Infiniti FX35 / FX45. Manual — part 888
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
RFD-7
< SERVICE INFORMATION >
C
E
F
G
H
I
J
K
L
M
A
B
RFD
N
O
P
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
NVH Troubleshooting Chart
INFOID:0000000001327493
Use the chart below to help you find the cause of the symptom. If necessary, repair or replace these parts.
×
: Applicable
Reference page
Re
fer to
.
Re
fer to
.
Re
fer to
.
Re
fer to
.
Re
fer to
.
Re
fer to
.
NVH in P
R
section.
NVH in F
AX,
RAX, FSU and
R
S
U sections.
NVH in WT section.
NVH in WT section.
NVH i
n
F
AX and RAX
secti
o
n.
NVH in B
R
section.
NVH in P
S
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
ani
on
fl
an
ge
ex
ce
ss
iv
e
run
ou
t
Ge
ar oi
l im
pro
p
e
r
PROPELLER S
H
AFT
AXLE AND S
U
S
PENSION
TI
RE
ROAD WHEE
L
DRIVE SHAFT
BRAKE
STE
E
RING
Symptom
Noise
×
×
×
×
×
×
×
×
×
×
×
×
×
RFD-8
< SERVICE INFORMATION >
DESCRIPTION
DESCRIPTION
Cross-Sectional View
INFOID:0000000001327494
1.
Side flange
2.
Pinion mate gear
3.
Drive gear
4.
Pinion mate shaft
5.
Differential case
6.
Side bearing
7.
Drive pinion
8.
Pinion front bearing
9.
Companion flange
10. Collapsible spacer
11.
Pinion rear bearing
12. Side gear
PDIA0476E
DIFFERENTIAL GEAR OIL
RFD-9
< SERVICE INFORMATION >
C
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RFD
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DIFFERENTIAL GEAR OIL
Changing Differential Gear Oil
INFOID:0000000001327495
DRAINING
1.
Stop engine.
2.
Remove drain plug (1) and drain gear oil.
3.
Set a gasket on drain plug (1) and install it to final drive assem-
bly and tighten to the specified torque. Refer to
.
CAUTION:
Never reuse gasket.
FILLING
1.
Remove filler plug (1). Fill with new gear oil until oil level reaches
the specified level near filler plug mounting hole.
2.
After refilling oil, check oil level. Set a gasket to filler plug (1),
then install it to final drive assembly. Refer to
.
CAUTION:
Never reuse gasket.
Checking Differential Gear Oil
INFOID:0000000001327496
OIL LEAKAGE AND OIL LEVEL
• Make sure that oil is not leaking from final drive assembly or around it.
• Remove filler plug (1) and check oil level from filler plug mounting
hole as shown in the figure.
CAUTION:
Never start engine while checking oil level.
• Set a gasket on filler plug (1) and install it on final drive assembly.
RFD-17, "Disassembly and Assembly"
CAUTION:
Never reuse gasket.
PDIA0748J
Oil grade and Viscosity:
.
Oil capacity:
Approx. 1.4 (3 US pt, 2-1/2 Imp pt)
PDIA0749J
PDIA0749J
RFD-10
< SERVICE INFORMATION >
FRONT OIL SEAL
FRONT OIL SEAL
Removal and Installation
INFOID:0000000001327497
CAUTION:
Verify identification stamp of replacement frequency put in the lower part of gear carrier to determine
replacement for collapsible spacer when replacing front oil seal. Refer to "IDENTIFICATION STAMP OF
REPLACEMENT FREQUENCY OF FRONT OIL SEAL". If necessary collapsible spacer replacement,
remove final drive assembly and disassemble it to replace front oil seal and collapsible spacer. Refer
to
RFD-16, "Removal and Installation"
RFD-17, "Disassembly and Assembly"
NOTE:
The reuse of collapsible spacer is prohibited in principle. However, it is reusable on a one-time basis
only in cases when replacing front oil seal.
IDENTIFICATION STAMP OF REPLACEMENT FREQUENCY OF FRONT OIL SEAL
• The diagonally shaded area in the figure shows stamping point for
replacement frequency of front oil seal.
• The following table shows if collapsible spacer replacement is
needed before replacing front oil seal.
When collapsible spacer replacement is required, disassemble
final drive assembly to replace collapsible spacer and front oil seal.
Refer to
RFD-17, "Disassembly and Assembly"
CAUTION:
Be sure to make a stamping after replacing front oil seal.
• After replacing front oil seal, make a stamping on the stamping point in accordance with the table below in
order to identify replacement frequency.
CAUTION:
Stamping shall be made from left to right.
REMOVAL
1.
Drain gear oil. Refer to
RFD-9, "Changing Differential Gear Oil"
2.
Make a judgment if a collapsible spacer replacement is required. Refer to "IDENTIFICATION STAMP OF
REPLACEMENT FREQUENCY OF FRONT OIL SEAL".
3.
Remove center muffler with a power tool. Refer to
4.
Remove rear wheel sensor. Refer to
.
5.
Remove drive shaft from final drive. Then suspend it by wire etc. Refer to
.
6.
Install attachment to side flange, and then pull out the side flange with the sliding hammer.
Stamp
collapsible spacer replacement
No stamp
Not required
“0” or “0” on the far right of stamp
Required
“01” or “1” on the far right of stamp
Not required
PDIA0976E
Stamp before stamping
Stamping on the far right
Stamping
No stamp
0
0
“0”
(Front oil seal was replaced once.)
1
01
“01”
(Collapsible spacer and front oil seal were replaced last time.)
0
010
“0” is on the far right.
(Only front oil seal was replaced last time.)
1
...01
“1” is on the far right.
(Collapsible spacer and front oil seal were replaced last time.)
0
...010
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