Nissan Pathfinder (2010 year). Instruction — part 221
PRECAUTIONS
DLN-341
< PRECAUTION >
[FRONT FINAL DRIVE: R180A]
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PRECAUTION
PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
INFOID:0000000005550722
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”, used along
with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain
types of collision. This system includes seat belt switch inputs and dual stage front air bag modules. The SRS
system uses the seat belt switches to determine the front air bag deployment, and may only deploy one front
air bag, depending on the severity of a collision and whether the front occupants are belted or unbelted.
Information necessary to service the system safely is included in the SR and SB section of this Service Man-
ual.
WARNING:
• To avoid rendering the SRS inoperative, which could increase the risk of personal injury or death in
the event of a collision which would result in air bag inflation, all maintenance must be performed by
an authorized NISSAN/INFINITI dealer.
• Improper maintenance, including incorrect removal and installation of the SRS, can lead to personal
injury caused by unintentional activation of the system. For removal of Spiral Cable and Air Bag
Module, see the SR section.
• Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this
Instruction. SRS wiring harnesses can be identified by yellow and/or orange harnesses or har-
ness connectors.
PRECAUTIONS WHEN USING POWER TOOLS (AIR OR ELECTRIC) AND HAMMERS
WARNING:
• When working near the Airbag Diagnosis Sensor Unit or other Airbag System sensors with the Igni-
tion ON or engine running, DO NOT use air or electric power tools or strike near the sensor(s) with a
hammer. Heavy vibration could activate the sensor(s) and deploy the air bag(s), possibly causing
serious injury.
• When using air or electric power tools or hammers, always switch the Ignition OFF, disconnect the
battery, and wait at least 3 minutes before performing any service.
Precaution Necessary for Steering Wheel Rotation After Battery Disconnect
INFOID:0000000005550723
NOTE:
• This Procedure is applied only to models with Intelligent Key system and NATS (NISSAN ANTI-THEFT SYS-
TEM).
• Remove and install all control units after disconnecting both battery cables with the ignition knob in the
″
LOCK
″
position.
• Always use CONSULT-III to perform self-diagnosis as a part of each function inspection after finishing work.
If DTC is detected, perform trouble diagnosis according to self-diagnostic results.
For models equipped with the Intelligent Key system and NATS, an electrically controlled steering lock mech-
anism is adopted on the key cylinder.
For this reason, if the battery is disconnected or if the battery is discharged, the steering wheel will lock and
steering wheel rotation will become impossible.
If steering wheel rotation is required when battery power is interrupted, follow the procedure below before
starting the repair operation.
OPERATION PROCEDURE
1. Connect both battery cables.
NOTE:
Supply power using jumper cables if battery is discharged.
2. Use the Intelligent Key or mechanical key to turn the ignition switch to the
″
ACC
″
position. At this time, the
steering lock will be released.
3. Disconnect both battery cables. The steering lock will remain released and the steering wheel can be
rotated.
4. Perform the necessary repair operation.
2010 Pathfinder
DLN-342
< PRECAUTION >
[FRONT FINAL DRIVE: R180A]
PRECAUTIONS
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-III.
Precaution for Servicing Front Final Drive
INFOID:0000000005258470
• 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.
2010 Pathfinder
PREPARATION
DLN-343
< PREPARATION >
[FRONT FINAL DRIVE: R180A]
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PREPARATION
PREPARATION
Special Service Tool
INFOID:0000000005258471
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
ST30720000
(J-25405)
Drift
• Installing front oil seal
• Installing side oil seal
a: 77 mm (3.03 in) dia.
b: 55.5 mm (2.185 in) dia.
ST27863000
(
—
)
Drift
• Installing front oil seal
• Installing side oil seal
a: 74.5 mm (2.933 in) dia.
b: 62.5 mm (2.461 in) dia.
