2008 INFINITI QX56 Factory Service Manual

oil additives wiring diagram air condition wheel alignment mileage sensor

Page 1289 of 4083

INFINITI QX56 2008 Factory Service Manual REAR FINAL DRIVEDLN-259
< DISASSEMBLY AND ASSEMBLY > [REAR FINAL DRIVE: R230]
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5. Press the drive pinion assembly (with rear inner bearing race and collapsible spacer)

REAR FINAL DRIVEDLN-259
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5. Press the drive pinion assembly (with rear inner bearing race and collapsible spacer) out of the gear carrier.
CAUTION:
Do not drop drive pinion assembly.
6. Remove the front oil seal. CAUTION:
Do not damage gear carrier.
7. Remove the drive pinion front bearing inner race.
8. Remove the drive pinion rear bearing inner race and drive pinion height adjusting washer using Tool.
9. Remove the drive pinion front and rear bearing outer races by tapping them uniformly using suitable tool.
CAUTION:
Do not damage gear carrier.
INSPECTION AFTER DISASSEMBLY
Clean the disassembled parts. Then inspect the parts fo r wear or damage. If wear or damage are found, follow
the measures below.
Drive Pinion and Drive Gear
• If the drive pinion and drive gear teeth do not mesh or line-up correctly, determine the cause and adjust, repair, or replace as necessary.
• If the drive pinion or drive gear are worn, crack ed, damaged, pitted or chipped (by friction) noticeably,
replace with new drive pinion and drive gear.
• Drive pinion and drive gear are supplied in matched sets only. Matching numbers on both drive pinion and
drive gear are etched for verification. If a new drive pinion and drive gear set are being used, verify the num-
bers of each drive pinion and drive gear before proceeding with assembly.
Bearing
• If bearings are chipped (by friction), pitted, worn, rusted, scratched, or unusual noise is coming from bearing,replace with new bearing assembly (as a new set).
• Bearing must be replaced with a new one whenever disassembled.
Side Gear and Pinion Mate Gear
• If any cracks or damage are found on the surface of the teeth, replace with new one.
• If any worn or chipped marks are found on the side of the side gear and pinion mate gear which contact the thrust washer, replace with new one.
• Replace both side gear and pinion mate gear as a set when replacing side gear or pinion mate gear.
Side Gear Thrust Washer and Pinion Mate Thrust Washer
• If any chips (by friction), damage, or unus ual wear are found, replace with new one.
SPD892
Tool number: : ST30021000 ( — )
S-PD179
SDIA0817E
Revision: March 2010 2008 QX56

Page 1290 of 4083

INFINITI QX56 2008 Factory Service Manual DLN-260
< DISASSEMBLY AND ASSEMBLY >[REAR FINAL DRIVE: R230]
REAR FINAL DRIVE
Gear Carrier
• If any wear or cracks are found on the contact sides of gear carrier, replace with new one.
Companion Fla

Page 1291 of 4083

INFINITI QX56 2008 Factory Service Manual REAR FINAL DRIVEDLN-261
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1. Apply differential gear oil to the side bearings, and install the dif- ferential case

Page 1292 of 4083

INFINITI QX56 2008 Factory Service Manual DLN-262
< DISASSEMBLY AND ASSEMBLY >[REAR FINAL DRIVE: R230]
REAR FINAL DRIVE
7. If the pulling force is outside the specification, use a thicker or
thinner side bearing adjusting washer to adjust. Re

Page 1293 of 4083

INFINITI QX56 2008 Factory Service Manual REAR FINAL DRIVEDLN-263
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4. Assemble the collapsible spacer to the drive pinion. CAUTION:
Do not reuse collapsible

Page 1294 of 4083

INFINITI QX56 2008 Factory Service Manual DLN-264
< DISASSEMBLY AND ASSEMBLY >[REAR FINAL DRIVE: R230]
REAR FINAL DRIVE
10. Apply anti-corrosive oil to the threads of the drive pinion and the
seating surface of the new drive pinion lock nut.

Page 1295 of 4083

INFINITI QX56 2008 Factory Service Manual REAR FINAL DRIVEDLN-265
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4. Align the lock pin hole on the differential case with the lock pin hole on the pinion

Page 1296 of 4083

INFINITI QX56 2008 Factory Service Manual DLN-266
< DISASSEMBLY AND ASSEMBLY >[REAR FINAL DRIVE: R230]
REAR FINAL DRIVE
10. Press the side bearing inner races into the differential case
using Tools.
CAUTION:
Do not reuse side bearing inner ra

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