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.
CAUTION:
Never reuse gasket.
Draining
INFOID:0000000001714211
1.
Stop engine.
2.
Remove drain plug (1) and drain gear oil.
3.
Set a gasket on drain plug (1) and install it to final drive assem-
bly and tighten to the specified torque. Refer to
CAUTION:
Never reuse gasket.
Refilling
INFOID:0000000001714212
1.
Remove filler plug (1). Fill with new gear oil until oil level reaches
the specified level near filler plug mounting hole.
2.
After refilling oil, check oil level. Set a gasket to filler plug (1),
then install it to final drive assembly. Refer to
.
CAUTION:
Never reuse gasket.
PDIA0749J
PDIA0748J
Oil grade and viscosity
: Refer to
.
Oil capacity
: Refer to
.
PDIA0749J
FRONT OIL SEAL
DLN-27
< ON-VEHICLE REPAIR >
[REAR FINAL DRIVE: R200]
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ON-VEHICLE REPAIR
FRONT OIL SEAL
Exploded View
INFOID:0000000001714213
1.
Drive pinion lock nut
2.
Companion flange
3.
Front oil seal
4.
Pinion front bearing
5.
Gear carrier
6.
Side oil seal
7.
Side flange
8.
Collapsible spacer
9.
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
A.
Oil seal lip
B.
Screw hole
C.
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
GI-15, "Recommended Chemical Products and Sealants"
:
Apply Genuine High Strength Thread Locking Sealant or equivalent. Refer to
GI-15, "Recommended Chemical Products
Refer to
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
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
.
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.
1.
Drain gear oil. Refer to
2.
Make a judgment if a collapsible spacer replacement is required.
3.
Remove center muffler with a power tool. Refer to
4.
Remove rear wheel sensor. Refer to
5.
Remove drive shaft from final drive. Then suspend it by wire, etc. Refer to
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
0
“0”
(Front oil seal was replaced once.)
1
01
“01”
(Collapsible spacer and front oil seal were replaced last time.)
0
010
“0” is on the far right.
(Only front oil seal was replaced last time.)
1
...01
“1” is on the far right.
(Collapsible spacer and front oil seal were replaced last time.)
0
...010
FRONT OIL SEAL
DLN-29
< ON-VEHICLE REPAIR >
[REAR FINAL DRIVE: R200]
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6.
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
7.
Remove propeller shaft. Refer to
.
8.
Measure the total preload with the preload gauge (A) [SST:
ST3127S000 (J-25765-A)].
NOTE:
Record the preload measurement.
9.
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
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