Nissan Pathfinder (2010 year). Manual — part 225
FRONT FINAL DRIVE
DLN-373
< DISASSEMBLY AND ASSEMBLY >
[FRONT FINAL DRIVE: R180A]
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1. Press differential side shaft bearing to differential side shaft.
CAUTION:
Do not reuse differential side shaft bearing.
2. Install snap ring (differential side shaft side).
3. Install differential side shaft assembly into gear carrier.
4. Install snap ring (hole side).
5. Apply multi-purpose grease to the lips and differential gear oil to
the circumference of the new side oil seal. Then drive the new
side oil seal in evenly until it becomes flush with the gear carrier
using Tools.
CAUTION:
• Do not reuse side oil seal.
• Do not incline the new side oil seal when installing.
• Apply multi-purpose grease to the lips and differential
gear oil to the circumference of the new side oil seal.
PDIA0719E
Tool number
A: ST30720000 (J-25405)
B: ST27863000 ( — )
PDIA0828E
2010 Pathfinder
DLN-374
< SERVICE DATA AND SPECIFICATIONS (SDS)
[FRONT FINAL DRIVE: R180A]
SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
General Specification
INFOID:0000000005258482
Inspection and Adjustment
INFOID:0000000005258483
DRIVE GEAR RUNOUT
Unit: mm (in)
SIDE GEAR CLEARANCE
Unit: mm (in)
PRELOAD TORQUE
Unit: N·m (kg-m, in-lb)
BACKLASH
Unit: mm (in)
COMPANION FLANGE RUNOUT
Unit: mm (in)
SELECTIVE PARTS
Drive Pinion Height Adjusting Washer
Applied model
VQ40DE
Final drive model
R180A
Gear ratio
3.357
Number of teeth (Drive gear/Drive pinion)
47/14
Differential gear oil capacity (Approx.)
0.85
(1-3/4 US pt, 1-1/2 lmp pt)
Number of pinion gears
2
Drive pinion adjustment spacer type
Collapsible
Item
Runout limit
Drive gear back face
0.08 (0.0031) or less
Item
Specification
Side gear back clearance (Clearance between side gear and differ-
ential case for adjusting side gear backlash)
0.1 (0.004) or less
(Each gear should rotate smoothly without excessive resistance
during differential motion.)
Item
Specification
Drive pinion bearing preload torque
1.08 - 1.66 (0.11 - 0.16, 10 - 14)
Side bearing preload torque
0.59 - 1.08 (0.06 - 0.11, 6 - 9)
Total preload torque
(Total preload torque = drive pinion bearing preload torque + side
bearing preload torque).
1.67 - 2.74 (0.17 - 0.27, 15 - 24)
Item
Specification
Drive gear to drive pinion backlash
0.10 - 0.15 (0.0039 - 0.0059)
Item
Runout limit
Companion flange face
0.1 (0.004) or less
Companion flange inner side
0.1 (0.004) or less
2010 Pathfinder
SERVICE DATA AND SPECIFICATIONS (SDS)
DLN-375
< SERVICE DATA AND SPECIFICATIONS (SDS)
[FRONT FINAL DRIVE: R180A]
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Unit: mm (in)
*: Always check with the Parts Department for the latest parts information.
Side Gear Thrust Washer
Unit: mm (in)
*: Always check with the Parts Department for the latest parts information.
Side Bearing Adjusting Washer
Unit: mm (in)
*: Always check with the Parts Department for the latest parts information.
