Infiniti FX35, FX50 (S51). Manual - part 603

 

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Infiniti FX35, FX50 (S51). Manual - part 603

 

 

DRIVE PINION

DLN-247

< UNIT DISASSEMBLY AND ASSEMBLY >

[REAR FINAL DRIVE: R200]

C

E

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G

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DLN

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AWD : Disassembly

INFOID:0000000005249253

1.

Remove differential case assembly. Refer to 

DLN-225, "AWD : Disassembly"

.

2.

Remove drive pinion lock nut with the flange wrench.

3.

Put matching mark (B) on the end of drive pinion. The matching
mark should be in line with the matching mark (A) on companion
flange (1).

CAUTION:

For matching mark, use paint. Never damage companion
flange and drive pinion.
NOTE:
The matching mark on the final drive companion flange indicates
the maximum vertical runout position.
When replacing companion flange, matching mark is not neces-
sary.

4.

Remove companion flange using the suitable pullers.

25. Gasket

26. Rear cover

27. Drain plug

A.

Oil seal lip

B.

 Screw hole

C.

Comply with the assembly proce-
dure when tightening. Refer to 

DLN-

227, "AWD : Assembly"

.

: Apply gear oil.

: Apply anti-corrosion oil.

: Apply Genuine Silicone RTV or equivalent. Refer to 

GI-16, "Recommended Chemical Products and Sealants"

.

: Apply Genuine High Strength Thread Locking Sealant or equivalent. Refer to 

GI-16, "Recommended Chemical Products 

and Sealants"

.

Refer to 

GI-4, "Components"

 for symbols not described above.

PDIA0837J

PDIA0750J

SDIA1129E

DLN-248

< UNIT DISASSEMBLY AND ASSEMBLY >

[REAR FINAL DRIVE: R200]

DRIVE PINION

5.

Press drive pinion assembly out of gear carrier.

CAUTION:

Never drop drive pinion assembly.

6.

Remove front oil seal.

7.

Remove side oil seal.

8.

Remove pinion front bearing inner race.

9.

Remove collapsible spacer.

10. Remove pinion rear bearing inner race and pinion height adjust-

ing washer with the replacer (A) (commercial service tool).

11. Tap pinion front/rear bearing outer races uniformly using a brass

rod or equivalent to remove them.

CAUTION:

Never damage gear carrier.

PDIA0760J

PDIA0801J

SDIA0817E

DRIVE PINION

DLN-249

< UNIT DISASSEMBLY AND ASSEMBLY >

[REAR FINAL DRIVE: R200]

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DLN

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AWD : Assembly

INFOID:0000000005249254

1.

Install front bearing outer race (1) and rear bearing outer race
(2) using drifts.

CAUTION:

• At first, using a hammer, tap bearing outer race until it

becomes flat to gear carrier.

• Never reuse pinion front and rear bearing outer race.

2.

Select drive pinion height adjusting washer. Refer to 

DLN-251,

"AWD : Adjustment"

.

3.

Install selected drive pinion height adjusting washer (2) to drive
pinion. Press pinion rear bearing inner race (1) to it, using drift
(A) [SST: ST30901000 (J-26010-01)].

CAUTION:

• Be careful of the direction of pinion height adjusting

washer. (Assemble as shown in the figure.)

• Never reuse pinion rear bearing inner race.

4.

Assemble collapsible spacer to drive pinion.

CAUTION:

Never reuse collapsible spacer.

5.

Apply gear oil to pinion rear bearing, and assemble drive pinion
into gear carrier.

6.

Apply gear oil to pinion front bearing, and assemble pinion front
bearing inner race to drive pinion assembly.

CAUTION:

Never reuse pinion front bearing inner race.

A

: Drift [SST: ST30720000 (J-25405)]

B

: Drift [SST: KV40105230 (

)]

C

: Drift bar [SST: ST30611000 (J-25742-1)]

D

: Drift [SST: ST30613000 (J-25742-3)]

PDIA0761J

PDIA0805J

PDIA0492E

DLN-250

< UNIT DISASSEMBLY AND ASSEMBLY >

[REAR FINAL DRIVE: R200]

DRIVE PINION

7.

Using suitable spacer (A), press the pinion front bearing inner
race to drive pinion as far as drive pinion nut can be tightened.

8.

Using the drift (A) [SST: ST30720000 (J-25405)], install front oil
seal as shown in figure.

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.

9.

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.

10. Apply anti-corrosion oil to the thread and seat of drive pinion

lock nut, and temporarily tighten drive pinion lock nut to drive
pinion.

CAUTION:

Never reuse drive pinion lock nut.

11. Adjust to the drive pinion lock nut tightening torque and pinion

bearing preload torque.

CAUTION:

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

ening torque first.

• If the preload torque exceeds the specified value, replace

collapsible spacer and tighten it again to adjust. Never
loosen drive pinion lock nut to adjust the preload torque.

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

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

PDIA0762J

PDIA0764J

PDIA0750J

A

: Preload gauge [SST: ST3127S000 (J-25765-A)]

Standard

Pinion bearing preload

: Refer to 

DLN-256, "Pre-

load Torque"

.

PDIA0765J

 

 

 

 

 

 

 

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