-
dure when tightening. Refer to
.
: N·m (kg-m, ft-lb)
: N·m (kg-m, in-lb)
: Always replace after every disassembly.
: Apply gear oil.
*
: Apply anti-corrosive oil.
: Apply multi-purpose grease.
: Select with proper thickness.
JPDIE0030ZZ
JPDIE0031ZZ
RING GEAR SHAFT
DLN-83
< UNIT DISASSEMBLY AND ASSEMBLY >
[TRANSFER: TY21C]
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8. Lightly tap ring gear with a plastic hammer to remove ring gear
from the ring gear shaft.
9. Remove drive shaft oil seal from the ring gear shaft with the
puller (A) [SST: KV381054S0 (J-34286)].
10. Perform inspection after disassembly. Refer to
Assembly
INFOID:0000000009177781
1. Using drift (A) (commercial service tool), install drive shaft oil
seal (1) within the dimension (L) shown as follows.
CAUTION:
• Never reuse the oil seal.
• When installing, never incline oil seal.
• Apply multi-purpose grease onto oil seal lips, and gear oil
onto the circumference of the oil seal.
2. Select ring gear bearing adjusting shim (transfer case side) and
ring gear bearing adjusting shim (transfer cover side). Refer to
.
3. Assemble the selected ring gear bearing adjusting shim (transfer case side) and ring gear bearing outer
race (transfer case side) to transfer case. Refer to
CAUTION:
• Never reuse ring gear bearing.
• Apply gear oil to the ring gear bearing.
4. Assemble the selected ring gear bearing adjusting shim (transfer cover side) and ring gear bearing outer
race (transfer cover side) to transfer cover. Refer to
.
CAUTION:
• Never reuse ring gear bearing.
• Apply gear oil to the ring gear bearing.
5. Install the ring gear to ring gear shaft, and tighten mounting bolts to the specified torque.
SDIA1807J
JPDIE0032ZZ
L
: 2.0 +0.6/
−0 mm (0.079 +0.024/−0 in)
JSDIA2492ZZ
DLN-84
< UNIT DISASSEMBLY AND ASSEMBLY >
[TRANSFER: TY21C]
RING GEAR SHAFT
6. Install ring gear bearing inner race (transfer cover side) with drift
(A) (commercial service tool).
CAUTION:
• Never reuse ring gear bearing.
• Apply gear oil to the ring gear bearing.
7. Install the ring gear bearing inner race (transfer case side) to
ring gear shaft with drift (A) (commercial service tool).
CAUTION:
• Never reuse ring gear bearing.
• Apply gear oil to the ring gear bearing.
8. Install the ring gear shaft assembly to the transfer case.
CAUTION:
Protect transfer case oil seals beforehand from being dam-
aged by the spline of ring gear shaft below method follow-
ing.
a. Apply multi-purpose grease to spline part indicated in the figure.
b. Wrap piece of vinyl to spline part only indicated in the figure.
[(A): limit line]
CAUTION:
Never wrap sliding surfaces on oil seal.
9. Install transfer cover to check and adjust each part. Refer to
.
NOTE:
At this timing, O-ring installing to transfer cover is not necessary.
Install O-ring after backlash and tooth contact are checked.
10. Check backlash, tooth contact, total preload and companion
flange runout. Refer to
.
CAUTION:
Measure the total preload without oil seals of transfer cover and transfer case.
11. Reinstall transfer cover for installing O-ring. Refer to
.
12. After installing transfer case oil seals, remove wrapped vinyl from the spline of ring gear shaft.
Inspection
INFOID:0000000009177782
INSPECTION AFTER DISASSEMBLY
Check items below. If necessary, replace them with new ones.
Gear and Shaft
Check gear face and shaft for wear, cracks, damage, and seizure.
JSDIA1056ZZ
JSDIA1055ZZ
JSDIA4195ZZ
JSDIA4196ZZ
RING GEAR SHAFT
DLN-85
< UNIT DISASSEMBLY AND ASSEMBLY >
[TRANSFER: TY21C]
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CAUTION:
If malfunction is detected on the ring gear or drive pinion, replace the ring gear and drive pinion as a
set.
Bearing
Check for seizure, peeling, wear, corrosion, sticking, unusual noise, roughness in hand turning, and other
damage.
CAUTION:
When replacing the bearing, always replace the inner race and outer race as a pair.
Shim
Check for seizure, damage, and unusual wear.
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