Infiniti G37 Coupe. Manual — part 448
DLN-106
< DISASSEMBLY AND ASSEMBLY >
[REAR FINAL DRIVE: R200V]
DIFFERENTIAL ASSEMBLY
13. Put matching marks with paint.
14. Loosen screws on differential cases A and B.
15. Separate differential case A and B, then remove viscous cou-
pling, pinion mate gear, pinion mate thrust washer, side gear,
pinion mate shaft, circular clip and side gear thrust washer from
differential cases.
A/T : Assembly
INFOID:0000000001714279
1.
Install side gear thrust washer with the same thickness as the
ones installed prior to disassembly or reinstall the old ones on
the side gear.
PDIA0640E
SDIA0189J
PDIA0642E
SDIA0196J
DIFFERENTIAL ASSEMBLY
DLN-107
< DISASSEMBLY AND ASSEMBLY >
[REAR FINAL DRIVE: R200V]
C
E
F
G
H
I
J
K
L
M
A
B
DLN
N
O
P
2.
Install side gear and thrust washer into differential case B.
CAUTION:
Make sure that the circular clip is installed to side gear.
3.
Install pinion mate assembly (pinion mate shaft, pinion mate
gears and pinion mate thrust washers) into differential case B.
CAUTION:
Install the pinion mate shaft groove side to side gear.
4.
Install viscous coupling into differential case B.
5.
Install side gear thrust washer with the same thickness as the
ones installed prior to disassembly or reinstall the old ones on
the viscous coupling.
6.
Align the matching marks and install differential case A into dif-
ferential case B.
7.
Measure side gear end play. If necessary, select the appropriate side gear thrust washer.
a.
Place differential assembly so that right side gear is on the upper side.
b.
Measure the clearance between right side gear back and differ-
ential case using feeler gauge, while rotating right side gear with
a suitable tool attached to splines.
CAUTION:
• Never place feeler gauge at groove side of differential
case.
• To prevent side gear from tilting, insert feeler gauges with the same thickness from both sides.
c.
If the back clearance is outside the specification, use a thicker/thinner side gear thrust washer to adjust.
CAUTION:
SDIA0197J
SDIA0198J
PDIA0643E
Standard
Side gear back clearance
When the back clearance
is large:
Use a thicker thrust wash-
er.
When the back clearance
is small:
Use a thinner thrust wash-
er.
PDIA0641E
DLN-108
< DISASSEMBLY AND ASSEMBLY >
[REAR FINAL DRIVE: R200V]
DIFFERENTIAL ASSEMBLY
• Adjust the clearance with the left side gear thrust washer only.
• Only one side gear thrust washer can be selected.
8.
Align the matching mark of differential case with the mark of
drive gear, then place drive gear.
9.
Apply thread locking sealant into the thread hole of drive gear.
• Use Genuine High Strength Thread Locking Sealant or
CAUTION:
Clean and degrease drive gear back and threaded holes
sufficiently.
10. Install drive gear on the mounting bolts.
CAUTION:
• Tighten bolts in a crisscross fashion.
• After tightening the bolts to the specified torque, tighten
the bolts additionally by turning the bolts 31 to 36
degrees.
11. Press side bearing inner races to differential case, using the drift
(A) [SST: KV38100300 (J-25523)] and the base (B) [SST:
ST33061000 (J-8107-2)].
CAUTION:
Never reuse side bearing inner race.
SDIA2593E
SDIA2594E
SDIA0247J
SPD353
DIFFERENTIAL ASSEMBLY
DLN-109
< DISASSEMBLY AND ASSEMBLY >
[REAR FINAL DRIVE: R200V]
C
E
F
G
H
I
J
K
L
M
A
B
DLN
N
O
P
12. Install differential case assembly with side bearing outer races
into gear carrier.
13. Measure side bearing preload. If necessary, select the appropri-
ate side bearing adjusting washers. Refer to
.
14. Insert selected left and right side bearing adjusting washers in
place between side bearings and gear carrier.
15. Align matching marks on bearing cap with that on gear carrier.
16. Install bearing caps and tighten bearing cap mounting bolts.
17. Using the drift [SST: KV38100200 (J-26233)], drive side oil seals
until it becomes flush with the case end.
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.
18. Check and adjust drive gear runout, tooth contact, drive gear to
drive pinion backlash, and total preload torque. Refer to
Recheck above items. Readjust the above description, if neces-
sary.
19. Apply sealant to mating surface of rear cover.
• Use Genuine Silicone RTV or equivalent. Refer to
"Recommended Chemical Products and Sealants"
.
CAUTION:
Remove old sealant adhering to mounting surfaces. Also
remove any moisture, oil, or foreign material adhering to
application and mounting surfaces.
20. Install rear cover on gear carrier and tighten mounting bolts.
SPD919
SPD924
PDIA0069E
SPD560
PDIA0961E
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