Infiniti FX35 / FX45. Manual - part 706

FFD-34

< SERVICE INFORMATION >

FRONT FINAL DRIVE ASSEMBLY

10. Install companion flange (1).

NOTE:
When reusing drive pinion, align the matching mark (B) of drive
pinion with the matching mark (A) of companion flange, and then
install companion flange (1).

11. Apply anti-corrosion oil to the thread and seat of new drive pinion lock nut, and temporarily tighten drive

pinion lock nut to drive pinion.

CAUTION:

Never reuse drive pinion lock nut.

12. Tighten to drive pinion lock nut, while adjust pinion bearing pre-

load torque.

CAUTION:

• Adjust to the lower limit of the drive pinion lock nut tight-

ening torque first.

• After adjustment, rotate drive pinion back and forth 2 to 3

times to check for unusual noise, rotation malfunction,
and other malfunctions.

13. Install differential case assembly. Refer to "Differential Assem-

bly".

CAUTION:

Never install carrier cover yet.

14. Check and adjust drive gear runout, tooth contact, drive gear to

drive pinion backlash, and companion flange runout. Refer to
"Drive Gear Runout", "Tooth Contact", "Backlash", "Companion Flange Runout".
Recheck above items. Readjust the above description, if necessary.

15. Check total preload torque. Refer to "Total Preload Torque".
16. Install carrier cover. Refer to "Differential Assembly".

Differential Assembly

Install side gear thrust washers with the same thickness as the
ones installed prior to disassembly or reinstall the old ones on
the side gears.

PDIA0799J

Tool number

A: ST3127S000 (J-25765-A)

Drive pinion lock nut tightening torque:

127.4 - 245.0 N·m (13.0 - 25.0 kg-m, 94 - 181 ft-lb)

Pinion bearing preload:

0.78 - 1.57 N·m (0.08 - 0.16 kg-m, 7 - 13 in-lb)

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FRONT FINAL DRIVE ASSEMBLY

FFD-35

< SERVICE INFORMATION >

FFD

Install side gears and thrust washers into differential case.

CAUTION:

• Never reuse circular clip.
• Make sure that the circular clip is installed to side gear

(side retainer side).

Align 2 pinion mate gears in diagonally opposite positions, then
rotate and install them into differential case after installing thrust
washer to pinion mate gear.

Align the lock pin holes on differential case with shaft, and install
pinion mate shaft.

Measure side gear end play. If necessary, select the appropriate
side gear thrust washers. Refer to "Differential Side Gear Clear-
ance".

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.

Align the matching mark of drive gear with the mark of differen-
tial case, then place drive gear.

Apply thread locking sealant into the thread hole of drive gear.
• Use Genuine Medium Strength Thread Locking Sealant or

equivalent. Refer to

GI-44, "Recommended Chemical

Product and Sealant"

CAUTION:

Drive gear back and threaded holes shall be cleaned and
degreased sufficiently.

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SPD030

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FFD-36

< SERVICE INFORMATION >

FRONT FINAL DRIVE ASSEMBLY

Install drive gear on the mounting bolts, and then tighten to the
specified torque. Refer to "COMPONENTS (VQ35DE MOD-
ELS)", "COMPONENTS (VK45DE MODELS)".

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.

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 "Side Bearing Pre-
load".

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Tool number

A: ST33230000 (J-25805-01)

B: ST33061000 (J-8107-2)

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Tool number

A: ST30611000 (J-25742-1)

B: KV31103000 (J-38982)

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Tool number

A: ST30611000 (J-25742-1)

B: KV31103000 (J-38982)

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FRONT FINAL DRIVE ASSEMBLY

FFD-37

< SERVICE INFORMATION >

FFD

15. Install selected side bearing adjusting shim (1).

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 to the specified torque. Refer

to "COMPONENTS (VQ35DE MODELS)", "COMPONENTS
(VK45DE MODELS)".

19. Using the drift, press-fit side oil seal so that its surface comes

face to face with the end surface 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.

20. Using the drift, 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

torque. Refer to "Drive Gear Runout", "Tooth Contact", "Backlash", "Total Preload Torque".
Recheck above items. Readjust the above description, if necessary.

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Tool number

A: ST33400001 (J-26082)

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Tool number

A: KV38102100 (J-25803-01)

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