Nissan Pathfinder (2006 year). Manual — part 357
FUSE AND RELAY BOX
PG-85
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D
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PG
2006 Pathfinder
FUSE AND RELAY BOX
PFP:24012
Terminal Arrangement
EKS00G91
WKIA5014E
PG-86
FUSE AND RELAY BOX
2006 Pathfinder
PS-1
POWER STEERING SYSTEM
G STEERING
CONTENTS
C
D
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H
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SECTION
A
B
PS
2006 Pathfinder
PRECAUTIONS . . . . . . . . . . . . . . .. 2
PREPARATION . . . . . . . . . . . . . . ... 3
Special Service Tools (SST) . . . . . . . . . . 3
Commercial Service Tools . . . . . . . . . . 4
NOISE, VIBRATION, AND HARSHNESS (NVH)
TROUBLESHOOTING . . . . . . . . . . . . 5
NVH Troubleshooting Chart . . . . . . . . . . 5
POWER STEERING FLUID . . . . . . . . . . 6
STEERING WHEEL . . . . . . . . . . . . . 8
On-Vehicle Inspection and Service . . . . . . .. 8
Removal and Installation . . . . . . . . . . .. 9
REMOVAL . . . . . . . . . . . . . . . . 9
INSTALLATION . . . . . . . . . . . . . . 9
STEERING COLUMN . . . . . . . . . . . ... 10
Removal and Installation . . . . . . . . . . 10
INSPECTION AFTER INSTALLATION . . . . 12
Disassembly and Assembly . . . . . . . . . 13
POWER STEERING GEAR AND LINKAGE . . . 15
Removal and Installation . . . . . . . . . . 15
Disassembly and Assembly . . . . . . . . . 17
POWER STEERING OIL PUMP . . . . . . . ... 20
On-Vehicle Inspection and Service . . . . . . . 20
CHECKING RELIEF OIL PRESSURE . . . . 20
Components . . . . . . . . . . . . . . ... 21
Removal and Installation . . . . . . . . . . 21
REMOVAL . . . . . . . . . . . . . . ... 21
INSTALLATION . . . . . . . . . . . . ... 21
Disassembly and Assembly . . . . . . . . . 22
HYDRAULIC LINE . . . . . . . . . . . . . 24
Removal and Installation . . . . . . . . . . 24
PS-2
PRECAUTIONS
2006 Pathfinder
PRECAUTIONS
PFP:00001
Precautions for Supplemental Restraint System (SRS) “AIR BAG” and “SEAT
BELT PRE-TENSIONER”
EGS00118
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 SRS 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 per-
formed by an authorized NISSAN/INFINITI dealer.
●
Improper maintenance, including incorrect removal and installation of the SRS, can lead to per-
sonal injury caused by unintentional activation of the system. For removal of Spiral Cable and Air
Bag Module, see the SRS 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
harness connectors.
Precautions for Steering System
EGS00119
●
Before disassembly, thoroughly clean the outside of the unit.
●
Disassembly should be done in a clean work area. It is important to prevent the internal parts from becom-
ing contaminated by dirt or other foreign matter.
●
For easier and proper assembly, place disassembled parts in order on a parts rack.
●
Use nylon cloth or paper towels to clean the parts; common shop rags can leave lint that might interfere
with their operation.
●
Before inspection or reassembly, carefully clean all parts with a general purpose, non-flammable solvent.
●
Before assembly, apply a coat of recommended Genuine NISSAN PSF or equivalent to hydraulic parts.
Petroleum jelly may be applied to O-rings and seals. Do not use any grease.
●
Replace all gaskets, seals and O-rings. Avoid damaging O-rings, seals and gaskets during installation.
Perform functional tests whenever designated.
PREPARATION
PS-3
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D
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PS
2006 Pathfinder
PREPARATION
PFP:00002
Special Service Tools (SST)
EGS0011A
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
ST3127 S000
(See J-25765-A)
Preload gauge
1. GG9103000
(J-25765-A)
Torque wrench
2. HT62940000
(
—
)
Socket adapter
3. HT62900000
(
—
)
Socket adapter
Inspecting of pinion rotating torque and rota-
tional torque for ball joint
HT72520000
(J-25730-A)
Ball joint remover
Removing steering outer socket
1. KV48105300-4 and 5295262U10
(
—
)
Connector A and O-ring
2. KV48105300-3 and 5295262U00
(
—
)
Eye-bolt and O-ring
3. KV48103500
(J-26357 and J-26357-10)
Pressure gauge and shut-off valve
4. KV48105300-1 and 5295262U00
(
—
)
Connector B and O-ring
5. KV48105300-2
(
—
)
Nut
Measuring oil pump relief pressure
—
(J-44372)
Spring gauge
Measuring steering wheel turning force
KV40107300
(
—
)
Crimping boot bands
S-NT541
NT146
SGIA0427E
LST024
ZZA1229D
PS-4
PREPARATION
2006 Pathfinder
Commercial Service Tools
EGS0011B
KV481J0010
(J-1859A)
Steering wheel puller
Removing steering wheel
KV481J0020
(J-42578)
Steering wheel puller legs
Removing steering wheel
Tool number
(Kent-Moore No.)
