Infiniti G37 Coupe. Manual — part 439
DLN-70
< ON-VEHICLE REPAIR >
[REAR FINAL DRIVE: R200V]
FRONT OIL SEAL
ON-VEHICLE REPAIR
FRONT OIL SEAL
M/T
M/T : Exploded View
INFOID:0000000001714260
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. Drive gear
15. Differential case B
16. Side gear thrust washer
17. Circular clip
18. Side gear
19. Pinion mate shaft
20. Pinion mate thrust washer
21. Pinion mate gear
22. Viscous coupling
23. Differential case A
24. Bearing cap
25. Filler plug
26. Gasket
27. Rear cover
28. 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"
JSDIA0037GB
FRONT OIL SEAL
DLN-71
< ON-VEHICLE REPAIR >
[REAR FINAL DRIVE: R200V]
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M/T : Removal and Installation
INFOID:0000000001714261
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
"M/T : Removal and Installation"
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 made 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
:
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.
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
JSDIA0108ZZ
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
DLN-72
< ON-VEHICLE REPAIR >
[REAR FINAL DRIVE: R200V]
FRONT OIL SEAL
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 a puller.
JSDIA0105ZZ
PDIA1006E
JSDIA0038ZZ
JSDIA0039ZZ
JSDIA0040ZZ
FRONT OIL SEAL
DLN-73
< ON-VEHICLE REPAIR >
[REAR FINAL DRIVE: R200V]
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12. Remove front oil seal using the puller (A) [SST: KV381054S0 (J-
34286)].
INSTALLATION
1.
Apply multi-purpose grease to front oil seal lips.
2.
Install front oil seal using the drift (A) [SST: ST30720000 (J-
25405)] as shown in figure.
CAUTION:
• Never reuse oil seal.
• Never incline oil seal when installing.
3.
Align the matching mark (B) of drive pinion with the matching
mark (A) of companion flange (1), and then install the compan-
ion flange (1).
PDIA0980E
PDIA0752J
JSDIA0038ZZ
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