Infiniti FX35, FX50 (S51). Manual — part 582
DIFFERENTIAL ASSEMBLY
DLN-163
< UNIT DISASSEMBLY AND ASSEMBLY >
[FRONT FINAL DRIVE: F160A]
C
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A
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DLN
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a.
Place differential case straight up so that side gear to be mea-
sured comes upward.
b.
Using feeler gauge, measure the clearance between side gear
back and differential case at 3 different points, while rotating
side gear. Average the 3 readings, and then measure the clear-
ance of the other side as well.
CAUTION:
To prevent side gear from tilting, insert feeler gauges with
the same thickness from both sides.
c.
If the back clearance is outside the specification, use a thicker/
thinner side gear thrust washer to adjust.
CAUTION:
Select a side gear thrust washer for right and left individu-
ally.
6.
Drive a lock pin into pinion mate shaft, using a punch.
Make sure lock pin is flush with differential case.
CAUTION:
Never reuse lock pin.
JPDID0205GB
Standard
Side gear back clearance
When the back clearance
is large:
Use a thicker thrust wash-
er.
When the back clearance
is small:
Use a thinner thrust wash-
er.
PDIA0576E
SPD030
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< UNIT DISASSEMBLY AND ASSEMBLY >
[FRONT FINAL DRIVE: F160A]
DIFFERENTIAL ASSEMBLY
7.
Align the matching mark of drive gear with the mark of differen-
tial case, then place drive gear.
8.
Apply thread locking sealant into the thread hole of drive gear.
• Use Genuine Medium Strength Thread Locking Sealant or
CAUTION:
Drive gear back and threaded holes must be cleaned and
degreased sufficiently.
9.
Install drive gear on the mounting bolts.
CAUTION:
Tighten bolts in a crisscross fashion.
10. Press side bearing inner races to differential case, using the drift
and the base.
CAUTION:
Never reuse side bearing inner race.
11. Press-fit side bearing outer race into side retainer with the drift
and the drift bar.
CAUTION:
• At first, using a hammer, tap bearing outer race until it
becomes flat to side retainer.
• Never reuse side bearing outer race.
SDIA2593E
SDIA2594E
SDIA0247J
A: Drift [SST: ST33230000 (J-25805-01)]
B: Base [SST: ST33061000 (J-8107-2)]
PDIA0810J
A: Drift bar [SST: ST30611000 (J-25742-1)]
B: Drift [SST: KV31103000 (J-38982)]
PDIA0811J
DIFFERENTIAL ASSEMBLY
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< UNIT DISASSEMBLY AND ASSEMBLY >
[FRONT FINAL DRIVE: F160A]
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12. Press-fit side bearing outer race into gear carrier with the drift
and the drift bar.
CAUTION:
• At first, using a hammer, tap bearing outer race until it
becomes flat to gear carrier.
• Never reuse side bearing outer race.
13. Place the differential case assembly into gear carrier.
14. Measure side bearing preload. If necessary, select the appropri-
ate side bearing adjusting shim. Refer to
.
15. Install selected side bearing adjusting shim (1). Refer to
16. Apply multi-purpose grease to O-ring (2), and install it to side
retainer.
CAUTION:
Never reuse O-ring.
17. Install side retainer assembly to gear carrier.
18. Install side retainer mounting bolts.
19. Using the drift (A) [SST: ST33400001 (J-26082)], press-fit side
oil seal so that its surface comes face-to-face with the end sur-
face of the side retainer.
CAUTION:
• Never reuse oil seal.
• When installing, never incline oil seal.
• Apply multi-purpose grease onto oil seal lips, and gear oil
onto the circumference of oil seal.
A: Drift bar [SST: ST30611000 (J-25742-1)]
B: Drift [SST: KV31103000 (J-38982)]
PDIA0812J
PDIA0671E
PDIA0813E
PDIA0669E
PDIA0787J
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< UNIT DISASSEMBLY AND ASSEMBLY >
[FRONT FINAL DRIVE: F160A]
DIFFERENTIAL ASSEMBLY
20. Using the drift (A) [SST: KV38102100 (J-25803-01)], press-fit
side oil seal so that its surface comes face-to-face with the end
surface of gear carrier.
CAUTION:
• Never reuse oil seal.
• When installing, never incline oil seal.
• Apply multi-purpose grease onto oil seal lips, and gear oil
onto the circumference of oil seal.
21. Apply multi-purpose grease to O-ring, and install it to gear car-
rier.
CAUTION:
Never reuse O-ring.
22. Check and adjust drive gear runout, tooth contact, drive gear to drive pinion backlash, and total preload
Recheck above items. Readjust as described above, if necessary.
23. Apply sealant to mating surface of carrier cover.
• Use Genuine Silicone RTV or equivalent. Refer to
"Recommended Chemical Products and Sealants"
.
CAUTION:
Remove old sealant adhering to mounting surfaces. Also
remove any moisture, oil, or foreign material adhering to
application and mounting surfaces.
24. Install carrier cover on gear carrier and tighten mounting bolts.
25. Set breather connector angle (A) as shown in the figure.
• VQ35HR
PDIA0788J
PDIA0742E
SDIA1648E
: Vehicle front
A
: 0 – 30
°
PDIA0841J
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