2011 INFINITI QX56 Factory Service Manual

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Page 2009 of 5598

INFINITI QX56 2011 Factory Service Manual
DIFFERENTIAL ASSEMBLYDLN-207
< UNIT DISASSEMBLY AND ASSEMBLY > [REAR FINAL DRIVE: R230]
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2. Install side gears and thrust washers into differential case. CAUTION:
Make

Page 2010 of 5598

INFINITI QX56 2011 Factory Service Manual
DLN-208
< UNIT DISASSEMBLY AND ASSEMBLY >[REAR FINAL DRIVE: R230]
DIFFERENTIAL ASSEMBLY
b. Using feeler gauge, measure the clearance between side gear
back and differential case at 3 different points

Page 2011 of 5598

INFINITI QX56 2011 Factory Service Manual
DIFFERENTIAL ASSEMBLYDLN-209
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CAUTION:
Check the tightening angl e using the angle wrench [SST: KV10112100 (

Page 2012 of 5598

INFINITI QX56 2011 Factory Service Manual
DLN-210
< UNIT DISASSEMBLY AND ASSEMBLY >[REAR FINAL DRIVE: R230]
DIFFERENTIAL ASSEMBLY
16. Using the drift [SST: ST35271000 (J-26091)], drive side oil seals
until it becomes flush with the case end.

DLN-210
< UNIT DISASSEMBLY AND ASSEMBLY >[REAR FINAL DRIVE: R230]
DIFFERENTIAL ASSEMBLY
16. Using the drift [SST: ST35271000 (J-26091)], drive side oil seals
until it becomes flush with the case end.
CAUTION:
Never reuse oil seal.
When installing, n ever incline oil seal.
Apply multi-purpose grease onto oil seal lips, and gear oil
onto the circumference of oil seal.
17. Check and adjust drive gear runout, tooth contact, drive gear to drive pinion backlash, and total preload torque. Refer to DLN-
210, "Adjustment".
Recheck above items. Readjust the above description, if neces-
sary.
18. Apply sealant to mating surface of rear cover. Use Genuine Silicone RTV or equivalent. Refer to GI-22,
"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.
19. Install rear cover on gear carrier and tighten mounting bolts.
20. Install side flange with the following procedure.
a. Attach the protector [SST: KV38108000 ( — )] to side oil seal.
b. After the side flange is inserted and the serrated part of side gear has engaged the serrated part of flange, remove the pro-
tector.
c. Insert the side flange until the se rrated part of the side flange
has engaged the serrated part of the side gear and remove the
protector.
NOTE:
When installation is completed, driving sound of the side flange
turns into a sound that seems to affect the whole final drive.
d. Confirm that the dimension of the side flanges (1) installation measurement (A) in the figure comes into the following.
AdjustmentINFOID:0000000006222423
TOTAL PRELOAD TORQUE
Before inspection and adjustment, drain gear oil.
1. Secure final drive assembly onto an attachment [SST: KV38100800 ( — )].
2. Remove side flanges.
3. Rotate drive pinion back and forth 2 to 3 times to check for unusual noise and rotation malfunction.
SPD560
PDIA0961E
SDIA0822E
A : 342.2 mm (13.47 in)
JSDIA0185ZZ
Revision: 2010 May2011 QX56

Page 2013 of 5598

INFINITI QX56 2011 Factory Service Manual
DIFFERENTIAL ASSEMBLYDLN-211
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4. Rotate drive pinion at least 20 times to check for smooth opera- tion of th

Page 2014 of 5598

INFINITI QX56 2011 Factory Service Manual
DLN-212
< UNIT DISASSEMBLY AND ASSEMBLY >[REAR FINAL DRIVE: R230]
DIFFERENTIAL ASSEMBLY
5. Install bearing caps in their correct locations and tighten bearing
cap mounting bolts.
6. Turn the carrier

Page 2015 of 5598

INFINITI QX56 2011 Factory Service Manual
DIFFERENTIAL ASSEMBLYDLN-213
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2. Apply red lead to drive gear. CAUTION:
Apply red lead to both the f aces of

Page 2016 of 5598

INFINITI QX56 2011 Factory Service Manual
DLN-214
< UNIT DISASSEMBLY AND ASSEMBLY >[REAR FINAL DRIVE: R230]
DIFFERENTIAL ASSEMBLY
4. If tooth contact is improperly adjusted, follow the procedure
below to adjust the pinion height [dimension (

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