Thickness Part
number*
Thickness Part
number*
3.09 (0.1217)
3.12 (0.1228)
3.15 (0.1240)
3.18 (0.1252)
3.21 (0.1264)
3.24 (0.1276)
3.27 (0.1287)
3.30 (0.1299)
3.33 (0.1311)
3.36 (0.1323)
38154 EA000
38154 EA001
38154 EA002
38154 EA003
38154 EA004
38154 EA005
38154 EA006
38154 EA007
38154 EA008
38154 EA009
3.39 (0.1335)
3.42 (0.1346)
3.45 (0.1358)
3.48 (0.1370)
3.51 (0.1382)
3.54 (0.1394)
3.57 (0.1406)
3.60 (0.1417)
3.63 (0.1429)
3.66 (0.1441)
38154 EA010
38154 EA011
38154 EA012
38154 EA013
38154 EA014
38154 EA015
38154 EA016
38154 EA017
38154 EA018
38154 EA019
Thickness Part
number*
Thickness Part
number*
0.75 (0.0295)
0.78 (0.0307)
0.81 (0.0319)
0.84 (0.0331)
38424 W2010
38424 W2011
38424 W2012
38424 W2013
0.87 (0.0343)
0.90 (0.0354)
0.93 (0.0366)
0.96 (0.0378)
38424 W2014
38424 W2015
38424 W2016
38424 W2017
Thickness
Part number*
Thickness
Part number*
1.95 (0.0768)
2.00 (0.0787)
2.05 (0.0807)
2.10 (0.0827)
2.15 (0.0846)
2.20 (0.0866)
2.25 (0.0886)
2.30 (0.0906)
38453 EA000
38453 EA001
38453 EA002
38453 EA003
38453 EA004
38453 EA005
38453 EA006
38453 EA007
2.35 (0.0925)
2.40 (0.0945)
2.45 (0.0965)
2.50 (0.0984)
2.55 (0.1004)
2.60 (0.1024)
2.65 (0.1043)
38453 EA008
38453 EA009
38453 EA010
38453 EA011
38453 EA012
38453 EA013
38453 EA014
2010 Pathfinder
DLN-376
< PRECAUTION >
[FRONT FINAL DRIVE: M205]
PRECAUTIONS
PRECAUTION
PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
INFOID:0000000005550726
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
Service Manual. 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:0000000005550727
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
PRECAUTIONS
DLN-377
< PRECAUTION >
[FRONT FINAL DRIVE: M205]
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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-III.
Precaution for Servicing Front Final Drive
INFOID:0000000005258484
• 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
DLN-378
< PREPARATION >
[FRONT FINAL DRIVE: M205]
PREPARATION
PREPARATION
PREPARATION
Special Service Tool
INFOID:0000000005258485
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
ST35271000
( — )
Drift
Installing drive pinion front bearing outer
race.
a: 72 mm (2.83 in) dia.
b: 36 mm (1.42 in) dia.
KV10111100
(J-37228)
Seal cutter
Removing carrier cover
KV38100500
(J-25273)
Drift
Installing front oil seal.
a: 80 mm (3.15 in) dia.
b: 60 mm (2.36 in) dia.
ST30021000
( — )
Puller
• Removing side bearing inner race.
• Removing drive pinion rear bearing inner
race.
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
( — )
Drift
Installing drive pinion rear bearing outer race.
A: 79 mm (3.11 in) dia.
B: 45 mm (1.77 in) dia.
C: 35.2 mm (1.39 in) dia.
ZZA0702D
NT046
ZZA0811D
ZZA0700D
ZZA1046D
SDIA0217J
2010 Pathfinder
PREPARATION
DLN-379
< PREPARATION >
[FRONT FINAL DRIVE: M205]
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KV40104810
( — )
Drift
Installing drive pinion front bearing outer
race.
a: 68 mm (2.68 in) dia.
b: 55 mm (2.17 in) dia.
KV38102200
( — )
Drift
Installing front oil seal.
a: 90 mm (3.54 in) dia
.
b: 55.3 mm (2.18 in) dia.
ST33081000
( — )
Adapter
Removing and installing side bearing inner
race.
a: 43 mm (1.69 in) dia
.
b: 33.5 mm (1.32 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
″
)
Inspecting drive pinion bearing preload and
total preload
—
(C-4040)
Installer
Installing 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
ZZA1003D
NT660
ZZA1000D
NT124
SDIA2607E
PDIA0591E
2010 Pathfinder
DLN-380
< PREPARATION >
[FRONT FINAL DRIVE: M205]
PREPARATION
Commercial Service Tool
INFOID:0000000005258486
—
(C-4171)
Handle
• Removing drive pinion front bearing outer
race
• Removing drive pinion rear bearing outer
race
—
(D-103)
Remover
Removing drive pinion front bearing outer
race
—
(C-4307)
Remover
Removing drive pinion rear bearing outer
race
(SP8P)
Slide hammer
• Removing front oil seal
• Removing side oil seal
Tool number
(Kent-Moore No.)
Tool name
Description
LDIA0134E
LDIA0135E
LDIA0135E
LDIA0133E
(Kent-Moore No.)
Tool name
Description
Power tool
Loosening bolts and nuts
PBIC0190E
2010 Pathfinder
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