2009 INFINITI QX56 Factory Service Manual

fuel belt low beam refrigerant type height infotainment

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Page 1297 of 4171

INFINITI QX56 2009 Factory Service Manual
PREPARATIONDLN-241
< PREPARATION > [REAR FINAL DRIVE: R230]
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Tool name Description
Spacer Installing drive pinion front bearing inner race
a: 60 mm (2.36 in) dia.
b: 3

Page 1298 of 4171

INFINITI QX56 2009 Factory Service Manual
DLN-242
< SYMPTOM DIAGNOSIS >[REAR FINAL DRIVE: R230]
NOISE, VIBRATION AND HARSHNESS
(NVH) TROUBLESHOOTING
SYMPTOM DIAGNOSIS
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
NVH Troubleshooting

Page 1299 of 4171

INFINITI QX56 2009 Factory Service Manual
DESCRIPTIONDLN-243
< SYMPTOM DIAGNOSIS > [REAR FINAL DRIVE: R230]
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DESCRIPTION
Cross-Sectional ViewINFOID:0000000004193553
1. Side flange 2. Pinion mate gear 3. Drive

Page 1300 of 4171

INFINITI QX56 2009 Factory Service Manual
DLN-244
< ON-VEHICLE MAINTENANCE >[REAR FINAL DRIVE: R230]
DIFFERENTIAL GEAR OIL
ON-VEHICLE MAINTENANCE
DIFFERENTIAL GEAR OIL
Changing Differential Gear OilINFOID:0000000004193554
DRAINING
1. Stop th

Page 1301 of 4171

INFINITI QX56 2009 Factory Service Manual
FRONT OIL SEALDLN-245
< ON-VEHICLE REPAIR > [REAR FINAL DRIVE: R230]
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ON-VEHICLE REPAIR
FRONT OIL SEAL
Removal and InstallationINFOID:0000000005877760
REMOVAL
1. Remov

Page 1302 of 4171

INFINITI QX56 2009 Factory Service Manual
DLN-246
< ON-VEHICLE REPAIR >[REAR FINAL DRIVE: R230]
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

DLN-246
< ON-VEHICLE REPAIR >[REAR FINAL DRIVE: R230]
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 fron t 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 suitable 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, 5ft-lb) increments until the total pre-
load torque is met.
CAUTION:
Do not reuse drive pinion lock nut.
Apply anti-corrosive oil to th e 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-253, "Disassembly and
Assembly".
Do not loosen drive pinion lock nu t to adjust the total preload torque. If the total preload torque
exceeds the specifications, replace the collapsible sp acer and tighten it again to adjust. Refer to
DLN-253, "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-244, "Checking Differential Gear
Oil".
Tool number : ST15310000 ( — )
PDIA0565E
Tool number B: ST3127S000 (J-25765-A)
Total preload torque: Refer to
DLN-253, "Disassem-
bly and Assembly".
WDIA0380E
Revision: December 20092009 QX56

Page 1303 of 4171

INFINITI QX56 2009 Factory Service Manual
SIDE OIL SEALDLN-247
< ON-VEHICLE REPAIR > [REAR FINAL DRIVE: R230]
C
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DLN
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SIDE OIL SEAL
Removal and InstallationINFOID:0000000004193557
REMOVAL
1. Remove the drive shaft fr

Page 1304 of 4171

INFINITI QX56 2009 Factory Service Manual
DLN-248
< ON-VEHICLE REPAIR >[REAR FINAL DRIVE: R230]
SIDE OIL SEAL
Check the differential gear oil level
after installation. Refer to DLN-244, "Checking Differential Gear
Oil".
Revision: December 2

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