2008 INFINITI QX56 Factory Service Manual

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Page 1233 of 4083

INFINITI QX56 2008 Factory Service Manual PREPARATIONDLN-203
< PREPARATION > [FRONT FINAL DRIVE: M205]
C
EF
G H
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M A
B
DLN
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O P
PREPARATION
PREPARATION
Special Service ToolINFOID:0000000001604440
The actual shapes of Kent-Moore tools

Page 1234 of 4083

INFINITI QX56 2008 Factory Service Manual DLN-204
< PREPARATION >[FRONT FINAL DRIVE: M205]
PREPARATION
KV40104810
(—)
Drift Installing drive pinion front bearing outer
race.
a: 68 mm (2.68 in) dia.
b: 55 mm (2.17 in) dia.
KV38102200
(—)

Page 1235 of 4083

INFINITI QX56 2008 Factory Service Manual PREPARATIONDLN-205
< PREPARATION > [FRONT FINAL DRIVE: M205]
C
EF
G H
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M A
B
DLN
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O P
Commercial Service ToolINFOID:0000000001604441
KV40105230
(—)
Drift Installing drive pinion rear bear

Page 1236 of 4083

INFINITI QX56 2008 Factory Service Manual DLN-206
< SYMPTOM DIAGNOSIS >[FRONT FINAL DRIVE: M205]
NOISE, VIBRATION AND HARSHNESS
(NVH) TROUBLESHOOTING
SYMPTOM DIAGNOSIS
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
NVH Troubleshooting

Page 1237 of 4083

INFINITI QX56 2008 Factory Service Manual DIFFERENTIAL GEAR OILDLN-207
< ON-VEHICLE MAINTENANCE > [FRONT FINAL DRIVE: M205]
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DLN
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ON-VEHICLE MAINTENANCE
DIFFERENTIAL GEAR OIL
Changing Differential Gear OilINFOID:000

Page 1238 of 4083

INFINITI QX56 2008 Factory Service Manual DLN-208
< ON-VEHICLE REPAIR >[FRONT FINAL DRIVE: M205]
SIDE OIL SEAL
ON-VEHICLE REPAIR
SIDE OIL SEAL
Removal and InstallationINFOID:0000000001604445
REMOVAL
1. Remove the front final drive assembly. R

Page 1239 of 4083

INFINITI QX56 2008 Factory Service Manual FRONT OIL SEALDLN-209
< ON-VEHICLE REPAIR > [FRONT FINAL DRIVE: M205]
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FRONT OIL SEAL
Removal and InstallationINFOID:0000000001604446
REMOVAL
1. Remove the drive shafts

Page 1240 of 4083

INFINITI QX56 2008 Factory Service Manual DLN-210
< ON-VEHICLE REPAIR >[FRONT FINAL DRIVE: M205]
FRONT OIL SEAL
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 t

DLN-210
< ON-VEHICLE REPAIR >[FRONT FINAL DRIVE: M205]
FRONT OIL SEAL
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 preloadtorque 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, 5 ft-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 DLN-214, "
Disassembly and Assembly".
• Do not loosen drive pinion lock nu t to adjust the total preload torque. If the drive pinion lock nut
torque or the total preload torque exceeds the sp ecifications, replace the collapsible spacer and
tighten it again to adjust. Refer to DLN-214, "
Disassembly and Assembly".
• After adjustment, rotate drive pinion back and fo rth 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 DLN-207, "
Checking Differential Gear
Oil".
Tool number : KV38100500 (J-25273)
BDIA0003E
Tool number A: KV38108300 (J-44195)
B: ST3127S000 (J-25765-A)
Total preload torque: Refer to DLN-231, "
Inspection
and Adjustment".
WDIA0381E
Revision: March 2010 2008 QX56

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