Nissan Pathfinder (2010 year). Instruction — part 420
FSU-2
< PRECAUTION >
PRECAUTIONS
PRECAUTION
PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
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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 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:0000000005260251
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
FSU-3
< PRECAUTION >
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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
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• When installing the rubber bushings, the final tightening must be done under unladen condition and with the
tires on level ground. Oil will shorten the life of the rubber bushings, so wipe off any spilled oil immediately.
• Unladen condition means the fuel tank, engine coolant and lubricants are at the full specification. The spare
tire, jack, hand tools, and mats are in their designated positions.
• After installing suspension components, check the wheel alignment.
• Lock nuts are not reusable. Always use new lock nuts for installation. New lock nuts are pre-oiled, do not
apply any additional lubrication.
2010 Pathfinder
FSU-4
< PREPARATION >
PREPARATION
PREPARATION
PREPARATION
Special Service Tool
INFOID:0000000005260253
The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated here.
Commercial Service Tool
INFOID:0000000005260254
Tool number
(Kent-Moore No.)
Tool name
Description
ST29020001
(J-24319-01)
Gear arm puller
Removing ball joint for knuckle
a: 34 mm (1.34 in)
b: 6.5 mm (0.256 in)
c: 61.5 mm (2.421 in)
HT72520000
(J-25730-A)
Ball joint remover
Removing tie-rod outer end
NT694
NT146
Tool name
Description
Attachment wheel alignment
Measuring wheel alignment
a: Screw M24 x 1.5 pitch
b: 35 mm (1.38 in) dia.
c: 65 mm (2.56 in) dia.
d: 56 mm (2.20 in)
e: 12 mm (0.47 in)
Spring compressor
Removing and installing coil spring
Power tool
Loosening bolts and nuts
NT148
NT717
PBIC0190E
2010 Pathfinder
NOISE, VIBRATION, AND HARSHNESS (NVH) TROUBLESHOOTING
FSU-5
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SYMPTOM DIAGNOSIS
NOISE, VIBRATION, AND HARSHNESS (NVH) TROUBLESHOOTING
NVH Troubleshooting Chart
INFOID:0000000005260255
Use the chart below to help you find the cause of the symptom. Repair or replace parts as necessary.
x: Applicable
Reference page
"
(R18
0A)
(M
20
5)
"
Possible Cause and
SUSPECTED PARTS
Imp
rop
er i
ns
ta
lla
tio
n,
lo
os
en
es
s
Sh
oc
k ab
so
rbe
r
de
form
a
tio
n,
da
ma
ge
or d
ef
le
ct
ion
Bu
sh
in
g o
r m
ou
nti
ng
de
teri
ora
tio
n
Part
s interf
erence
S
p
rin
g f
ati
gu
e
Su
sp
en
si
on
lo
os
en
es
s
In
co
rrec
t wh
ee
l a
lig
nm
en
t
S
tab
ili
ze
r ba
r fa
tig
ue
DRIVE SHAFT
DIFF
ERENTIAL
WHEE
L HUB A
N
D
BEARING
TI
RE
S
ROAD WHEE
L
BRAKE
S
STE
E
RING
Symptom
Noise
×
×
×
×
×
×
×
×
×
×
×
×
×
Shake
×
×
×
×
×
×
×
×
×
×
×
Vibration
×
×
×
×
×
×
×
×
×
Shimmy
×
×
×
×
×
×
×
×
×
×
Shudder
×
×
×
×
×
×
×
×
Poor quality ride or handling
×
×
×
×
×
×
×
×
×
×
2010 Pathfinder
FSU-6
< ON-VEHICLE MAINTENANCE >
ON-VEHICLE SERVICE
ON-VEHICLE MAINTENANCE
ON-VEHICLE SERVICE
Front Suspension Parts
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Check front suspension parts for excessive play, cracks, wear and
other damage.
• Shake each front wheel to check for excessive play. If looseness is
noted:
- inspect wheel bearing end play. Refer to
.
- check ball joint end play. Refer to
• Make sure that the cotter pin is inserted in drive shaft end (4WD
only).
• Retighten all nuts and bolts to the specified torque.
• Check shock absorber for oil leakage and other damage.
• Check suspension ball joint for grease leakage and ball joint dust
cover for cracks and other damage.
Front Wheel Alignment
INFOID:0000000005260257
PRELIMINARY INSPECTION
WARNING:
Always adjust the alignment with the vehicle on a flat surface.
NOTE:
If alignment is out of specification, inspect and replace any damaged or worn rear suspension parts before
making any adjustments.
1. Check and adjust the wheel alignment with the vehicle under unladen conditions. “Unladen conditions”
means that the fuel, coolant, and lubricant are full; and that the spare tire, jack, hand tools and mats are in
their designated positions.
2. Check the tires for incorrect air pressure and excessive wear.
3. Check the wheels for run out and damage. Refer to
.
4. Check the wheel bearing axial end play. Refer to
FAX-6, "On-Vehicle Inspection and Service"
.
5. Check the shock absorbers for leaks or damage.
6. Check each mounting point of the suspension components for any excessive looseness or damage.
7. Check each link, arm, and the suspension member for any damage.
8. Check the vehicle height. Refer to
FSU-25, "Wheelarch Height (Unladen*
.
