2007 INFINITI QX56 Factory Service Manual

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Page 2561 of 3061

INFINITI QX56 2007 Factory Service Manual RFD-4
< SERVICE INFORMATION >
PREPARATION
KV38107900
(J-39352)
ProtectorInstalling side flange
KV38100800
(J-25604-01)
AttachmentSecuring unit assembly
a: 541 mm (21.30 in) dia.
b: 200 mm (7.87 in) di

Page 2562 of 3061

INFINITI QX56 2007 Factory Service Manual PREPARATION
RFD-5
< SERVICE INFORMATION >
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RFD
N
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KV38100200
(J-26233)
DriftInstalling side bearing inner race
a: 65 mm (2.55 in) dia.
b: 49 mm (1.92 in) dia.
ST33081000
(—)

Page 2563 of 3061

INFINITI QX56 2007 Factory Service Manual RFD-6
< SERVICE INFORMATION >
PREPARATION
Commercial Service Tool
INFOID:0000000003532599
—
(J-8129)
Spring gaugeMeasuring turning torque
KV10112100
(BT-8653-A)
Angle wrenchTightening bolts for driv

Page 2564 of 3061

INFINITI QX56 2007 Factory Service Manual NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
RFD-7
< SERVICE INFORMATION >
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RFD
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NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
NVH Troubleshooting ChartINFOID

Page 2565 of 3061

INFINITI QX56 2007 Factory Service Manual RFD-8
< SERVICE INFORMATION >
DIFFERENTIAL GEAR OIL
DIFFERENTIAL GEAR OIL
Changing Differential Gear OilINFOID:0000000003532601
DRAINING
1. Stop the engine.
2. Remove the drain plug and gasket from th

Page 2566 of 3061

INFINITI QX56 2007 Factory Service Manual FRONT OIL SEAL
RFD-9
< SERVICE INFORMATION >
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RFD
N
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FRONT OIL SEAL
Removal and InstallationINFOID:0000000003532603
REMOVAL
1. Remove the drive shafts from the rear final driv

Page 2567 of 3061

INFINITI QX56 2007 Factory Service Manual RFD-10
< SERVICE INFORMATION >
FRONT OIL SEAL
1. Apply multi-purpose grease to the lips of the new front oil seal.
Then drive the new front oil seal in evenly until it becomes flush
with the gear carr

RFD-10
< SERVICE INFORMATION >
FRONT OIL SEAL
1. Apply multi-purpose grease to the lips of the new front oil seal.
Then drive the new front oil seal in evenly until it becomes flush
with the gear carrier using Tool.
CAUTION:
• Do not reuse front oil seal.
• Do not incline the new front oil seal when installing.
• Apply multi-purpose grease to the lips of the new front oil
seal.
2. Install the companion flange to the drive pinion while aligning the matching marks.
3. Apply anti-corrosive oil to the threads of the drive pinion and the
seating surface of the new drive pinion lock nut. Then adjust the
drive pinion lock nut tightening torque using Tool A, and check
the total preload torque using Tool B.
• The total preload torque should be within the total preload
torque specification. When not replacing the collapsible
spacer, it should also be equal to the measurement taken dur-
ing removal plus an additional 0.56 N·m (0.06 Kg-m, 5 in-lb).
• If the total preload torque is low, tighten the drive pinion lock
nut in 6.8 N·m (0.69 Kg-m, 5ft-lb) increments until the total pre-
load torque is met.
CAUTION:
• Do not reuse drive pinion lock nut.
• Apply anti-corrosive oil to the threads of the drive pinion
and the seating surface of the new drive pinion lock nut.
• Adjust the drive pinion lock nut tightening torque to the
lower limit first. Do not exceed the drive pinion lock nut
specified torque. Refer to RFD-15, "
Disassembly and Assembly".
• Do not loosen drive pinion lock nut to adjust the total preload torque. If the total preload torque
exceeds the specifications, replace the collapsible spacer and tighten it again to adjust. Refer to
RFD-15, "
Disassembly and Assembly".
• After adjustment, rotate drive pinion back and forth 2 to 3 times to check for unusual noise, rota-
tion malfunction, and other malfunctions.
4. Installation of the remaining components is in the reverse order of removal.
CAUTION:
Check the differential gear oil level after installation. Refer to RFD-8, "
Checking Differential Gear
Oil". Tool number : ST15310000 ( — )
PDIA0565E
Tool number A: KV40104000 ( — )
B: ST3127S000 (J-25765-A)
Total preload torque: Refer to RFD-15, "
Disassembly
and Assembly".
WDIA0380E

Page 2568 of 3061

INFINITI QX56 2007 Factory Service Manual SIDE OIL SEAL
RFD-11
< SERVICE INFORMATION >
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B
RFD
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SIDE OIL SEAL
Removal and InstallationINFOID:0000000003532604
REMOVAL
1. Remove the drive shaft from the rear final drive

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