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
ZZA0601D
ZZA0811D
ZZA1003D
NT124
S-NT046
2010 Pathfinder
DLN-344
< PREPARATION >
[FRONT FINAL DRIVE: R180A]
PREPARATION
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)
Replacer
Removing drive pinion rear bearing inner race
KV38100600
(J-25267)
Drift
Installing side bearing adjusting washer
ST30613000
(J-25742-3)
Drift
Installing drive pinion rear bearing outer race
a: 72 mm (2.83 in) dia.
b: 48 mm (1.89 in) dia.
ST30611000
(J-25742-1)
Drift bar
Installing drive pinion rear bearing outer race
(Use with ST30613000)
KV38100200
(J-26233)
Drift
Installing drive pinion front bearing outer race
a: 65 mm (2.56 in) dia.
b: 49 mm (1.93 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.
Tool number
(Kent-Moore No.)
Tool name
Description
NT072
ZZA0700D
SDIA0429J
ZZA1000D
S-NT090
ZZA1143D
ZZA0978D
2010 Pathfinder
PREPARATION
DLN-345
< PREPARATION >
[FRONT FINAL DRIVE: R180A]
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Commercial Service Tool
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ST33200000
(J-26082)
Drift
Installing drive pinion front bearing inner race
a: 60 mm (2.36 in) dia.
b: 44.5 mm (1.752 in) dia.
ST33230000
(J-35867)
Drift
Installing side bearing inner race
a: 51 mm (2.01 in) dia.
b: 41 mm (1.61 in) dia.
c: 28 mm (1.10 in) dia.
(
—
)
(J-34309)
Differential shim selector tool
Adjusting bearing preload and drive pinion
height
(
—
)
(J-25269-18)
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
ZZA1002D
ZZA1046D
NT134
NT135
NT014
Tool name
Description
Power tool
Loosening nuts and bolts
PBIC0190E
2010 Pathfinder
DLN-346
< FUNCTION DIAGNOSIS >
[FRONT FINAL DRIVE: R180A]
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
FUNCTION DIAGNOSIS
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
NVH Troubleshooting Chart
INFOID:0000000005258473
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
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Gea
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rop
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To
ot
h s
u
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ac
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w
o
rn
Ba
ck
la
sh
in
co
rrec
t
Co
mp
an
io
n f
lan
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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
FRO
N
T A
X
L
E
F
R
ONT
SUSPENSI
ON
TI
RE
S
ROAD W
H
EEL
DRIV
E SHAFT
BR
AK
E
S
S
T
EERING
Symptom
Noise
×
×
×
×
×
×
×
×
×
×
×
×
×
×
2010 Pathfinder
DESCRIPTION
DLN-347
< FUNCTION DIAGNOSIS >
[FRONT FINAL DRIVE: R180A]
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DESCRIPTION
Cross-Sectional View
INFOID:0000000005258474
1.
Differential side shaft
2.
Differential 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. Drive pinion front bearing
13. Drive pinion rear bearing
14. Housing spacer
PDIA0695E
2010 Pathfinder
DLN-348
< ON-VEHICLE MAINTENANCE >
[FRONT FINAL DRIVE: R180A]
DIFFERENTIAL GEAR OIL
ON-VEHICLE MAINTENANCE
DIFFERENTIAL GEAR OIL
Changing Differential Gear Oil
INFOID:0000000005258475
DRAINING
1. Stop the engine.
2. Remove the drain plug and gasket from the front final drive
assembly to drain the differential gear oil.
3. Install the drain plug with a new gasket to the front 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 front final drive
assembly.
2. Fill the front 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 front final drive
assembly. Tighten to the specified torque. Refer to
.
CAUTION:
Do not reuse gasket.
Checking Differential Gear Oil
INFOID:0000000005258476
DIFFERENTIAL GEAR OIL LEAKAGE AND LEVEL
1. Make sure that differential gear oil is not leaking from the front 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 front final drive
assembly. Tighten to the specified torque. Refer to
.
CAUTION:
Do not reuse gasket.
LDIA0175E
Differential gear oil
grade and capacity
LDIA0176E
LDIA0176E
2010 Pathfinder
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