Nissan Pathfinder. Manual — part 990
PREPARATION
RSU-3
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PREPARATION
PREPARATION
Special Service Tool
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The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated here.
Commercial Service Tool
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Tool number
(Kent-Moore No.)
Tool name
Description
(—)
(J-44372)
Pull gauge
Measuring ball joint swinging force
—
(J-49286)
Drift and Pull gauge
Measuring drift and pull
LST024
AWEIA0156ZZ
Tool name
Description
Power tool
Loosening nuts, screws and bolts
PIIB1407E
RSU-4
< SYMPTOM DIAGNOSIS >
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
SYMPTOM DIAGNOSIS
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
NVH Troubleshooting Chart
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Use chart below to find the cause of the symptom. If necessary, repair or replace these parts.
×: Applicable
Reference page
,
,
,
,
,
,
—
—
—
,
,
,
,
,
,
t"
t"
Possible cause and SUSPECTED PARTS
Im
pro
pe
r in
st
al
lat
ion
,
lo
os
en
es
s
Sh
oc
k ab
so
rbe
r d
efo
rma
tio
n,
da
ma
ge
or
de
fle
ct
ion
Bu
sh
in
g
or m
ou
nt
ing
d
ete
rio
rati
on
Part
s interference
S
pri
ng fat
igu
e
Su
spen
sion
lo
os
en
es
s
In
co
rre
ct whee
l ali
gn
m
e
nt
S
tab
ilize
r b
ar f
ati
gu
e
PROPELLE
R
SHAFT (4WD)
DIF
F
ERENTI
AL (4WD)
REA
R
AXLE
TI
RE
ROAD W
H
E
E
L
DRIV
E SHAFT
(4W
D
)
BRA
K
E
Symp-
tom
REAR SUSPEN-
SION
Noise
×
×
×
×
×
×
×
×
×
×
×
×
×
Shake
×
×
×
×
×
×
×
×
×
×
×
Vibration
×
×
×
×
×
×
×
×
×
Shimmy
×
×
×
×
×
×
×
×
×
Shudder
×
×
×
×
×
×
×
Poor quality ride
or handling
×
×
×
×
×
×
×
×
×
×
REAR SUSPENSION ASSEMBLY
RSU-5
< PERIODIC MAINTENANCE >
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PERIODIC MAINTENANCE
REAR SUSPENSION ASSEMBLY
On-vehicle Service
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• Check the suspension parts for excessive play, cracks, wear or damage. Shake each rear wheel to check for
excessive play.
• Retighten all nuts and bolts to the specified torque.
• Make sure that each cotter pin is installed (if equipped).
• Check the shock absorber for oil leakage or other damage.
• Check the wheelarch height. Refer to
• Check the suspension ball joint for grease leakage and the ball
joint dust cover for cracks or other damage.
Inspection
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SHOCK ABSORBER ASSEMBLY
• Check for smooth operation through a full stroke for both compression and extension.
• Check for oil leakage on the welded or gland packing portions.
• Check the shock absorber piston rod for cracks, deformation or other damage and replace if necessary.
SUSPENSION ARM
• Check the suspension arm for damage, cracks, deformation and replace if necessary.
• Check the rubber bushings for damage, cracks and deformation. Replace suspension arm if necessary.
• Check the ball joint. Replace the suspension arm assembly if any
of the following conditions exist:
- Ball stud is worn.
- Joint is hard to swing.
- Check if the swinging force (A), rotating torque (B), or vertical end
play (C) is out of specification using Tool.
NOTE:
Before checking specifications, turn the ball joint at least 10 revolu-
tions so the ball joint is properly broken in.
RADIUS ROD
• Check the radius rod for any deformation, cracks, or damage and replace if necessary.
• After installing the radius rod, check the wheel alignment and adjust if necessary. Refer to
FRONT LOWER LINK
• Check the front lower link for any deformation, cracks, or damage and replace if necessary.
UPPER AND LOWER RUBBER SEATS
• Check the upper and lower rubber seats for deterioration or cracks and replace if necessary.
REAR LOWER LINK AND COIL SPRING
SMA113
Tool number : — (J-44372)
Swinging force (A)
: Refer to
Rotating torque (B)
: Refer to
Vertical end play (C)
: Refer to
SFA858A
RSU-6
< PERIODIC MAINTENANCE >
REAR SUSPENSION ASSEMBLY
• Check the rear lower link and coil spring for any deformation, cracks, or other damage and replace if neces-
sary.
STABILIZER BAR
• Check the stabilizer bar and clamps for any deformation, cracks or damage and replace if necessary.
• Check the rubber bushings for deterioration or cracks and replace if necessary.
Inspection and Adjustment
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Before checking the rear wheel alignment, make a preliminary inspection.
• Measure the wheel alignment under unladen conditions.
NOTE:
Unladen conditions mean that fuel, engine coolant, and lubricants are full and that the spare tire, jack, hand
tools and mats are in their designated positions.
PRELIMINARY INSPECTION
• Check the tires for wear and for improper inflation.
• Check the wheels for deformation, cracks, and other damage. Remove the wheel and check the wheel
.
• Check the rear wheel bearings for looseness.
• Check the rear suspension for looseness.
• Check that the rear shock absorbers work properly.
• Check the wheelarch height in the unladen condition. Refer to
.
GENERAL INFORMATION AND RECOMMENDATIONS
1. A Four-Wheel Thrust Alignment should be performed.
• This type of alignment is recommended for any NISSAN/INFINITI 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/INFINITI vehicle.
• 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 Service Manual. 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. Most camera-type alignment machines are equipped with both "Rolling Compensation" method and
optional "Jacking Compensation" method to "compensate" the alignment targets or head units.
"Rolling Compensation" is the preferred method.
• If using the "Rolling Compensation" method, after installing the alignment targets or head units, push or
pull on the rear wheel to move the vehicle. Do not push or pull the vehicle body.
• If using the "Jacking Compensation" method, after installing the alignment targets or head units, raise
the vehicle and rotate the wheels 1/2 turn both ways.
NOTE:
Do not use the "Rolling Compensation" method if you are using sensor-type alignment equipment.
• Follow all instructions for the alignment machine you're using for more information.
CAMBER
• Measure the camber of both the right and left wheels using a suitable alignment gauge and adjust using the
following procedure.
Camber
: Refer to
RSU-23, "Wheel Alignment (Unlad-
.
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