Infiniti FX35, FX50 (S51). Manual — part 606
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
DLN-259
< SYMPTOM DIAGNOSIS >
[REAR FINAL DRIVE: R230]
C
E
F
G
H
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J
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L
M
A
B
DLN
N
O
P
SYMPTOM DIAGNOSIS
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
NVH Troubleshooting Chart
INFOID:0000000005249264
Use the 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 F
AX,
RAX, and RSU 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
Gea
r to
ot
h ro
ug
h
Ge
ar co
nt
a
ct
im
pro
p
e
r
T
o
o
th su
rfac
es
wo
rn
Ba
ck
la
sh
in
co
rrec
t
Com
p
an
ion
fl
an
ge
ex
ce
ss
iv
e
run
ou
t
Ge
ar oi
l im
pro
p
e
r
PROPELLER SHAFT
AXLE AND S
U
SPENSION
TI
RE
S
ROAD WHEE
L
DRIVE SHAFT
BRAKE
S
STE
E
RING
Symptom
Noise
×
×
×
×
×
×
×
×
×
×
×
×
×
DLN-260
< PRECAUTION >
[REAR FINAL DRIVE: R230]
PRECAUTIONS
PRECAUTION
PRECAUTIONS
Service Notice or Precautions for Rear Final Drive
INFOID:0000000005249265
• Check for the correct installation status prior to removal or disassembly. If matching marks are required, be
certain they never interfere with the function of the parts when applied.
• Overhaul should be done in a clean work area, it is preferable to work in dustproof area.
• Before disassembly, using steam or white gasoline, completely remove sand and mud from the exterior of
the unit, preventing them from entering into the unit during disassembly or assembly.
• Check appearance of the disassembled parts for damage, deformation, and unusual wear. Replace them
with a new ones if necessary.
• Gaskets, seals and O-rings should be replaced any time when the unit is disassembled.
• In principle, tighten bolts or nuts gradually in several steps working diagonally from inside to outside. If tight-
ening sequence is specified, observe it.
• Clean and flush the parts sufficiently and blow-dry them.
• Be careful not to damage sliding surfaces and mating surfaces.
• When applying sealant, remove the old sealant from the mounting surface; then remove any moisture, oil,
and foreign materials from the application and mounting surfaces.
• Always use shop paper for cleaning the inside of components.
• Never use cotton gloves or shop rags to prevent entering of lint.
• During assembly, observe the specified tightening torque, and apply new gear oil, petroleum jelly, or multi-
purpose grease as specified for each vehicle, if necessary.
PREPARATION
DLN-261
< PREPARATION >
[REAR FINAL DRIVE: R230]
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DLN
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PREPARATION
PREPARATION
Special Service Tool
INFOID:0000000005249266
The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated here.
Tool number
(Kent-Moore No.)
Tool name
Description
KV381054S0
(J-34286)
Puller
Removing front oil seal
KV40100621
(J-25273)
Drift
a: 76 mm (2.99 in) dia.
b: 69 mm (2.72 in) dia.
• Installing front oil seal
• Installing side bearing inner race
• Installing drive pinion rear bearing outer
race
ST3127S000
(J-25765-A)
Preload gauge
1: GG91030000
(J-25765)
Torque wrench
2: HT62940000
(
—
)
Socket adapter (1/2
″
)
3: HT62900000
(
—
)
Socket adapter (3/8
″
)
Measuring drive pinion bearing preload torque
and total preload torque
KV38107900
(J-39352)
Protector
Installing side flange
KV40104100
(
—
)
Attachment
Removing side flange
ZZA0601D
ZZA0811D
NT124
S-NT129
ZZA0804D
DLN-262
< PREPARATION >
[REAR FINAL DRIVE: R230]
PREPARATION
ST36230000
(J-25840-A)
Sliding hammer
Removing side flange
ST35271000
(
—
)
Drift
a: 72 mm (2.83 in) dia.
b: 63 mm (2.48 in) dia.
Installing side oil seal
KV10111100
(J-37228)
Seal cutter
Removing carrier cover
KV38100800
(J-25604-01)
Attachment
a: 541 mm (21.30 in)
b: 200 mm (7.87 in)
Securing unit assembly
ST3306S001
(
—
)
Differential side bearing puller set
1: ST33051001
(J-22888-20)
Puller
2: ST33061000
(J-8107-2)
Base
a: 28.5 mm (1.122 in) dia.
b: 38 mm (1.50 in) dia.
Removing and installing side bearing inner
race
KV10112100
(BT-8653-A)
Angle wrench
Tightening the drive gear mounting bolt
Tool number
(Kent-Moore No.)
Tool name
Description
ZZA0803D
ZZA1143D
S-NT046
SDIA0267E
NT072
ZZA0120D
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