Infiniti QX56 (Z62). Manual - part 504

DLN-216

< UNIT DISASSEMBLY AND ASSEMBLY >

[REAR FINAL DRIVE: R230]

DRIVE PINION

DRIVE PINION

Exploded View

INFOID:0000000006222425

1.

Rear cover

2.

Bearing cap

3.

Side gear thrust washer

4.

Side gear

5.

Pinion mate thrust washer

6.

Pinion mate gear

7.

Pinion mate shaft

8.

Lock pin

9.

Side bearing

10. Side bearing adjusting washer

11.

Drive pinion

12. Pinion height adjusting washer

13. Pinion rear bearing

14. Collapsible spacer

15. Side flange

16. Circlip

17. Side oil seal

18. Gear carrier

19. Pinion front bearing

20. Front oil seal

21. Companion flange

22. Drive pinion lock nut

23. Drive gear

24. Differential case

25. Gasket

26. Drain plug

27. Filler plug

A.

Oil seal lip

B.

 Screw hole

C.

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

DLN-

206, "Assembly"

.

: Apply gear oil.

: Apply anti-corrosion oil.

: Apply Genuine Silicone RTV or equivalent. Refer to 

GI-22, "Recommended Chemical Products and Sealants"

.

JPDID0397GB

DRIVE PINION

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< UNIT DISASSEMBLY AND ASSEMBLY >

[REAR FINAL DRIVE: R230]

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Disassembly

INFOID:0000000006222426

1.

Remove differential case assembly. Refer to 

DLN-204, "Disassembly"

.

2.

Remove drive pinion lock nut with the flange wrench (commer-
cial service tool).

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 puller (commercial
service tool).

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.

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

GI-22, "Recommended Chemical Products 

and Sealants"

.

Refer to 

GI-4, "Components"

 for symbols not described above.

JSDIA0046ZZ

JSDIA0038ZZ

SDIA1132E

PDIA0760J

DLN-218

< 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.

12. Perform inspection after disassembly. Refer to 

DLN-220,

"Inspection"

.

Assembly

INFOID:0000000006222427

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. For selecting adjust-
ing washer, refer to the latest parts information.

PDIA0801J

SDIA0817E

A

: Drift [SST: KV38103300 (

—

)]

B

: Drift [SST: ST30611000 (J-25742-1)]

C

: Drift bar [SST: ST30621000 (J-25742-5)]

PDIA0944E

DRIVE PINION

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< UNIT DISASSEMBLY AND ASSEMBLY >

[REAR FINAL DRIVE: R230]

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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: ST30022000 (

—

)].

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.

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: ST15310000 (J-25640-B)], install front
oil seal in evenly until it becomes flush with the 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.

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.

PDIA0805J

PDIA0492E

PDIA0762J

PDIA0764J

JSDIA0038ZZ