2007 INFINITI QX56 Factory Service Manual

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Page 2577 of 3061

INFINITI QX56 2007 Factory Service Manual RFD-20
< SERVICE INFORMATION >
REAR FINAL DRIVE ASSEMBLY
3. Remove the carrier cover bolts and separate the carrier cover
from the gear carrier using Tool.
CAUTION:
• Do not damage the mating surfac

Page 2578 of 3061

INFINITI QX56 2007 Factory Service Manual REAR FINAL DRIVE ASSEMBLY
RFD-21
< SERVICE INFORMATION >
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CAUTION:
• Keep side bearing outer races together with inner race.
Do not mix them up.
• Keep side bearing

Page 2579 of 3061

INFINITI QX56 2007 Factory Service Manual RFD-22
< SERVICE INFORMATION >
REAR FINAL DRIVE ASSEMBLY
13. Remove the pinion mate shaft.
14. Turn the pinion mate gear, then remove the pinion mate gear,
pinion mate thrust washer, side gear and sid

Page 2580 of 3061

INFINITI QX56 2007 Factory Service Manual REAR FINAL DRIVE ASSEMBLY
RFD-23
< SERVICE INFORMATION >
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5. Press the drive pinion assembly (with rear inner bearing race
and collapsible spacer) out of the gear carri

REAR FINAL DRIVE ASSEMBLY
RFD-23
< SERVICE INFORMATION >
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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 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 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 unusual wear are found, replace with new one.
SPD892
Tool number: : ST30021000 ( — )
S-PD179
SDIA0817E

Page 2581 of 3061

INFINITI QX56 2007 Factory Service Manual RFD-24
< SERVICE INFORMATION >
REAR FINAL DRIVE ASSEMBLY
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

Page 2582 of 3061

INFINITI QX56 2007 Factory Service Manual REAR FINAL DRIVE ASSEMBLY
RFD-25
< SERVICE INFORMATION >
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1. Apply differential gear oil to the side bearings, and install the dif-
ferential case assembly with the sid

Page 2583 of 3061

INFINITI QX56 2007 Factory Service Manual RFD-26
< SERVICE INFORMATION >
REAR FINAL DRIVE ASSEMBLY
7. If the pulling force is outside the specification, use a thicker or
thinner side bearing adjusting washer to adjust. Refer to RFD-
32, "Insp

Page 2584 of 3061

INFINITI QX56 2007 Factory Service Manual REAR FINAL DRIVE ASSEMBLY
RFD-27
< SERVICE INFORMATION >
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4. Assemble the collapsible spacer to the drive pinion.
CAUTION:
Do not reuse collapsible spacer.
5. Apply dif

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