Nissan Pathfinder. Manual — part 409
DLN-78
< UNIT DISASSEMBLY AND ASSEMBLY >
[TRANSFER: TY21C]
TRANSFER COVER
Disassembly
INFOID:0000000009177776
1. Remove transfer cover mounting bolts (
).
2. Lightly tap transfer cover (1) with a plastic hammer to remove
transfer cover.
3. Remove O-ring from transfer cover.
CAUTION:
• Never use a tool.
• Never damage transfer cover.
1.
Oil seal
2.
Transfer cover
3.
Filler plug
4.
Gasket
5.
Drain plug
6.
Oil seal
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.
JSDIA3949ZZ
JSDIA3950ZZ
TRANSFER COVER
DLN-79
< UNIT DISASSEMBLY AND ASSEMBLY >
[TRANSFER: TY21C]
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4. Lightly tap the metal part of oil seals (1) with punch from back
side of transfer cover to remove oil seals.
CAUTION:
When removing, never damage the transfer cover by scoop-
ing it out with a tool.
5. Remove the ring gear bearing adjusting shim (transfer cover
side) (1) and ring gear bearing outer race (transfer cover side)
(2) using drift (commercial service tool).
6. Remove drain plug and gasket.
7. Remove filler plug and gasket.
8. Perform inspection after disassembly. Refer to
Assembly
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1. Select the ring gear bearing adjusting shim (transfer cover side). Refer to
2. Install the selected ring gear bearing adjusting shim (transfer
cover side) (1) and ring gear bearing outer race (transfer cover
side) (2) using drift (commercial service tool).
CAUTION:
• Never reuse ring gear bearing.
• Apply gear oil to the ring gear bearing.
3. Install gasket onto drain plug and install them to transfer cover.
CAUTION:
Never reuse gasket.
4. Install the transfer cover to the transfer case, and apply anti-cor-
rosive oil onto thread and seats on the mounting bolts. Then
tighten mounting bolts to the specified torque.
NOTE:
At this timing, O-ring installing to transfer cover is not necessary.
Install O-ring after tooth contact is checked.
5. 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.
6. Remove transfer cover to install O-ring.
7. Apply multi-purpose grease lightly and evenly onto an O-ring, and install it to the transfer cover.
CAUTION:
• Never reuse O-ring.
• When installing O-ring, never use a tool.
• Never damage O-ring.
JSDIA3990ZZ
JSDIA3992ZZ
JSDIA3992ZZ
A
: M10 bolt
B
: M8 bolt
JSDIA4065ZZ
DLN-80
< UNIT DISASSEMBLY AND ASSEMBLY >
[TRANSFER: TY21C]
TRANSFER COVER
8. Install the transfer cover to the transfer case, and apply anti-cor-
rosive oil onto thread and seats on the mounting bolts. Then
tighten mounting bolts to the specified torque.
9. Using drift (commercial service tool), drive the transfer cover oil
seals.
CAUTION:
• When checking the total preload torque, measure it with-
out the oil seal, then install the oil seal.
• 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.
10. Install gasket onto filler plug and install them to transfer cover.
CAUTION:
• Never reuse gasket.
• Install filler plug after oil is filled.
Inspection
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INSPECTION AFTER DISASSEMBLY
Check items below. If necessary, replace them with new ones.
Transfer cover
Check the bearing mounting surface for wear, cracks and damages.
A
: M10 bolt
B
: M8 bolt
JSDIA4065ZZ
A
: 10.3 +0.6/-0 mm (0.406 +0.024/-0 in)
B
: 0 +0.6/-0 mm (0 +0.024/-0 in)
JSDIA3993ZZ
RING GEAR SHAFT
DLN-81
< UNIT DISASSEMBLY AND ASSEMBLY >
[TRANSFER: TY21C]
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RING GEAR SHAFT
Exploded View
INFOID:0000000009177779
1.
Oil seal
2.
Transfer cover
3.
Filler plug
4.
Gasket
5.
Drain plug
6.
Oil seal
JSDIA4191GB
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