Nissan Pathfinder (2012 year). Manual — part 231
PRECAUTIONS
DLN-413
< PRECAUTION >
[REAR FINAL DRIVE: R200]
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5. When the repair work is completed, return the ignition switch to the
″
LOCK
″
position before connecting
the battery cables. (At this time, the steering lock mechanism will engage.)
6. Perform a self-diagnosis check of all control units using CONSULT.
Precaution for Servicing Rear Final Drive
INFOID:0000000007357639
• Before starting diagnosis of the vehicle, understand the symptoms well. Perform correct and systematic
operations.
• Check for the correct installation status prior to removal or disassembly. When matching marks are required,
be certain they do not interfere with the function of the parts they are applied to.
• Overhaul should be done in a clean work area, a dust proof area is recommended.
• Before disassembly, completely remove sand and mud from the exterior of the unit, preventing them from
entering into the unit during disassembly or assembly.
• Always use shop paper for cleaning the inside of components.
• Avoid using cotton gloves or a shop cloth to prevent the entering of lint.
• Check appearance of the disassembled parts for damage, deformation, and abnormal wear. Replace them
with new ones if necessary.
• Gaskets, seals and O-rings should be replaced any time the unit is disassembled.
• Clean and flush the parts sufficiently and blow them dry.
• Be careful not to damage sliding surfaces and mating surfaces.
• When applying sealant, remove the old sealant from the mating surface; then remove any moisture, oil, and
foreign materials from the application and mating surfaces.
• In principle, tighten nuts or bolts gradually in several steps working diagonally from inside to outside. If a
tightening sequence is specified, observe it.
• During assembly, observe the specified tightening torque.
• Add new differential gear oil, petroleum jelly, or multi-purpose grease, as specified.
August 2012
2012 Pathfinder
DLN-414
< PREPARATION >
[REAR FINAL DRIVE: R200]
PREPARATION
PREPARATION
PREPARATION
Special Service Tool
INFOID:0000000007357640
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
ST33290001
(J-34286)
Puller
Removing front oil seal
ST30720000
(J-25405)
Drift
• Installing front oil seal
• Installing drive pinion rear bearing outer
race
a: 77 mm (3.03 in) dia.
b: 55.5 mm (2.185 in) dia.
ST36230000
(J-25840-A)
Sliding hammer
Removing side flange
KV40104100
(
—
)
Attachment
Removing side flange
KV38100200
(J-26233)
Drift
Installing side oil seal
a: 65 mm (2.56 in) dia.
b: 49 mm (1.93 in) dia.
KV38107900
(J-39352)
Protector
Installing side flange
ZZA0601D
ZZA0811D
ZZA0803D
ZZA0804D
ZZA1143D
S-NT129
August 2012
2012 Pathfinder
PREPARATION
DLN-415
< PREPARATION >
[REAR FINAL DRIVE: R200]
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KV38100800
(J-25604-01)
Attachment
Securing unit assembly
a: 541 mm (21.30 in)
b: 200 mm (7.87 in)
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
KV10111100
(J-37228)
Seal cutter
Removing carrier cover
ST3306S001
(
—
)
Differential side bearing puller set
1: ST33051001
(J-22888-20)
Puller
2: ST33061000
(J-8107-2)
Base
Removing and installing side bearing inner
race
a: 28.5 mm (1.122 in) dia.
b: 38 mm (1.50 in) dia.
ST30031000
(J-22912-01)
Puller
Removing drive pinion rear bearing inner race
KV40105230
(
—
)
Drift
Installing drive pinion rear bearing outer race
a: 92 mm (3.62 in) dia.
b: 86 mm (3.39 in) dia.
c: 45 mm (1.77 in) dia.
Tool number
(Kent-Moore No.)
Tool name
Description
SDIA0267E
NT124
S-NT046
NT072
ZZA0700D
PDIA0591E
August 2012
2012 Pathfinder
DLN-416
< PREPARATION >
[REAR FINAL DRIVE: R200]
PREPARATION
ST30611000
(J-25742-1)
Drift bar
Installing drive pinion front bearing outer race
(Use with ST30613000)
ST30613000
(J-25742-3)
Drift
Installing drive pinion front bearing outer race
a: 72 mm (2.83 in) dia.
b: 48 mm (1.89 in) dia.
KV38100300
(J-25523)
Drift
Installing side bearing inner race
a: 54 mm (2.13 in) dia.
b: 46 mm (1.81 in) dia.
c: 32 mm (1.26 in) dia.
ST30901000
(J-26010-01)
Drift
Installing drive pinion rear bearing inner race
a: 79 mm (3.11 in) dia.
b: 45 mm (1.77 in) dia.
c: 35.2 mm (1.386 in) dia.
