Infiniti QX56 (Z62). Manual — part 1065
RSU-2
< PRECAUTION >
PRECAUTIONS
PRECAUTION
PRECAUTIONS
Precautions for Suspension
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• When installing rubber bushings, the final tightening must be carried out under unladen conditions with tires
on ground. Spilled oil might shorten the life of rubber bushings. Be sure to wipe off any spilled oil.
- Unladen conditions mean that fuel, engine coolant and lubricant are full. Spare tire, jack, hand tools and
mats are in designated positions.
• After servicing suspension parts, be sure to check wheel alignment.
• Self-lock nuts are not reusable. Always use new ones when installing. Since new self-lock nuts are pre-oiled,
tighten as they are.
PREPARATION
RSU-3
< PREPARATION >
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PREPARATION
PREPARATION
Special Service Tools
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The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated here.
Commercial Service Tools
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Tool number
(Kent-Moore No.)
Tool name
Description
KV10109300
(
−
)
Holder
Removing and installing bracket
ZZA1010D
Tool name
Description
Power tool
Loosening bolts and nuts
Spring compressor
Removing and installing coil spring
Socket
a: 80 mm (3.15 in)
Removing and installing bumper rubber
PBIC0190E
S-NT717
JPEIB0233ZZ
RSU-4
< SYMPTOM DIAGNOSIS >
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
SYMPTOM DIAGNOSIS
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
NVH Troubleshooting Chart
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Use chart below to find the cause of the symptom. If necessary, repair or replace these parts.
×
: Applicable
Reference page
,
,
,
,
—
—
—
,
,
,
,
NVH in DLN section.
NVH in DLN section.
NVH in RAX
and
R
S
U sections.
NVH in WT section.
NVH in WT section.
NVH in RAX
section.
NVH in B
R
section.
NVH in S
T
section.
Possible cause and SUSPECTED PARTS
Im
p
rop
er i
n
s
tal
la
tio
n
,
loo
s
ene
s
s
S
hoc
k
ab
so
rbe
r d
e
fo
rma
tio
n,
da
ma
ge
o
r de
fle
c
tion
B
u
s
h
in
g
or m
o
u
n
ting
d
e
te
rio
rati
o
n
P
a
rt
s interference
S
p
ri
ng
fat
ig
u
e
S
us
pe
ns
ion
lo
os
en
es
s
In
co
rrec
t wh
ee
l a
lig
nm
en
t
S
tab
iliz
er b
a
r f
a
ti
gu
e
P
R
OPE
LLE
R SHAFT
DIFFERENTIAL
REA
R
AXLE
AND REAR S
U
S
PENSION
TI
RE
ROAD W
H
EEL
DRIV
E SHAFT
BR
AK
E
S
T
EERING
Symptom
REAR SUSPENSION
Noise
×
×
×
×
×
×
×
×
×
×
×
×
×
×
Shake
×
×
×
×
×
×
×
×
×
×
×
×
Vibration
×
×
×
×
×
×
×
×
×
×
Shimmy
×
×
×
×
×
×
×
×
×
×
Judder
×
×
×
×
×
×
×
×
Poor quality ride or
handling
×
×
×
×
×
×
×
×
×
×
REAR SUSPENSION ASSEMBLY
RSU-5
< PERIODIC MAINTENANCE >
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PERIODIC MAINTENANCE
REAR SUSPENSION ASSEMBLY
Inspection
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MOUNTING INSPECTION
Check the mounting conditions (looseness, backlash) of each component and component conditions (wear,
damage) are normal.
BALL JOINT AXIAL END PLAY
Measure axial end play by placing and moving up/down with an iron bar or equivalent between suspension
arm or front lower link and axle assembly.
CAUTION:
• Never depress brake pedal when measuring.
• Never perform with tires on level ground.
• Be careful not to damage ball joint boot.
SHOCK ABSORBER
Check for oil leakage and damage. Replace it if necessary.
Axial end play
: Refer to
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