2010 INFINITI QX56 Factory Service Manual

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Page 1289 of 4210

INFINITI QX56 2010 Factory Service Manual PREPARATIONDLN-207
< PREPARATION > [FRONT FINAL DRIVE: M205]
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Commercial Service ToolINFOID:0000000005148914
—
(C-4171)
Handle • Removing drive pinion front bearing

Page 1290 of 4210

INFINITI QX56 2010 Factory Service Manual DLN-208
< SYMPTOM DIAGNOSIS >[FRONT FINAL DRIVE: M205]
NOISE, VIBRATION AND HARSHNESS
(NVH) TROUBLESHOOTING
SYMPTOM DIAGNOSIS
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
NVH Troubleshooting

Page 1291 of 4210

INFINITI QX56 2010 Factory Service Manual DIFFERENTIAL GEAR OILDLN-209
< ON-VEHICLE MAINTENANCE > [FRONT FINAL DRIVE: M205]
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ON-VEHICLE MAINTENANCE
DIFFERENTIAL GEAR OIL
Changing Front Differential Gear OilINFO

Page 1292 of 4210

INFINITI QX56 2010 Factory Service Manual DLN-210
< ON-VEHICLE REPAIR >[FRONT FINAL DRIVE: M205]
SIDE OIL SEAL
ON-VEHICLE REPAIR
SIDE OIL SEAL
Removal and InstallationINFOID:0000000005148918
REMOVAL
1. Remove the front final drive assembly. R

Page 1293 of 4210

INFINITI QX56 2010 Factory Service Manual FRONT OIL SEALDLN-211
< ON-VEHICLE REPAIR > [FRONT FINAL DRIVE: M205]
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FRONT OIL SEAL
Removal and InstallationINFOID:0000000005148919
REMOVAL
1. Remove the drive shafts

Page 1294 of 4210

INFINITI QX56 2010 Factory Service Manual DLN-212
< ON-VEHICLE REPAIR >[FRONT FINAL DRIVE: M205]
FRONT OIL SEAL
8. Remove the front oil seal using Tool as shown.
INSTALLATION
1. Apply multi-purpose grease to the lips of the new front oil seal

DLN-212
< ON-VEHICLE REPAIR >[FRONT FINAL DRIVE: M205]
FRONT OIL SEAL
8. Remove the front oil seal using Tool as shown.
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 oilseal.
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 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 DLN-217, "
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-217, "
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:Tool number : SP8P
LDIA0130E
Tool number : KV38100500 (J-25273)
: KV38102200 ( — )
BDIA0003E
Tool number B: ST3127S000 (J-25765-A)
Total preload torque: Refer to DLN-234, "
General
Specification".
WDIA0381E
Revision: April 20092010 QX56

Page 1295 of 4210

INFINITI QX56 2010 Factory Service Manual FRONT OIL SEALDLN-213
< ON-VEHICLE REPAIR > [FRONT FINAL DRIVE: M205]
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Check the differential gear oil level after installation. Refer to DLN-209, "Checking Front Diff

Page 1296 of 4210

INFINITI QX56 2010 Factory Service Manual DLN-214
< ON-VEHICLE REPAIR >[FRONT FINAL DRIVE: M205]
CARRIER COVER
CARRIER COVER
Removal and InstallationINFOID:0000000005148920
REMOVAL
1. Remove the front final drive assembly. Refer to
DLN-215,

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