Infiniti FX35, FX50 (S51). Manual — part 572
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
DLN-123
< SYMPTOM DIAGNOSIS >
[REAR PROPELLER SHAFT: 3F80A-1VL107]
C
E
F
G
H
I
J
K
L
M
A
B
DLN
N
O
P
SYMPTOM DIAGNOSIS
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
NVH Troubleshooting Chart
INFOID:0000000005249163
Use the chart below to find the cause of the symptom. If necessary, repair or replace these parts.
×
: Applicable
Reference
—
—
NVH in DLN section.
NVH in F
AX,
RAX, FSU and
R
S
U section.
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
Un
ev
en
ro
ta
ti
ng
t
o
rqu
e
Ce
nt
er b
e
a
rin
g i
mp
rop
er i
n
s
ta
lla
ti
o
n
Exc
es
si
ve
c
en
ter be
a
rin
g a
xi
al
en
d pl
a
y
Cen
te
r be
ari
n
g
mo
un
tin
g
(ins
ul
at
or) c
rac
ks
, d
a
m
a
ge
or d
e
te
rio
rat
ion
Ex
ce
ss
iv
e joi
nt an
gle
Rot
a
ti
on
im
ba
la
nc
e
Ex
ce
ss
iv
e run
out
DIFF
ERENTIAL
AXLE AND S
U
S
PENSION
TIRE
ROAD WHEEL
DRIVE SHAFT
BRAKE
STE
E
RING
Symptom
Noise
×
×
×
×
×
×
×
×
×
×
×
×
×
×
Shake
×
×
×
×
×
×
×
×
Vibration
×
×
×
×
×
×
×
×
×
×
×
DLN-124
< PREPARATION >
[REAR PROPELLER SHAFT: 3F80A-1VL107]
PREPARATION
PREPARATION
PREPARATION
Commercial Service Tools
INFOID:0000000005249164
Tool name
Description
Power tool
Loosening bolts and nuts
PBIC0190E
REAR PROPELLER SHAFT
DLN-125
< PERIODIC MAINTENANCE >
[REAR PROPELLER SHAFT: 3F80A-1VL107]
C
E
F
G
H
I
J
K
L
M
A
B
DLN
N
O
P
PERIODIC MAINTENANCE
REAR PROPELLER SHAFT
Inspection
INFOID:0000000005249165
NOISE
• Check the propeller shaft tube surface for dents or cracks. If damaged, replace propeller shaft assembly.
• If center bearing is noisy or damaged, replace propeller shaft assembly.
VIBRATION
If vibration is present at high speed, inspect propeller shaft runout first.
1.
With a dial indicator, measure propeller shaft runout at runout
measuring points by rotating final drive companion flange with
hands.
2.
If runout still exceeds specifications, separate propeller shaft at
final drive companion flange, then rotate companion flange 60,
120, 180, 240, 300 degrees and install propeller shaft.
3.
Check runout again. If runout still exceeds specifications,
replace propeller shaft assembly.
4.
Check the vibration by driving vehicle.
RUNOUT MEASURING POINT
Propeller shaft runout measuring point (Point “ ”).
Limit
Propeller shaft runout
: Refer to
.
SDIA1087E
: Vehicle front
Standard
A
: 162 mm (6.38 in)
B
: 245 mm (9.65 in)
C
: 185 mm (7.28 in)
PDIA0772J
DLN-126
< REMOVAL AND INSTALLATION >
[REAR PROPELLER SHAFT: 3F80A-1VL107]
REAR PROPELLER SHAFT
REMOVAL AND INSTALLATION
REAR PROPELLER SHAFT
Exploded View
INFOID:0000000005249166
Removal and Installation
INFOID:0000000005249167
REMOVAL
1.
Shift the transaxle to the neutral position, and release the parking brake.
2.
Remove the center muffler and exhaust front tube with power tool. Refer to
3.
Remove the heat plate (1).
1.
Propeller shaft assembly
2.
Clip
3.
Center bearing mounting bracket
(upper)
4.
Center bearing mounting bracket
(lower)
: Vehicle front
Refer to
for symbols in the figure.
JPDID0228GB
JPDID0184ZZ
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