Infiniti Q45 (FY33). Manual — part 538
Special Service Tools
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
KV48103404
(
—
)
Torque adapter
NT236
Measuring pinion rotating torque
ST27180001
(J25726-A)
Steering wheel puller
NT544
Removing steering wheel
ST29020001
(J24319-01)
Pitman arm puller
NT694
Removing ball joint
a: 34 mm (1.34 in)
b: 6.5 mm (0.256 in)
c: 61.5 mm (2.421 in) radius
KV48103500
(J26357 and J26357-10)
Pressure gauge
NT547
Measuring oil pressure
KV48102500
(J33914)
Pressure gauge adapter
NT542
Measuring oil pressure
ST3127S000
(See J25765-A)
q
1
GG91030000
(J25765-A)
Torque wrench
q
2
HT62940000
(
—
)
Socket adapter
q
3
HT62900000
(
—
)
Socket adapter
NT541
Measuring turning torque
KV48104400
(
—
)
Rack seal ring reformer
NT550
Reforming teflon ring
a: 50 mm (1.97 in) dia.
b: 36 mm (1.42 in) dia.
c: 100 mm (3.94 in)
GI
MA
EM
LC
EC
FE
AT
PD
FA
RA
BR
RS
BT
HA
EL
IDX
PRECAUTIONS AND PREPARATION
ST-3
Tool number
(Kent-Moore No.)
Tool name
Description
(J-44372)
Spring gauge
LST024
Measuring steering wheel turning force
(J-44183-A)
Spring gauge
LST025
Measuring rack sliding force
Commercial Service Tools
Tool name
Description
Rear oil seal drift
NT063
Installing rear oil seal
a: 28 mm (1.10 in) dia.
Pinion oil seal drift
NT063
Installing pinion oil seal
a: 35 mm (1.38 in) dia.
Oil pump attachment
NT179
Disassembling and assembling oil pump
Unit: mm (in)
PRECAUTIONS AND PREPARATION
Special Service Tools (Cont’d)
ST-4
NVH Troubleshooting Chart
Use the chart below to help you find the cause of the symptom. If necessary, repair or replace these parts.
Reference page
ST
-7
ST
-6
ST
-9
Refer
to
—
ST
-1
1
ST
-7
Refer
to
Refer
to
Refer
to
and
Refer
to
Refer
to
Refer
to
Refer
to
Possible cause and
SUSPECTED PARTS
Fluid
level
Air
in
hydraulic
system
T
ie-rod
ball
joint
swinging
force
T
ie-rod
ball
joint
rotating
torque
T
ie-rod
ball
joint
end
play
Steering
gear
fluid
leakage
Steering
wheel
play
Steering
gear
rack
sliding
force
Drive
belt
looseness
Improper
steering
wheel
or
damage
Improper
installation
or
looseness
of
tilt
lock
lever
Mounting
rubber
deterioration
Steering
column
deformation
Improper
installation
or
looseness
of
steering
column
Steering
linkage
looseness
PROPELLER
SHAFT
DIFFERENTIAL
AXLE
AND
SUSPENSION
TIRES
ROAD
WHEEL
DRIVE
SHAFT
BRAKES
Symptom
STEERING
Noise
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
Shake
X
X
X
X
X
X
X
X
X
Vibration
X
X
X
X
X
X
X
X
X
Shimmy
X
X
X
X
X
X
X
X
Judder
X
X
X
X
X
X
X: Applicable
GI
MA
EM
LC
EC
FE
AT
PD
FA
RA
BR
RS
BT
HA
EL
IDX
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
ST-5
SST489B
Checking Steering Wheel Play
I
With wheels in a straight-ahead position, check steering wheel
play.
Steering wheel play:
35 mm (1.38 in) or less
I
If it is not within specification, check the following for loose or
worn components.
Steering gear assembly
Steering column
Front suspension and axle
SST490BA
Checking Neutral Position on Steering Wheel
Pre-checking
I
Make sure that wheel alignment is correct.
Wheel alignment:
Refer to FA section, SDS.
I
Verify that the steering gear is centered before removing the
steering wheel.
Checking
1.
Check that the steering wheel is in the neutral position when
driving straight ahead.
2.
If it is not in the neutral position, remove the steering wheel and
reinstall it correctly.
3.
If the neutral position is between two teeth, loosen tie-rods lock
nuts. Turn the tie-rods by the same amount in opposite direc-
tions on both left and right sides.
SMA127
Front Wheel Turning Angle
1.
Rotate steering wheel all the way right and left; measure turn-
ing angle.
Turning angle of full turns:
Refer to FA section, SDS.
SST307BA
2.
If it is not within specification, check rack stroke.
Rack stroke “S”:
Refer to SDS (ST-38).
ON-VEHICLE SERVICE
ST-6
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