Tool name
Description
LHIA0043E
LHIA0044E
Tool name
Description
Power tool
Removing nuts and bolts
PBIC0190E
NOISE, VIBRATION, AND HARSHNESS (NVH) TROUBLESHOOTING
PS-5
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B
PS
2006 Pathfinder
NOISE, VIBRATION, AND HARSHNESS (NVH) TROUBLESHOOTING
PFP:00003
NVH Troubleshooting Chart
EGS0011C
Use 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
Fl
ui
d l
e
vel
Ai
r
in
hydr
aul
ic
sys
te
m
O
u
te
r s
o
ck
et
bal
l j
o
in
t s
w
in
gi
ng
fo
rc
e
Ou
te
r s
o
c
k
e
t
b
a
ll jo
in
t ro
ta
ti
n
g
to
rq
u
e
O
u
te
r s
o
ck
et
bal
l j
o
in
t e
nd
pl
ay
S
teer
in
g
f
lui
d l
e
a
k
age
S
teer
in
g
w
h
eel
p
lay
S
teer
in
g
g
ear
r
a
ck
sl
id
ing
fo
rc
e
D
ri
v
e bel
t l
oose
ness
Im
pr
o
per
s
tee
ri
ng
w
hee
l
Im
pr
o
per
i
n
st
al
la
ti
on
o
r l
o
osen
ess of
t
ilt
l
o
ck l
e
ver
M
o
u
n
ti
ng
r
ubbe
r
det
er
io
ra
ti
on
S
teer
in
g
c
o
lu
m
n
d
e
fo
rm
at
ion
or
da
m
a
ge
Im
pr
o
per
i
n
st
al
la
ti
on
o
r
lo
osen
ess
of
s
te
e
ri
ng
co
lu
m
n
S
te
e
ri
n
g l
in
k
a
ge
l
o
os
e
n
e
s
s
PROPEL
LER S
H
AFT
DIFFERENTIAL
W
H
EEL HUB
SUSPE
N
S
IO
N
TIRES
ROAD W
H
EE
L
DRIVE SHAFT
BRAKE
S
Symptom
Noise
× × × × × × × × ×
× × × × × × ×
×
Shake
× × ×
×
× × × × ×
×
Vibration
× × × × ×
×
× × ×
×
Shimmy
× × ×
×
× × × ×
×
Shudder
×
×
× × × ×
×
PS-6
POWER STEERING FLUID
2006 Pathfinder
POWER STEERING FLUID
PFP:KLF20
Checking Fluid Level
EGS0011D
Check fluid level, referring to the scale on the reservoir tank.
Use HOT range for fluid temperatures of 50
°
– 80
°
C (122
°
– 176
°
F).
Use COLD range for fluid temperatures of 0
°
– 30
°
C (32
°
– 86
°
F).
CAUTION:
●
Do not overfill.
●
Do not reuse any power steering fluid.
●
Recommended fluid is Genuine NISSAN PSF or equivalent.
Refer to
MA-11, "RECOMMENDED FLUIDS AND LUBRI-
Checking Fluid Leakage
EGS0011E
Check the hydraulic piping lines for improper attachment, leaks,
cracks, damage, loose connections, chafing and deterioration.
1.
Run the engine until the fluid temperature reaches 50
°
– 80
°
C
(122
°
– 176
°
F) in the reservoir tank. Keep engine speed idle.
CAUTION:
Do not allow steering fluid reservoir tank to go below the
MIN level line. Check tank frequently and add fluid as
needed.
2.
Turn the steering wheel to the right and left several times.
3.
Hold the steering wheel at each “locked” position for five sec-
onds to check for fluid leakage.
CAUTION:
Do not hold steering wheel in the locked position for more than 10 seconds. (There is the possibil-
ity that the oil pump may be damaged.)
4.
If fluid leakage at a connection is noticed, loosen the connection and then retighten. Do not over-tighten
connector as this can damage O-ring, washer and connector. Refer to
5.
If fluid leakage from the oil pump is noticed, check the oil pump. Refer to
6.
Check steering gear boots for accumulation of fluid, indicating a leak from the steering gear.
CAUTION:
Do not reuse copper washers.
Air Bleeding Hydraulic System
EGS0011F
Incomplete air bleeding causes the following:
●
Air bubbles in reservoir tank
●
Clicking noise in oil pump
●
Excessive buzzing in oil pump
When this happens bleed the air again.
NOTE:
When the vehicle is stationary or while the steering wheel is being turned slowly, some noise may be heard
from the oil pump or gear. This noise is normal and does not affect any system.
1.
Check for fluid leakage. Refer to
PS-6, "Checking Fluid Leakage"
2.
Start the engine and turn the steering wheel fully to the right and left several times.
CAUTION:
Do not allow steering fluid reservoir tank to go below the MIN level line. Check tank frequently and
add fluid as needed.
3.
Run the engine at idle speed. Hold the steering wheel at each "locked" position for three seconds.
LGIA0021E
SGIA0506E
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