Infiniti M45 (Y34). Manual — part 712
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
RAX-5
C
E
F
G
H
I
J
K
L
M
A
B
RAX
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
PFP:00003
NVH Troubleshooting Chart
ADS0006I
Use chart below to help you find the cause of the symptom. If necessary, repair or replace these parts.
×
: Applicable
Reference page
—
—
—
NVH
in
PR s
e
c
tio
n
.
NVH
in
RFD s
e
c
tio
n
.
NVH
in
F
AX a
n
d
FS
U
s
e
c
ti
o
n
s
.
Re
fe
r to
R
E
AR
AXL
E
in
t
h
is
c
h
a
rt.
NVH in
W
T
s
e
c
ti
o
n
.
NVH in
W
T
s
e
c
ti
o
n
.
Re
fe
r to
D
R
IVE SHAFT i
n
th
is
c
h
a
rt.
NVH
in
BR s
e
c
tio
n
.
NVH
in
PS s
e
c
tio
n
.
Possible cause and SUSPECTED PARTS
E
x
c
e
s
s
iv
e
jo
in
t a
n
g
le
J
o
in
t s
lid
in
g
r
e
s
is
ta
n
c
e
Im
bal
an
ce
Im
pr
oper
i
n
s
ta
lla
ti
o
n
,
loos
enes
s
P
a
rts in
te
rf
e
re
n
ce
P
R
OPE
LLER SHAFT
DIFFERENTIAL
F
R
O
N
T
AXL
E AND
FRONT
SUSPENSI
ON
REA
R
AXL
E
TI
R
E
S
ROAD W
H
EEL
DRIVE SHAFT
BR
AK
E
S
S
T
EERI
N
G
Symptom
DRIVE
SHAFT
Noise
×
×
×
×
×
×
×
×
×
×
Shake
×
×
×
×
×
×
×
×
×
REAR
AXLE
Noise
×
×
×
×
×
×
×
×
×
×
Shake
×
×
×
×
×
×
×
×
×
Vibration
×
×
×
×
×
×
×
Shimmy
×
×
×
×
×
×
×
Judder
×
×
×
×
×
×
Poor quality ride or handling
×
×
×
×
×
RAX-6
WHEEL HUB
WHEEL HUB
PFP:43202
On-Vehicle Inspection and Service
ADS0006J
Check that the mounting conditions (looseness, back lash) of each component and component status (wear,
damage) are normal.
WHEEL BEARING INSPECTION
●
Move wheel hub in the axial direction by hand. Check that there is no looseness of wheel bearings.
●
Rotate wheel hub and check that there is no unusual noise or other irregular conditions. If there are any
irregular conditions, replace wheel bearings.
Removal and Installation
ADS0006K
REMOVAL
1.
Remove tire with power tool.
2.
Remove cotter pin. Then remove lock nut from drive shaft with power tool.
3.
Remove brake caliper with power tool. Hang it in a place where it will not interfere with work. Refer to
CAUTION:
●
Avoid depressing brake pedal while brake caliper is removed.
4.
Remove disc rotor and remove parking cable and parking brake shoe from back plate. Refer to
.
5.
Remove fixing bolts and nuts in axle side of radius rod, front lower link with power tool.
6.
Remove fixing bolt and nut in axle side of rear lower link. Then remove coil spring. Refer to
"REAR LOWER LINK & COIL SPRING"
7.
Remove fixing bolt and nut in axle side of shock absorber with power tool.
8.
Using a puller (suitable tool), remove axle from drive shaft.
CAUTION:
●
When removing axle, do not apply an excessive angle to drive shaft joint. Also be careful not to
excessively extend slide joint.
Standard value
Axial end play
: 0.05 mm (0.002 in) or less
1.
Drive shaft
2.
Snap ring
3.
Wheel bearing
4.
Bushing
5.
Axle
6.
Back plate
7.
Wheel hub
8.
Lock nut
9.
Cotter pin
SDIA1025E
WHEEL HUB
RAX-7
C
E
F
G
H
I
J
K
L
M
A
B
RAX
●
Do not allow drive shaft to hang down without support for counter shaft, wheel joints, and other
parts.
9.
Remove cotter pin and lock nut of suspension arm ball joint.
10. Use a ball joint remover (suitable tool) to remove suspension arm from axle. Be careful not to damage ball
joint boot.
CAUTION:
To prevent damage to threads and to prevent ball joint remover (suitable tool) from coming off,
and temporarily tighten mounting nut.
INSPECTION AFTER REMOVAL
Ball Joint Inspection
●
Check for boot breakage, axial looseness, and torque of suspension arm ball joint. Refer to
INSTALLATION
●
Refer to
RAX-6, "Removal and Installation"
for tightening torque. Tighten in the reverse order of removal.
CAUTION:
Refer to component parts location and do not reuse non-reusable parts.
Disassembly and Assembly
ADS0006L
DISASSEMBLY
Wheel Bearing
CAUTION:
Do not disassemble if wheel bearing has no trouble.
1.
Place axle in a vise. Remove wheel hub from axle with a sliding
hammer (special service tool) and an appropriate attachment
(special service tool).
CAUTION:
When securing axle in a vise, use copper plates or some-
thing similar.
2.
Using a drift (special service tool), puller (suitable tool) and a
bearing replacer (suitable tool), press wheel bearing outer side
inner race out to remove from wheel hub.
3.
Remove snap ring and back plate from axle.
SDIA1030E
Tool number
: ST33061000 (J 8107- 2)
SDIA0289E
RAX-8
WHEEL HUB
4.
Using a drift (special service tool), remove wheel bearing from
axle.
Bushing
●
Using a suitable drift, remove each bushing from axle.
INSPECTION AFTER DISASSEMBLY
Wheel Hub
●
Inspect wheel hub for deformation, cracks, and other damage. If any irregular conditions are found,
replace wheel hub.
Axle
●
Inspect axle for deformation, cracks, and other damage. If any irregular conditions are found, replace
axle.
Back Plate
●
Inspect back plate for deformation, cracks, and other damage. If any irregular conditions are found,
replace back plate.
ASSEMBLY
Bushing
●
Using a suitable drift, install each bushing onto axle.
SDIA1026E
SDIA0819E
SDIA0820E
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