Infiniti FX35, FX50 (S51). Manual — part 584
DIFFERENTIAL ASSEMBLY
DLN-171
< UNIT DISASSEMBLY AND ASSEMBLY >
[FRONT FINAL DRIVE: F160A]
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• If the tooth contact is near the face (face contact), or near the
heel (heel contact), thicken pinion height adjusting washers to
move drive pinion closer to drive gear.
• If the tooth contact is near the flank (flank contact), or near the
toe (toe contact), thin pinion height adjusting washers to move
drive pinion farther from drive gear.
BACKLASH
Before inspection and adjustment, drain gear oil.
1.
Remove carrier cover. Refer to
2.
Fit a dial indicator to the drive gear face to measure the back-
lash.
• If the backlash is outside of the specified value, change the
thickness of side bearing adjusting washer.
Inspection After Disassembly
INFOID:0000000005249205
DRIVE GEAR AND DRIVE PINION
• Clean up the disassembled parts.
• If the gear teeth never mesh or line-up correctly, determine the cause and adjust or replace as necessary.
• If the gears are worn, cracked, damaged, pitted or chipped (by friction) noticeably, replace with new drive
gear and drive pinion as a set.
BEARING
• Clean up the disassembled parts.
• If any chipped (by friction), pitted, worn, rusted or scratched marks, or unusual noise from the bearing is
observed, replace as a bearing assembly (as a new set).
SIDE GEAR AND PINION MATE GEAR
• Clean up the disassembled parts.
• If any cracks or damage on the surface of the tooth is found, replace.
PDIA0440E
PDIA0441E
Standard
Backlash
: Refer to
.
When the backlash is large:
Decrease side bearing adjusting washer thickness.
When the backlash is small:
Increase side bearing adjusting washer thickness.
SDIA0009J
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< UNIT DISASSEMBLY AND ASSEMBLY >
[FRONT FINAL DRIVE: F160A]
DIFFERENTIAL ASSEMBLY
• If any worn or chipped mark on the contact sides of the thrust washer is found, replace.
SIDE GEAR THRUST WASHER AND PINION MATE THRUST WASHER
• Clean up the disassembled parts.
• If it is chipped (by friction), damaged, or unusually worn, replace.
OIL SEAL
• Whenever disassembled, replace.
• If wear, deterioration of adherence (sealing force lips), or damage is detected on the lips, replace them.
DIFFERENTIAL CASE
• Clean up the disassembled parts.
• If any wear or crack on the contact sides of the differential case is found, replace.
COMPANION FLANGE
• Clean up the disassembled parts.
• If any chipped mark [about 0.1 mm, (0.004 in)] or other damage on the contact sides of the lips of the com-
panion flange is found, replace.
DRIVE PINION
DLN-173
< UNIT DISASSEMBLY AND ASSEMBLY >
[FRONT FINAL DRIVE: F160A]
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DRIVE PINION
Exploded View
INFOID:0000000005249206
VQ35HR
JSDIA0020GB
1.
Drive pinion lock nut
2.
Companion flange
3.
Front oil seal
4.
Pinion front bearing
5.
Drive pinion bearing adjusting wash-
er
6.
Drive pinion adjusting washer
7.
Gear carrier
8.
Pinion rear bearing
9.
Pinion height adjusting washer
10. Drive pinion
11.
Drive gear
12. Side oil seal (right side)
13. Side retainer
14. O-ring
15. Side bearing adjusting shim
16. Side bearing
17. Differential case
18. Breather connector
19. Dowel pin
20. Filler plug
21. Drain plug
22. Gasket
23. Carrier cover
24. Gear oil defense
25. Side gear thrust washer
26. Side gear
27. Circular clip
28. Pinion mate thrust washer
29. Pinion mate gear
30. Pinion mate shaft
31. Lock pin
32. Side bearing adjusting washer
33. Side oil seal (left side)
DLN-174
< UNIT DISASSEMBLY AND ASSEMBLY >
[FRONT FINAL DRIVE: F160A]
DRIVE PINION
VK50VE
34. Side shaft bearing
35. Extension tube retainer
36. Side shaft oil seal
37. Dust seal
38. Side shaft
A:
Oil seal lip
B:
Screw hole
: Apply gear oil.
: Apply anti-corrosion oil.
: Apply multi-purpose grease.
: Apply Genuine Silicone RTV or equivalent. Refer to
GI-16, "Recommended Chemical Products and Sealants"
.
:
Apply Genuine Medium Strength Thread Locking Sealant or equivalent. Refer to
GI-16, "Recommended Chemical Prod-
.
Refer to
for symbols not described above.
JPDID0225GB
1.
Drive pinion lock nut
2.
Companion flange
3.
Front oil seal
4.
Pinion front bearing
5.
Drive pinion bearing adjusting wash-
er
6.
Drive pinion adjusting washer
7.
Gear carrier
8.
Pinion rear bearing
9.
Pinion height adjusting washer
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