2011 INFINITI QX56 Factory Service Manual

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Page 1985 of 5598

INFINITI QX56 2011 Factory Service Manual
DRIVE PINIONDLN-183
< UNIT DISASSEMBLY AND ASSEMBLY > [FRONT FINAL DRIVE: R180A]
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10. Write down exact measurement (the value of feeler gauge).
11. Correct the pinion

Page 1986 of 5598

INFINITI QX56 2011 Factory Service Manual
DLN-184
< UNIT DISASSEMBLY AND ASSEMBLY >[FRONT FINAL DRIVE: R180A]
DRIVE PINION
1. Fit a dial indicator onto the companion flange face (inner side of
the propeller shaft mounting bolt holes).
2. Rot

DLN-184
< UNIT DISASSEMBLY AND ASSEMBLY >[FRONT FINAL DRIVE: R180A]
DRIVE PINION
1. Fit a dial indicator onto the companion flange face (inner side of
the propeller shaft mounting bolt holes).
2. Rotate companion flange to check for runout.
3. Fit a test indicator to the inner side of companion flange (socket diameter).
4. Rotate companion flange to check for runout.
5. If the runout value is outside the runout li mit, follow the procedure below to adjust.
a. Check for runout while changing the phase between companion flange and drive pinion by 90 ° step, and
search for the position where the runout is the minimum.
b. If the runout value is still outside of the limit after the phase has been changed, possible cause will be an
assembly malfunction of drive pinion and pinion bearing and malfunction of pinion bearing. Check for
these items and repair if necessary.
c. If the runout value is still outside of the limit after the check and repair, replace companion flange.
InspectionINFOID:0000000006222400
INSPECTION AFTER DISASSEMBLY
Drive Gear and Drive Pinion
Clean up the disassembled parts.
If the gear teeth never mesh or line-up correctly, det ermine the cause and adjust or replace as necessary.
If the gears are worn, cracked, damaged, pitted or ch ipped (by friction) noticeably, replace with new drive
gear and drive pinion as a set.
Bearing
Clean up the disassembled parts.
If any chipped (by friction), pitted, worn, rusted or scratched marks, or unusual noise from the bearing is
observed, replace as a bearing assembly (as a new set).
Oil Seal
Whenever disassembled, replace.
If wear, deterioration of adherence (sealing force lips) , or damage is detected on the lips, replace them.
Companion Flange
Clean up the disassembled parts.
If any chipped mark [about 0.1 mm, (0.004 in)] or other damage on the contact sides of the lips of the com-
panion flange is found, replace. Companion flange runout : Refer to
DLN-185, "
Com-
panion Flange Runout".
Companion flange runout : Refer to DLN-185, "
Com-
panion Flange Runout".
JSDIA0116ZZ
Revision: 2010 May2011 QX56

Page 1987 of 5598

INFINITI QX56 2011 Factory Service Manual
SERVICE DATA AND SPECIFICATIONS (SDS)
DLN-185
< SERVICE DATA AND SPECIFICATIONS (SDS) [FRONT FINAL DRIVE: R180A]
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SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA A

Page 1988 of 5598

INFINITI QX56 2011 Factory Service Manual
DLN-186
< PRECAUTION >[REAR FINAL DRIVE: R230]
PRECAUTIONS
PRECAUTION
PRECAUTIONS
Service Notice or Precautions for Rear Final DriveINFOID:0000000006222406
Check for the correct installation status

Page 1989 of 5598

INFINITI QX56 2011 Factory Service Manual
PREPARATIONDLN-187
< PREPARATION > [REAR FINAL DRIVE: R230]
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PREPARATION
PREPARATION
Special Service ToolINFOID:0000000006222407
The actual shapes of Kent-Moore t ools

Page 1990 of 5598

INFINITI QX56 2011 Factory Service Manual
DLN-188
< PREPARATION >[REAR FINAL DRIVE: R230]
PREPARATION
ST35271000
(J26091)
Drift
a: 72 mm (2.83 in) dia.
b: 63 mm (2.48 in) dia. Installing side oil seal
K V 1 0 1111 0 0
(J-37228)
Seal cutter R

Page 1991 of 5598

INFINITI QX56 2011 Factory Service Manual
PREPARATIONDLN-189
< PREPARATION > [REAR FINAL DRIVE: R230]
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Commercial Service ToolINFOID:0000000006222408
—
(J-8129)
Spring gauge Measuring turning torque
KV381033

Page 1992 of 5598

INFINITI QX56 2011 Factory Service Manual
DLN-190
< PREPARATION >[REAR FINAL DRIVE: R230]
PREPARATION
Tool name
Description
Flange wrench Removing and installing drive pinion lock nut
Puller Removing companion flange
Sliding hammer Removing

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