HT72400000
( — )
Slide hammer
Removing differential case assembly
—
(J-8129)
Spring gauge
Measuring turning torque
Tool number
(Kent-Moore No.)
Tool name
Description
S-NT090
ZZA1000D
ZZA1046D
ZZA0978D
S-NT125
NT127
August 2012
2012 Pathfinder
PREPARATION
DLN-417
< PREPARATION >
[REAR FINAL DRIVE: R200]
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Commercial Service Tool
INFOID:0000000007357641
—
(J-25269-4)
Side bearing disc (2 Req'd)
Selecting drive pinion height adjusting washer
KV10112100
(BT-8653-A)
Angle wrench
Tightening bolts for drive gear
Tool number
(Kent-Moore No.)
Tool name
Description
NT136
NT014
Tool name
Description
Spacer
Installing drive pinion front bearing inner race
a: 60 mm (2.36 in) dia.
b: 36 mm (1.42 in) dia.
c: 30 mm (1.18 in)
Power tool
Loosening nuts, screws and bolts
ZZA1133D
PIIB1407E
August 2012
2012 Pathfinder
DLN-418
< SYSTEM DESCRIPTION >
[REAR FINAL DRIVE: R200]
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
SYSTEM DESCRIPTION
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
NVH Troubleshooting Chart
INFOID:0000000007357642
Use the chart below to help you find the cause of the symptom. If necessary, repair or replace these parts.
×
: Applicable
Reference page
Possible cause and SUSPECTED PARTS
G
e
ar t
oo
th
rou
gh
Gea
r co
nt
ac
t i
mp
rop
er
To
ot
h s
u
rf
ac
es
w
o
rn
Ba
ck
la
sh
in
co
rrec
t
Co
mp
an
io
n f
lan
ge
e
xc
es
si
ve
run
ou
t
Gea
r oi
l i
mp
rop
er
PR
OP
EL
LE
R
S
H
A
F
T
REA
R
AXLE
REA
R
SUSPENSI
ON
TI
RE
S
ROAD W
H
EEL
DRIV
E SHAFT
BR
AK
E
S
S
T
EERING
Symptom
Noise
×
×
×
×
×
×
×
×
×
×
×
×
×
August 2012
2012 Pathfinder
DESCRIPTION
DLN-419
< SYSTEM DESCRIPTION >
[REAR FINAL DRIVE: R200]
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DESCRIPTION
Cross-Sectional View
INFOID:0000000007357643
1.
Side flange
2.
Pinion mate gear
3.
Drive gear
4.
Pinion mate shaft
5.
Differential case
6.
Side bearing
7.
Drive pinion
8.
Drive pinion front bearing
9.
Companion flange
10. Collapsible spacer
11. Drive pinion rear bearing
12. Side gear
WDIA0119E
August 2012
2012 Pathfinder
DLN-420
< PERIODIC MAINTENANCE >
[REAR FINAL DRIVE: R200]
DIFFERENTIAL GEAR OIL
PERIODIC MAINTENANCE
DIFFERENTIAL GEAR OIL
Changing Differential Gear Oil
INFOID:0000000007357644
DRAINING
1. Stop the engine.
2. Remove the drain plug and gasket from the rear final drive
assembly to drain the differential gear oil.
3. Install the drain plug with a new gasket to the rear final drive
assembly. Tighten to the specified torque. Refer to
.
CAUTION:
Do not reuse gasket.
FILLING
1. Remove the filler plug and gasket from the rear final drive
assembly.
2. Fill the rear final drive assembly with new differential gear oil
until the level reaches the specified level near the filler plug hole.
3. Install the filler plug with a new gasket on it to the rear final drive assembly. Tighten to the specified torque.
DLN-430, "Disassembly and Assembly"
CAUTION:
Do not reuse gasket.
Checking Differential Gear Oil
INFOID:0000000007357645
OIL LEAKAGE AND OIL LEVEL
1. Make sure that differential gear oil is not leaking from the rear final drive assembly or around it.
2. Check the differential gear oil level from the filler plug hole as
shown.
CAUTION:
Do not start engine while checking differential gear oil level.
3. Install the filler plug with a new gasket on it to the rear final drive
assembly. Tighten to the specified torque. Refer to
.
CAUTION:
Do not reuse gasket.
LDIA0162E
Differential gear oil
grade and capacity
: Refer to
AND CANADA : Fluids and
Lubricants"
(United States
MEXICO : Fluids and Lubri-
cants"
(Mexico).
LDIA0163E
LDIA0163E
August 2012
2012 Pathfinder
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