Nissan Frontier. Instruction — part 1181
PREPARATION
ST-3
< PREPARATION >
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PREPARATION
PREPARATION
Special Service Tool
INFOID:0000000009479912
The actual shape of the tools may differ from those illustrated here.
Tool number
(TechMate No.)
Tool name
Description
ST3127 S000
(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
rotational 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
(
—
)
Boot band crimping tool
Crimping boot bands
S-NT541
NT146
SGIA0427E
LST024
ZZA1229D
ST-4
< PREPARATION >
PREPARATION
Commercial Service Tool
INFOID:0000000009479913
KV481J0010
(J-1859A)
Steering wheel puller
Removing steering wheel
KV481J0020
(J-42578)
Steering wheel puller legs
Removing steering wheel
Tool number
(TechMate No.)
Tool name
Description
LHIA0043E
LHIA0044E
Tool name
Description
Power tool
Loosening nuts, screws and bolts
PIIB1407E
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
ST-5
< SYMPTOM DIAGNOSIS >
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SYMPTOM DIAGNOSIS
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
NVH Troubleshooting Chart
INFOID:0000000009479914
Use chart below to help you find the cause of the symptom. If necessary, repair or replace these parts.
×: Applicable
Reference page
"
(Q
R25DE
),
(VQ
4
0DE
)
"
"
"
Possible cause and suspected parts
F
lui
d l
ev
el
Ai
r i
n
hy
dra
u
lic sy
st
em
O
u
ter
so
ck
et
ba
ll
joi
nt
swi
ng
ing
fo
rce
Ou
ter
so
cket
ba
ll
joi
nt
rot
a
ting
torq
ue
O
u
ter
so
ck
et
ba
ll
joi
nt
en
d p
la
y
S
te
eri
ng
fl
ui
d
le
ak
ag
e
S
te
e
ring
whe
e
l pl
ay
S
te
e
ring
ge
ar rac
k sl
id
in
g fo
rce
Dri
ve
be
lt
loo
sen
es
s
Im
pro
p
er
st
ee
ring
wh
ee
l
Im
p
rop
er i
ns
tal
la
tio
n o
r lo
os
en
es
s of
til
t lo
ck
le
ve
r
In
sula
to
r de
te
riora
tio
n
S
tee
rin
g c
o
lum
n
de
form
at
ion
o
r da
ma
ge
Im
p
rop
er i
ns
tal
la
tio
n o
r lo
os
en
es
s of
st
ee
ring
c
olu
m
n
S
te
eri
ng
li
nk
ag
e l
oo
se
ne
ss
P
R
OPE
LLE
R SHAFT
DIFFERENTIAL
AX
LE
S
U
S
PENSION
TI
RE
S
ROAD W
H
EEL
DRIV
E SHAFT
BR
AK
E
S
Symptom
Noise
×
×
× × × × ×
×
×
× × × × × × ×
×
Shake
× × ×
×
× × × × ×
×
Vibration
× × × × ×
×
× × ×
×
Shimmy
× × ×
×
× × × ×
×
Shudder
×
×
× × × ×
×
ST-6
< PERIODIC MAINTENANCE >
POWER STEERING FLUID
PERIODIC MAINTENANCE
POWER STEERING FLUID
Checking Fluid Level
INFOID:0000000009479915
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-16, "FOR USA AND CANADA : Fluids and Lubri-
(United States and Canada),
(Mexico).
Checking Fluid Leakage
INFOID:0000000009479916
Check the hydraulic piping lines for improper attachment, leaks,
cracks, damage, loose connections, chafing and deterioration.
CAUTION:
Do not reuse copper sealing washers.
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 in the 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.
Air Bleeding Hydraulic System
INFOID:0000000009479917
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.
1. With engine not started, turn steering wheel fully right to left several times. when fluid level is lowered,
refill reservoir. Repeat process until fluid level is stabilized.
2. Start the engine and turn the steering wheel fully to the right and left several times.
CAUTION:
Do not allow steering fluid in the reservoir tank to go below the MIN level line. Check tank fre-
quently and add fluid as needed.
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.
3. Run the engine at idle speed. Hold the steering wheel at each "locked" position for three seconds and
check for leakage.
LGIA0021E
SGIA0506E
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