Infiniti QX56 (Z62). Manual - part 494

 

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Infiniti QX56 (Z62). Manual - part 494

 

 

DLN-176

< UNIT DISASSEMBLY AND ASSEMBLY >

[FRONT FINAL DRIVE: R180A]

DRIVE PINION

DRIVE PINION

Exploded View

INFOID:0000000006222396

1.

Bushing

2.

Bearing cap

3.

Side bearing

4.

Side bearing adjusting washer

5.

Drive pinion

6.

Pinion height adjusting washer

7.

Pinion rear bearing

8.

Collapsible spacer

9.

Gasket

10. Drain plug

11.

Side oil seal (left side)

12. Pinion front bearing

13. Front oil seal

14. Companion flange

15. Drive pinion lock nut

16. Gear carrier

17. Side shaft

18. Side shaft bearing

19. Snap ring

20. Snap ring

21. Side oil seal (right side)

22. Drive gear

23. Differential case assembly

24. Housing spacer

25. Filler plug

26. Carrier cover

A: 

Oil seal lip

B:

Screw hole

C.

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

DLN-

169, "Assembly"

.

: Apply gear oil.

: Apply anti-corrosion oil.

: Apply multi-purpose grease.

JPDID0390GB

DRIVE PINION

DLN-177

< UNIT DISASSEMBLY AND ASSEMBLY >

[FRONT FINAL DRIVE: R180A]

C

E

F

G

H

I

J

K

L

M

A

B

DLN

N

O

P

Disassembly

INFOID:0000000006222397

1.

Remove the side shaft. Refer to 

DLN-165, "Disassembly"

.

2.

Remove the differential assembly. Refer to 

DLN-168, "Disassembly"

.

3.

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

4.

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, marks use paint. Never damage companion
flange and drive pinion.

5.

Remove the companion flange with the puller (commercial ser-
vice tool).

6.

Press the drive pinion assembly.

CAUTION:

Never drop drive pinion assembly.

: Apply Genuine Silicone RTV or equivalent. Refer to 

GI-22, "Recommended Chemical Products and Sealants"

.

: 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.

PDIA0702E

PDIA0799J

PDIA0703E

PDIA0704E

DLN-178

< UNIT DISASSEMBLY AND ASSEMBLY >

[FRONT FINAL DRIVE: R180A]

DRIVE PINION

7.

Remove the front oil seal with a suitable tool.

CAUTION:

Never damage gear carrier.

8.

Remove the drive pinion front bearing inner race.

9.

Remove the collapsible spacer.

10. Remove the drive pinion rear bearing inner race and drive pinion

height adjusting washer with the replacer (commercial service
tool).

11. Remove the drive pinion front and rear bearing outer races by

tapping them uniformly with a suitable tool.

CAUTION:

Never damage gear carrier.

12. Perform inspection after disassembly. Refer to 

DLN-184,

"Inspection"

.

PDIA0716E

S-PD179

PDIA0705E

DRIVE PINION

DLN-179

< UNIT DISASSEMBLY AND ASSEMBLY >

[FRONT FINAL DRIVE: R180A]

C

E

F

G

H

I

J

K

L

M

A

B

DLN

N

O

P

Assembly

INFOID:0000000006222398

1.

Install drive pinion rear bearing outer race and drive pinion front
bearing outer race using Tools.

CAUTION:

• First tap the drive pinion bearing outer race until it

becomes flush with the gear carrier.

• Never reuse drive pinion front and rear bearing outer race.

2.

Select pinion height adjusting washer. Refer to 

DLN-181,

"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.

CAUTION:

Never reuse collapsible spacer.

5.

Assemble drive pinion into gear carrier.

CAUTION:

Apply gear oil to pinion rear bearing.

6.

Assemble pinion front bearing inner race to drive pinion assem-
bly.

CAUTION:

• Never reuse pinion front bearing inner race.
• Apply gear oil to pinion front bearing.

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

B: Drift [SST: ST30313000 (J-25742-3)]

C: Drift [SST: KV38100200 (J-26233)]

PDIA0707E

PDIA0805J

PDIA0708E

 

 

 

 

 

 

 

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