2011 INFINITI QX56 Factory Service Manual

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Page 1961 of 5598

INFINITI QX56 2011 Factory Service Manual
FRONT OIL SEALDLN-159
< REMOVAL AND INSTALLATION > [FRONT FINAL DRIVE: R180A]
C
EF
G H
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DLN
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O P
3. Apply anti-corrosion oil to the thread and seat of new drive pin- ion lock nut, and t

FRONT OIL SEALDLN-159
< REMOVAL AND INSTALLATION > [FRONT FINAL DRIVE: R180A]
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DLN
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3. Apply anti-corrosion oil to the thread and seat of new drive pin- ion lock nut, and temporarily tighten drive pinion lock nut to drive
pinion, using flange wrench (commercial service tool).
CAUTION:
Never reuse drive pinion lock nut.
4. Tighten drive pinion lock nut within the limits of specified torque so as to keep the pinion bearing preload within a standard val-
ues, using preload gauge (A) [SST: ST3127S000 (J-25765-A)].
CAUTION:
Adjust to the lower limit of the drive pinion lock nut tight-
ening torque first.
If the preload torque exceeds the specified value, replace collapsible spacer and tighte n it again to adjust. Never
loosen drive pinion lock nut to adjust the preload torque.
5. Fit a dial indicator onto the companion flange face (inner side of the propeller shaft mounting bolt holes).
6. Rotate the companion flange to check for runout.
7. Fit a test indicator to the inner side of the companion flange (socket diameter).
8. Rotate the companion flange to check for runout.
9. If the runout value is outside the repair limit, follow the procedure below to adjust.
a. Check for runout while changing the phase between companion flange and drive pinion gear by 90 ° step,
and search for the position where the runout is the minimum.
b. If the runout value is still outside of the limit after the phase has been changed, possible causes are be an
assembly malfunction of drive pinion and pinion bear ing and malfunction of pinion bearing. Check for
these items and repair if necessary.
c. If the runout value is still outsi de of the limit after the check and repair, replace companion flange.
10. Install front propeller shaft. Refer to DLN-129, "
Removal and Installation".
11. Install drive shaft. Refer to FAX-22, "
Removal and Installation".
12. Refill gear oil to the final drive and check oil level. Refer to DLN-155, "
Refilling".
13. Check the final drive for oil leakage. Refer to DLN-155, "
Inspection".
Total preload torque: A value
that add 0.1 – 0.4 N·m
(0.01 – 0.04 kg-m, 1 – 3 in-lb) to
the measured value when re-
moving.
PDIA1003E
Companion flange runout : Refer to DLN-185, "Com-
panion Flange Runout".
Companion flange runout : Refer to DLN-185, "
Com-
panion Flange Runout".
JSDIA0116ZZ
Revision: 2010 May2011 QX56

Page 1962 of 5598

INFINITI QX56 2011 Factory Service Manual
DLN-160
< REMOVAL AND INSTALLATION >[FRONT FINAL DRIVE: R180A]
SIDE OIL SEAL
SIDE OIL SEAL
Exploded ViewINFOID:0000000006222383
Removal and InstallationINFOID:0000000006222384
REMOVAL
1. Drain gear o

Page 1963 of 5598

INFINITI QX56 2011 Factory Service Manual
SIDE OIL SEALDLN-161
< REMOVAL AND INSTALLATION > [FRONT FINAL DRIVE: R180A]
C
EF
G H
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DLN
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2. Install drive shaft. Refer to FAX-22, "Removal and Installation".
3. Refill gear oil

Page 1964 of 5598

INFINITI QX56 2011 Factory Service Manual
DLN-162
< UNIT REMOVAL AND INSTALLATION >[FRONT FINAL DRIVE: R180A]
FRONT FINAL DRIVE ASSEMBLY
UNIT REMOVAL AND INSTALLATION
FRONT FINAL DRIVE ASSEMBLY
Exploded ViewINFOID:0000000006222385
Removal an

Page 1965 of 5598

INFINITI QX56 2011 Factory Service Manual
FRONT FINAL DRIVE ASSEMBLYDLN-163
< UNIT REMOVAL AND INSTALLATION > [FRONT FINAL DRIVE: R180A]
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Install the breather hose (1) as shown in the figure.
- Install the b

Page 1966 of 5598

INFINITI QX56 2011 Factory Service Manual
DLN-164
< UNIT DISASSEMBLY AND ASSEMBLY >[FRONT FINAL DRIVE: R180A]
SIDE SHAFT
UNIT DISASSEMBLY AND ASSEMBLY
SIDE SHAFT
Exploded ViewINFOID:0000000006222387
1. Bushing 2. Bearing cap 3. Side bearing

Page 1967 of 5598

INFINITI QX56 2011 Factory Service Manual
SIDE SHAFTDLN-165
< UNIT DISASSEMBLY AND ASSEMBLY > [FRONT FINAL DRIVE: R180A]
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DisassemblyINFOID:0000000006222388
1. Drain the differential gear oil if necessary.
2.

Page 1968 of 5598

INFINITI QX56 2011 Factory Service Manual
DLN-166
< UNIT DISASSEMBLY AND ASSEMBLY >[FRONT FINAL DRIVE: R180A]
SIDE SHAFT
8. Press differential side shaft out of differential side shaft bearing.
CAUTION:
Never drop differential side shaft.
9.

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