Infiniti FX35, FX50 (S51). Manual - part 613

DIFFERENTIAL ASSEMBLY

DLN-287

< UNIT DISASSEMBLY AND ASSEMBLY >

[REAR FINAL DRIVE: R230]

C

E

F

G

H

I

J

K

L

M

A

B

DLN

N

O

P

• 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.

DLN-288

< UNIT DISASSEMBLY AND ASSEMBLY >

[REAR FINAL DRIVE: R230]

DRIVE PINION

DRIVE PINION

Exploded View

INFOID:0000000005249283

1.

Rear cover

2.

Gasket

3.

Filler plug

4.

Bearing cap

5.

Drain plug

6.

Pinion mate shaft

7.

Pinion mate gear

8.

Lock pin

9.

Pinion mate thrust washer

10. Side gear

11.

Side gear thrust washer

12. Side bearing

13. Side bearing adjusting washer

14. Drive gear

15. Differential case

16. Drive pinion

17. Pinion height adjusting washer

18. Pinion rear bearing

19. Collapsible spacer

20. Side oil seal

21. Gear carrier

22. Pinion front bearing

23. Front oil seal

24. Companion flange

25. Drive pinion lock nut

A.

Oil seal lip

B.

 Screw hole

C.

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

DLN-

278, "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.

JPDID0289GB

DRIVE PINION

DLN-289

< UNIT DISASSEMBLY AND ASSEMBLY >

[REAR FINAL DRIVE: R230]

C

E

F

G

H

I

J

K

L

M

A

B

DLN

N

O

P

Disassembly

INFOID:0000000005249284

1.

Remove differential case assembly. Refer to 

DLN-276, "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.

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.

PDIA0837J

PDIA0750J

SDIA1129E

PDIA0760J

DLN-290

< UNIT DISASSEMBLY AND ASSEMBLY >

[REAR FINAL DRIVE: R230]

DRIVE PINION

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.

Assembly

INFOID:0000000005249285

1.

Install front bearing outer race and rear bearing outer race 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-292,

"Adjustment"

.

PDIA0801J

SDIA0817E

A

: Drift [SST: ST15310000 (

—

)]

B

: Drift [SST: ST35325000 (

—

)]

C

: Drift bar [SST: ST30621000 (

—

)]

SPD992