Infiniti QX56 (JA60). Manual — part 780
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
RAX-5
< SYMPTOM DIAGNOSIS >
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SYMPTOM DIAGNOSIS
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
NVH Troubleshooting Chart
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Use chart below to help you find the cause of the symptom. If necessary, repair or replace these parts.
×: Applicable
Reference page
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Possible cause and SUSPECTED PARTS
Ex
ce
ss
iv
e joi
nt
an
gl
e
Jo
in
t sl
id
in
g
re
si
st
an
ce
Im
ba
la
nc
e
Imp
rop
er i
ns
ta
lla
tio
n,
lo
os
en
es
s
Part
s interf
erence
DIFF
ERENTIAL
FRONT A
XLE
FRONT S
U
SPENSION
REAR S
U
S
PENSION
TI
RE
S
ROAD WHEE
L
PROPELLER SHAFT
BRAKE
S
STE
E
RING
Symptom
Noise
×
×
×
×
×
×
×
×
×
×
×
×
Shake
×
×
×
×
×
×
×
×
×
×
×
Vibration
×
×
×
×
×
×
×
×
×
Shimmy
×
×
×
×
×
×
×
×
Shudder
×
×
×
×
×
×
×
Poor quality ride or handling
×
×
×
×
×
×
×
×
RAX-6
< ON-VEHICLE MAINTENANCE >
WHEEL HUB
ON-VEHICLE MAINTENANCE
WHEEL HUB
On-Vehicle Inspection and Service
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Inspect the components for any looseness or back lash. Inspect each component for any excessive wear or
damage. Replace any components as necessary.
WHEEL BEARING INSPECTION
• Move the wheel hub and bearing assembly in the axial direction by hand to check the axial end play. Check
that the axial end play is with specification. Replace the wheel hub and bearing assembly as necessary.
• Rotate the wheel hub and bearing assembly to check that there are no unusual noises or other abnormal
conditions. Replace the wheel hub and bearing assembly as necessary.
Axial end play
: 0 mm (0 in)
REAR DRIVE SHAFT
RAX-7
< ON-VEHICLE REPAIR >
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ON-VEHICLE REPAIR
REAR DRIVE SHAFT
Component
INFOID:0000000005148955
Rear Drive Shaft
WDIA0263E
1.
Rear final drive assembly
2.
Rear drive shaft
3.
Rear brake and hub assembly
4.
Cotter pin
RAX-8
< REMOVAL AND INSTALLATION >
WHEEL HUB
REMOVAL AND INSTALLATION
WHEEL HUB
Removal and Installation
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Rear Wheel Hub and Bearing Assembly
NOTE:
The rear ABS sensor is routed through the back of the rear backing plate and into the side of the wheel hub
and bearing assembly. It is necessary to remove the wheel hub and bearing assembly to remove the rear ABS
sensor.
REMOVAL
1. Remove the wheel and tire using power tool.
2. Remove the rear brake caliper, without disconnecting the hydraulic hose, using power tool. Reposition the
rear brake caliper aside using suitable wire. Refer to
BR-36, "Removal and Installation of Brake Caliper
.
NOTE:
• Do not depress the brake pedal while the brake caliper is removed.
3. Remove the rear disc rotor.
4. Remove the cotter pin, then remove the nut from the drive shaft
using power tool.
• Discard the cotter pin, use a new one for installation.
5. Remove the drive shaft. Refer to
.
6. Remove the four wheel hub and bearing assembly bolts using power tool.
• Discard the four wheel hub and bearing assembly bolts, use new ones for installation.
WDIA0189E
1.
Back plate
2.
Rear ABS sensor
3.
Wheel hub and bearing assembly
4.
Wheel stud
5.
Rear disc rotor
6.
Cotter pin
LDIA0050E
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