2001 INFINITI QX4 Factory Service Manual

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Page 2025 of 2395

INFINITI QX4 2001 Factory Service Manual NOTES

Page 2026 of 2395

INFINITI QX4 2001 Factory Service Manual PROPELLER SHAFT &
DIFFERENTIAL CARRIER
SECTION
PD
CONTENTS
PROPELLER SHAFT......................................................3
Noise, Vibration and Harshness (NVH)
Troubleshooting .................

PROPELLER SHAFT &
DIFFERENTIAL CARRIER
SECTION
PD
CONTENTS
PROPELLER SHAFT......................................................3
Noise, Vibration and Harshness (NVH)
Troubleshooting ...........................................................3
NVH TROUBLESHOOTING CHART............................3
Components.................................................................4
FRONT PROPELLER SHAFT.....................................4
REAR PROPELLER SHAFT.......................................5
On-vehicle Service.......................................................6
PROPELLER SHAFT VIBRATION...............................6
APPEARANCE CHECKING........................................6
Removal and Installation .............................................6
Inspection.....................................................................7
Disassembly.................................................................7
CENTER BEARING - 2WD -.......................................7
JOURNAL (71H AND 80B)..........................................8
Assembly .....................................................................9
CENTER BEARING - 2WD -.......................................9
JOURNAL (71H AND 80B)..........................................9
Service Data and Specifications (SDS)..................... 11
GENERAL SPECIFICATIONS................................... 11
SERVICE DATA....................................................... 11
SNAP RING (80B).................................................... 11
SNAP RING (71H)...................................................12
R200A
FRONT FINAL DRIVE...................................................13
Preparation ................................................................13
SPECIAL SERVICE TOOLS......................................13
Noise, Vibration and Harshness (NVH)
Troubleshooting .........................................................15
On-vehicle Service.....................................................15
FRONT OIL SEAL REPLACEMENT...........................15
REAR COVER GASKET REPLACEMENT..................16
Components...............................................................17
Removal and Installation ...........................................18
REMOVAL...............................................................18
INSTALLATION........................................................18
Disassembly...............................................................18
PRE-INSPECTION...................................................18
FINAL DRIVE HOUSING..........................................19
DIFFERENTIAL CASE..............................................21
DIFFERENTIAL SIDE SHAFT...................................22
Inspection...................................................................23
RING GEAR AND DRIVE PINION.............................23
DIFFERENTIAL CASE ASSEMBLY...........................23
BEARING................................................................23
Adjustment .................................................................24
SIDE BEARING PRELOAD.......................................24
PINION GEAR HEIGHT AND PINION BEARING
PRELOAD
...............................................................25
TOOTH CONTACT...................................................29
Assembly ...................................................................30
DIFFERENTIAL SIDE SHAFT...................................30
DIFFERENTIAL CASE..............................................31
FINAL DRIVE HOUSING..........................................32
Service Data and Specifications (SDS).....................36
R200A.....................................................................36
H233B
REAR FINAL DRIVE.....................................................38
Preparation ................................................................38
SPECIAL SERVICE TOOLS......................................38
Noise, Vibration and Harshness (NVH)
Troubleshooting .........................................................40
On-vehicle Service.....................................................40
FRONT OIL SEAL REPLACEMENT...........................40
Components...............................................................42
Removal and Installation ...........................................43
REMOVAL...............................................................43
INSTALLATION........................................................43
Disassembly...............................................................43
PRE-INSPECTION...................................................43
DIFFERENTIAL CARRIER........................................44
DIFFERENTIAL CASE..............................................46
Inspection...................................................................47
RING GEAR AND DRIVE PINION.............................47
DIFFERENTIAL CASE ASSEMBLY...........................47
BEARING................................................................47
Limited Slip Differential ..............................................47
PREPARATION FOR DISASSEMBLY........................47
GI
MA
EM
LC
EC
FE
AT
TF
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX

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INFINITI QX4 2001 Factory Service Manual DISASSEMBLY........................................................48
INSPECTION...........................................................49
ADJUSTMENT................................................

Page 2028 of 2395

INFINITI QX4 2001 Factory Service Manual Noise, Vibration and Harshness (NVH)
Troubleshooting
=NBPD0049NVH TROUBLESHOOTING CHARTNBPD0049S01Use the chart below to help you find the cause of the symptom. If necessary, repair or replace these p

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INFINITI QX4 2001 Factory Service Manual ComponentsNBPD0002FRONT PROPELLER SHAFTNBPD0002S01
SPD517A
PROPELLER SHAFT
Components
PD-4

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INFINITI QX4 2001 Factory Service Manual REAR PROPELLER SHAFTNBPD0002S02
SPD522A
SPD468AA
GI
MA
EM
LC
EC
FE
AT
TF
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
PROPELLER SHAFT
Components (Contd)
PD-5

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INFINITI QX4 2001 Factory Service Manual SPD356A
On-vehicle Service
PROPELLER SHAFT VIBRATIONNBPD0003If vibration is present at high speed, inspect propeller shaft runout
first.
1. Raise rear wheels.
2. Measure propeller shaft runout at seve

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INFINITI QX4 2001 Factory Service Manual SPD359
IDraw out propeller shaft from transmission and plug up rear
end of transmission rear extension housing.
SPD106
InspectionNBPD0006IInspect propeller shaft runout. If runout exceeds specificatio

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