2006 INFINITI QX56 Factory Service Manual

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Page 2825 of 3383

INFINITI QX56 2006 Factory Service Manual RFD-20
REAR FINAL DRIVE ASSEMBLY
Revision: November 20092006 QX56
6. Remove the side bearing caps.
7. Lift the differential case assembly out using Tool.
CAUTION:
Keep side bearing outer races togeth

Page 2826 of 3383

INFINITI QX56 2006 Factory Service Manual REAR FINAL DRIVE ASSEMBLYRFD-21
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Revision: November 2009 2006 QX56
8. Remove the side bearing inner races using Tools.
CAUTION:
Engage Tool jaws in bearing groove to prevent

Page 2827 of 3383

INFINITI QX56 2006 Factory Service Manual RFD-22
REAR FINAL DRIVE ASSEMBLY
Revision: November 20092006 QX56
14. Turn the pinion mate gear, then remove the pinion mate gear,
pinion mate thrust washer, side gear and side gear thrust
washer from

Page 2828 of 3383

INFINITI QX56 2006 Factory Service Manual REAR FINAL DRIVE ASSEMBLYRFD-23
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8. Remove the drive pinion rear bearing inner race and drive pinion
height adjusting washer using Tool.
9.

REAR FINAL DRIVE ASSEMBLYRFD-23
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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 for 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, cracked, 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
numbers 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 bear-
ing, 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 unusual wear are found, replace with new one.
Gear Carrier
If any wear or cracks are found on the contact sides of gear carrier, replace with new one.
Companion Flange
If any chips (about 0.1mm, 0.004 in) or other damage on the companion flange surface which contacts the
front oil seal lips are found, replace with new one.Tool number: : ST30021000 ( — )
S-PD179
SDIA0817E

Page 2829 of 3383

INFINITI QX56 2006 Factory Service Manual RFD-24
REAR FINAL DRIVE ASSEMBLY
Revision: November 20092006 QX56
ADJUSTING AND SELECTING WASHERS
Side Gear Back Clearance
Assemble the differential parts if they are disassembled. Refer to RFD-28, "

Page 2830 of 3383

INFINITI QX56 2006 Factory Service Manual REAR FINAL DRIVE ASSEMBLYRFD-25
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2. Insert the left and right original side bearing adjusting washers in
place between side bearings and gea

Page 2831 of 3383

INFINITI QX56 2006 Factory Service Manual RFD-26
REAR FINAL DRIVE ASSEMBLY
Revision: November 20092006 QX56
ASSEMBLY
Drive Pinion Assembly
1. Install the drive pinion front and rear bearing outer races using
To o l s .
CAUTION:
Do not reuse d

Page 2832 of 3383

INFINITI QX56 2006 Factory Service Manual REAR FINAL DRIVE ASSEMBLYRFD-27
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7. Press the drive pinion front bearing inner race to the drive pinion
as far as drive pinion lock nut can

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