Infiniti QX56 (Z62). Manual — part 488
DLN-152
< PREPARATION >
[FRONT FINAL DRIVE: R180A]
PREPARATION
Puller
Removing companion flange
Drift
a: 63 mm (2.48 in) dia. or less
b: 49 mm (1.93 in) dia. or more
Removing and Installing bushing
Sliding hammer
Removing differential case assembly
Replacer
Removing pinion rear bearing inner race
Tool name
Description
ZZA0119D
ZZA0811D
NT125
ZZA0700D
STRUCTURE AND OPERATION
DLN-153
< SYSTEM DESCRIPTION >
[FRONT FINAL DRIVE: R180A]
C
E
F
G
H
I
J
K
L
M
A
B
DLN
N
O
P
SYSTEM DESCRIPTION
STRUCTURE AND OPERATION
Sectional View
INFOID:0000000006222376
1.
Side shaft
2.
Side shaft bearing
3.
Side gear
4.
Drive gear
5.
Pinion mate shaft
6.
Differential case
7.
Side bearing
8.
Pinion mate gear
9.
Drive pinion
10. Collapsible spacer
11.
Companion flange
12. Pinion front bearing
13. Pinion rear bearing
14. Housing spacer
PDIA0695E
DLN-154
< SYMPTOM DIAGNOSIS >
[FRONT FINAL DRIVE: R180A]
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
SYMPTOM DIAGNOSIS
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
NVH Troubleshooting Chart
INFOID:0000000006222377
Use the chart below to help you find the cause of the symptom. If necessary, repair or replace these parts.
×
: Applicable
Reference
NVH o
f FRONT PROPE
LLE
R SHAFT
in
thi
s
se
cti
o
n
.
NVH of REAR PROPELLE
R SHAFT
in
thi
s
secti
o
n.
NVH in F
AX, RAX
, FSU
and RSU sections.
NVH in WT section.
NVH in WT section.
NVH in F
AX and RAX section.
NVH in BR section.
NVH in ST
section.
Possible cause and SUSPECTED PARTS
Ge
a
r t
o
ot
h
ro
ug
h
Gear co
nt
ac
t
im
pro
p
e
r
T
o
oth
s
u
rf
ac
es
worn
Ba
ck
la
sh
i
n
co
rrect
Co
mp
an
io
n
f
lan
ge
ex
ces
si
ve
run
o
u
t
Gear oi
l
im
p
rope
r
PROPELLER SHAF
T
AXLE
AND SUSPE
N
S
ION
TIRE
ROA
D
WHEEL
DRIVE SHA
F
T
BRAKE
STEERI
N
G
Symptom
Noise
×
×
×
×
×
×
×
×
×
×
×
×
×
FRONT DIFFERENTIAL GEAR OIL
DLN-155
< PERIODIC MAINTENANCE >
[FRONT FINAL DRIVE: R180A]
C
E
F
G
H
I
J
K
L
M
A
B
DLN
N
O
P
PERIODIC MAINTENANCE
FRONT DIFFERENTIAL GEAR OIL
Inspection
INFOID:0000000006222378
OIL LEAKAGE
Check that oil is not leaking from the front final drive assembly or around it.
OIL LEVEL
• 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.
.
CAUTION:
Never reuse gasket.
Draining
INFOID:0000000006222379
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.
Refilling
INFOID:0000000006222380
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.
JPDID0312ZZ
JPDID0313ZZ
Oil grade and Viscosity
: Refer to
.
Oil capacity
: Refer to
.
JPDID0312ZZ
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