Content .. 426 427 428 429 ..

Infiniti G37 Coupe. Manual - part 428

DLN-26

< ON-VEHICLE MAINTENANCE >

[REAR FINAL DRIVE: R200]

REAR DIFFERENTIAL GEAR OIL

ON-VEHICLE MAINTENANCE

REAR DIFFERENTIAL GEAR OIL

Inspection

INFOID:0000000001714210

OIL LEAKEGE

• Make sure that oil is not leaking from final drive assembly or around it.

OIL LEVEL

• Remove filler plug (1) and check oil level from filler plug mounting

hole as shown in the figure.

CAUTION:

Never start engine while checking oil level.

• Set a gasket on filler plug (1) and install it on final drive assembly.

Refer to

DLN-38, "Exploded View"

CAUTION:

Never reuse gasket.

Draining

INFOID:0000000001714211

Stop engine.

Remove drain plug (1) and drain gear oil.

Set a gasket on drain plug (1) and install it to final drive assem-
bly and tighten to the specified torque. Refer to

DLN-38,

"Exploded View"

CAUTION:

Never reuse gasket.

Refilling

INFOID:0000000001714212

Remove filler plug (1). Fill with new gear oil until oil level reaches
the specified level near filler plug mounting hole.

After refilling oil, check oil level. Set a gasket to filler plug (1),
then install it to final drive assembly. Refer to

DLN-38, "Exploded

View"

CAUTION:

Never reuse gasket.

PDIA0749J

PDIA0748J

Oil grade and viscosity

: Refer to

MA-10, "Fluids

and Lubricants"

Oil capacity

: Refer to

DLN-60, "General

Specification"

PDIA0749J

FRONT OIL SEAL

DLN-27

< ON-VEHICLE REPAIR >

[REAR FINAL DRIVE: R200]

DLN

ON-VEHICLE REPAIR

FRONT OIL SEAL

Exploded View

INFOID:0000000001714213

Drive pinion lock nut

Companion flange

Front oil seal

Pinion front bearing

Gear carrier

Side oil seal

Side flange

Collapsible spacer

Pinion rear bearing

10. Pinion height adjusting washer

11.

Drive pinion

12. Side bearing adjusting washer

13. Side bearing

14. Side gear thrust washer

15. Circular clip

16. Side gear

17. Lock pin

18. Pinion mate gear

19. Pinion mate thrust washer

20. Pinion mate shaft

21. Drive gear

22. Differential case

23. Bearing cap

24. Filler plug

25. Gasket

26. Rear cover

27. Drain plug

Oil seal lip

Screw hole

After tightening the bolts to the spec-
ified torque, tighten the bolts addi-
tionally by turning the bolts 31 to 36
degrees.

Apply gear oil.

Apply anti-corrosion oil.

Apply Genuine Silicone RTV or equivalent. Refer to

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

GI-15, "Recommended Chemical Products

and Sealants"

Refer to

GI-4, "Components"

for symbols not described on the above.

JPDID0129GB

DLN-28

< ON-VEHICLE REPAIR >

[REAR FINAL DRIVE: R200]

FRONT OIL SEAL

Removal and Installation

INFOID:0000000001714214

REMOVAL

CAUTION:

Verify identification stamp of replacement frequency put in the lower part of gear carrier to determine
replacement for collapsible spacer when replacing front oil seal. Refer to “Identification stamp of
replacement frequency of front oil seal”. If collapsible spacer replacement is necessary, remove final
drive assembly and disassemble it to replace front oil seal and collapsible spacer. Refer to

DLN-36,

"Removal and Installation"

and

DLN-39, "Disassembly"

NOTE:
The reuse of collapsible spacer is prohibited in principle. However, it is reusable on a one-time basis
only in cases when replacing front oil seal.

Identification stamp of replacement frequency of front oil seal

• The diagonally shaded area in the figure shows stamping point for

replacement frequency of front oil seal.

• The following table shows if collapsible spacer replacement is

needed before replacing front oil seal.
When collapsible spacer replacement is required, disassemble
final drive assembly to replace collapsible spacer and front oil seal.
Refer to

DLN-39, "Disassembly"

CAUTION:

Make a stamping after replacing front oil seal.

• After replacing front oil seal, make a stamping on the stamping point in accordance with the table below in

order to identify replacement frequency.

CAUTION:

Make a stamping from left to right.

Drain gear oil. Refer to

DLN-26, "Draining"

Make a judgment if a collapsible spacer replacement is required.

Remove center muffler with a power tool. Refer to

EX-5, "Exploded View"

Remove rear wheel sensor. Refer to

BRC-100, "Exploded View"

Remove drive shaft from final drive. Then suspend it by wire, etc. Refer to

RAX-10, "Exploded View"

Stamp

collapsible spacer replacement

No stamp

Not required

“0” or “0” on the far right of stamp

Required

“01” or “1” on the far right of stamp

Not required

JSDIA0104ZZ

Stamp before stamping

Stamping on the far right

Stamping

No stamp

“0”
(Front oil seal was replaced once.)

“01”
(Collapsible spacer and front oil seal were replaced last time.)

010

“0” is on the far right.
(Only front oil seal was replaced last time.)

...01

“1” is on the far right.
(Collapsible spacer and front oil seal were replaced last time.)

...010

FRONT OIL SEAL

DLN-29

< ON-VEHICLE REPAIR >

[REAR FINAL DRIVE: R200]

DLN

Install attachment (A) [SST: KV40104100 (

—

)] to side

flange, and then pull out the side flange with the sliding hammer
(B) [SST: ST36230000 (J-25840-A)].
NOTE:
Circular clip installation position: Final drive side

Remove propeller shaft. Refer to

DLN-14, "Exploded View"

Measure the total preload with the preload gauge (A) [SST:
ST3127S000 (J-25765-A)].
NOTE:
Record the preload measurement.

Put matching mark (B) on the end of the drive pinion. The
matching mark (B) 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 (A) on the final drive companion flange (1)
indicates the maximum vertical runout position.

10. Remove drive pinion lock nut using the flange wrench.

11. Remove companion flange using pullers.

JSDIA0105ZZ

JSDIA0015ZZ

JSDIA0016ZZ

JSDIA0021ZZ

JSDIA0022ZZ

Content .. 426 427 428 429 ..