2006 INFINITI QX56 Factory Service Manual

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Page 2025 of 3383

INFINITI QX56 2006 Factory Service Manual FFD-2
PRECAUTIONS
Revision: November 20092006 QX56
PRECAUTIONSPFP:00001
Precautions for Servicing Front Final DriveEDS0044X
Before starting diagnosis of the vehicle, understand the symptoms well. Per

Page 2026 of 3383

INFINITI QX56 2006 Factory Service Manual PREPARATIONFFD-3
CE F
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K L
M A
B
FFD
Revision: November 2009 2006 QX56
PREPARATIONPFP:00002
Special Service ToolsEDS0044Y
The actual shapes of Kent-Moore tools may differ from those of special

Page 2027 of 3383

INFINITI QX56 2006 Factory Service Manual FFD-4
PREPARATION
Revision: November 20092006 QX56
ST33081000
(—)
AdapterRemoving and installing side bearing inner
race.
a: 43 mm (1.69 in) dia
.
b: 33.5 mm (1.32 in) dia.
KV38108300
(J-44195)
Com

Page 2028 of 3383

INFINITI QX56 2006 Factory Service Manual PREPARATIONFFD-5
CE F
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K L
M A
B
FFD
Revision: November 2009 2006 QX56
Commercial Service ToolsEDS0044Z
—
(D-103)
Remover Removing drive pinion front bearing outer
race
—
(C-4307)
Remover

Page 2029 of 3383

INFINITI QX56 2006 Factory Service Manual FFD-6
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
Revision: November 20092006 QX56
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTINGPFP:00003
NVH Troubleshooting ChartEDS00450
Use the char

Page 2030 of 3383

INFINITI QX56 2006 Factory Service Manual DIFFERENTIAL GEAR OILFFD-7
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FFD
Revision: November 2009 2006 QX56
DIFFERENTIAL GEAR OILPFP:KLD30
Changing Differential Gear OilEDS00451
DRAINING
1. Stop the engine.
2. Remove the

Page 2031 of 3383

INFINITI QX56 2006 Factory Service Manual FFD-8
FRONT OIL SEAL
Revision: November 20092006 QX56
FRONT OIL SEALPFP:38189
Removal and InstallationEDS00453
REMOVAL
1. Remove the drive shafts from the front final drive assembly. Refer to FA X - 7

Page 2032 of 3383

INFINITI QX56 2006 Factory Service Manual FRONT OIL SEALFFD-9
CE F
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FFD
Revision: November 2009 2006 QX56
INSTALLATION
1. Apply multi-purpose grease to the lips of the new front oil seal.
Then drive the new front oil seal in

FRONT OIL SEALFFD-9
CE F
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FFD
Revision: November 2009 2006 QX56
INSTALLATION
1. Apply multi-purpose grease to the lips of the new front oil seal.
Then drive the new front oil seal in evenly to 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
preload 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 FFD-14, "
COMPONENTS" .
Do not loosen drive pinion lock nut to adjust the total preload torque. If the drive pinion lock nut
torque or the total preload torque exceeds the specifications, replace the collapsible spacer and
tighten it again to adjust. Refer to FFD-14, "
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 FFD-7, "
DIFFERENTIAL GEAR OIL" .
Tool number : KV38100500 (J-25273)
BDIA0003E
Tool number A: KV38108300 ( — )
B: ST3127S000 (J-25765-A)
Total preload torque: Refer to FFD-15, "
To ta l P r e -
load Torque" .
WDIA0381E

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