GENERAL INFORMATION AND RECOMMENDATIONS
1. A Four-Wheel Thrust Alignment should be performed.
• This type of alignment is recommended for any NISSAN vehicle.
• The four-wheel “thrust” process helps ensure that the vehicle is properly aligned and the steering wheel
is centered.
• The alignment machine itself should be capable of accepting any NISSAN vehicle.
Suspension component torques : Refer to
.
SMA525A
SFA392B
2010 Pathfinder
ON-VEHICLE SERVICE
FSU-7
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• The alignment machine should be checked to ensure that it is level.
2. Make sure the alignment machine is properly calibrated.
• Your alignment machine should be regularly calibrated in order to give correct information.
• Check with the manufacturer of your specific alignment machine for their recommended Service/Cali-
bration Schedule.
THE ALIGNMENT PROCESS
IMPORTANT:
Use only the alignment specifications listed in this Instruction. Refer to
1. When displaying the alignment settings, many alignment machines use “indicators”: (Green/red, plus or
minus, Go/No Go).
Do NOT use these indicators.
• The alignment specifications programmed into your alignment machine that operate these indicators
may not be correct.
• This may result in an ERROR.
2. Some newer alignment machines are equipped with an optional “Rolling Compensation” method to “com-
pensate” the sensors (alignment targets or head units).
Do NOT use this “Rolling Compensation”
method.
• Use the “Jacking Compensation” method. After installing the alignment targets or head units, raise the
vehicle and rotate the wheels 1/2 turn both ways.
• See Instructions in the alignment machine you are using for more information.
CAMBER AND CASTER
1. Measure camber and caster of both the right and left wheels
with a suitable alignment gauge and adjust as necessary to
specification.
NOTE:
Some vehicles may be equipped with straight (non-adjustable)
lower link bolts and washers. In order to adjust camber and
caster on these vehicles, first replace the lower link bolts and
washers with adjustable (cam) bolts and washers.
2. If outside of the specified value, adjust camber and caster using
the adjusting bolts in the front lower link.
CAUTION:
After adjusting the camber then check the toe-in.
NOTE:
Camber changes about 3' (0.05
°
) minutes with each graduation
of one adjusting bolt. Refer to table below for examples of lower
link adjusting bolt effect on camber and caster.
3. Tighten the adjusting bolt nuts to specification. Refer to
Camber
FSU-24, "Wheel Alignment (Unlad-
SRA096A
WEIA0115E
Rear adjusting
bolt
1 In
1 Out
1 In
1 Out
0
0
1 In
1 Out
Front adjusting
bolt
1 Out
1 In
1 In
1 Out
1 In
1 Out
0
0
Camber
Degree minute
(Decimal degree)
0 (0)
0 (0)
7' (0.12
°
)
- 7' (-0.12
°
)
3' (0.05
°
)
- 3' (-0.05
°
)
3' (0.05
°
)
- 3' (-0.05
°
)
Caster
Degree minute
(Decimal degree)
- 12' (-0.20
°
)
12' (0.20
°
)
0 (0)
0 (0)
6' (0.10
°
)
- 6' (-0.10
°
)
- 6' (-0.10
°
)
6' (0.10
°
)
2010 Pathfinder
FSU-8
< ON-VEHICLE MAINTENANCE >
ON-VEHICLE SERVICE
TOE-IN
WARNING:
• Always perform the following procedure on a flat surface.
• Make sure that no person is in front of the vehicle before pushing it.
1. Bounce the front of vehicle up and down to stabilize the vehicle height (posture).
2. Push the vehicle straight ahead about 5 m (16 ft).
3. Put a mark on base line of the tread (rear side) of both front tires
at the same height as hub center as shown. These marks are
measuring points.
4. Measure the distance (A) on the rear side of the front tires as
shown.
5. Push the vehicle slowly ahead to rotate the wheels 180
°
degrees (1/2 a turn).
CAUTION:
If the wheels have rotated more than 180
°
degrees (1/2
turn), start this procedure again from the beginning. Never
push the vehicle backward.
6. Measure the distance (B) on the front side of the front tires at the
same marks as shown. Total toe-in is calculated as (A – B).
7. Adjust the toe-in by varying the length of the steering outer tie-
rods.
a. Loosen the outer tie-rod lock nuts.
b. Adjust the toe-in by screwing the outer tie-rods in or out.
c.
Tighten the outer tie-rod lock nuts to specification.
FRONT WHEEL TURNING ANGLE
NOTE:
Check front wheel turning angle after the toe-in inspection.
AFA050
Total toe-in : Refer to
SFA234AC
Standard length (L)
: Refer to
.
Lock nut
: Refer to
SFA486A
2010 Pathfinder
ON-VEHICLE SERVICE
FSU-9
< ON-VEHICLE MAINTENANCE >
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1. Place front wheels on turning radius gauges in straight ahead
position and rear wheels on stands so that vehicle can be level.
Check the maximum inner and outer wheel turning angles for LH
and RH road wheels.
2. Start engine and run at idle, turn steering wheel all the way right
and left, measure the turning angle.
• Any turning angles are not adjustable. If any of steering angles
are out of the specification, check if the following parts are
worn or damaged.
- Steering gear
- Steering column
- Front suspension components
If found that they are worn or damaged, replace them with new ones.
Wheel turning angle
(full turn)
: Refer to
.
SFA439BA
2010 Pathfinder
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