Infiniti M45 (Y34). Manual — part 800
ROAD WHEEL TIRE ASSEMBLY
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ROAD WHEEL TIRE ASSEMBLY
PFP:40300
Balancing Wheels (Bonding Weight Type)
AES000DQ
REMOVAL
1.
Remove inner and outer balance weights from the road wheel.
CAUTION:
Be careful not to scratch the road wheel during removal.
2.
Using releasing agent, remove double-faced adhesive tape from the road wheel.
CAUTION:
●
Be careful not to scratch the road wheel during removal.
●
After removing double-faced adhesive tape, wipe clean traces of releasing agent from the road
wheel.
WHEEL BALANCE ADJUSTMENT
●
If a tire balance machine has adhesion balance weight mode settings and drive-in weight mode setting,
select and adjust a drive-in weight mode suitable for road wheels.
1.
Set road wheel on wheel balancer using the center hole as a guide. Start the tire balance machine.
2.
When inner and outer unbalance values are shown on the wheel balancer indicator, multiply outer unbal-
ance value by 5/3 to determine balance weight that should be used. Select the outer balance weight with
a value closest to the calculated value above and install it to the designated outer position of, or at the
designated angle in relation to the road wheel.
CAUTION:
●
Do not install the inner balance weight before installing the outer balance weight.
●
Before installing the balance weight, be sure to clean the
mating surface of the road wheel.
Indicated unbalance value
×
5/3 = balance weight to be installed
Calculation example:
23 g (0.81 oz)
×
5/3 = 38.33 g (1.35 oz) = 40 g (1.41 oz) balance
weight (closer to calculated balance weight value)
Note that balance weight value must be closer to the calculated
balance weight value.
Example:
37.4 = 35 g (1.23 oz)
37.5 = 40 g (1.41 oz)
a.
Install balance weight in the position shown in the figure.
b.
When installing balance weight to road wheels, set it into the
grooved area on the inner wall of the road wheel as shown in the
figure so that the balance weight center is aligned with the wheel
balancer indication position (angle).
CAUTION:
●
Always use genuine Nissan adhesion balance weights.
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Balance weights are unreusable; always replace with new
ones.
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Do not install more than three sheets of balance weight.
SMA054D
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ROAD WHEEL TIRE ASSEMBLY
c.
If calculated balance weight value exceeds 50 g (1.76 oz), install
two balance weight sheets in line with each other (as shown in
the figure).
CAUTION:
Do not install one balance weight sheet on top of another.
3.
Start wheel balancer again.
4.
Install drive-in balance weight on inner side of road wheel in the
wheel balancer indication position (angle).
CAUTION:
Do not install more than two balance weights.
5.
Start wheel balancer. Make sure that inner and outer residual
unbalance values are 10 g (0.35 oz) each or below.
●
If either residual unbalance value exceeds 10 g (0.35 oz), repeat installation procedures.
Wheel balance (Maximum allowable unbalance):
Rotation
AES0003Z
●
Do not include the T-type spare tire when rotating the tires.
CAUTION:
When installing wheels, tighten them diagonally by dividing the work two to three times in order to
prevent the wheels from developing any distortion.
Maximum allowable
unbalance
Dynamic (At rim flange)
Less than 10 g (0.35 oz) (one side)
Static (At rim flange)
Less than 20 g (0.70 oz)
SMA056D
Tightening torque of wheel nut
: 98 - 118 N·m (10 - 12 kg-m, 72 - 87 ft-lb)
LOW TIRE PRESSURE WARNING SYSTEM
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LOW TIRE PRESSURE WARNING SYSTEM
PFP:40300
System Components
AES00040
System Description
AES00041
TRANSMITTER
A sensor-transmitter integrated with a valve is installed on a wheel,
and transmits a detected air pressure signal in the form of a radio
wave.
ANTENNA
Receives the radio wave signal transmitted by the transmitter.
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LOW TIRE PRESSURE WARNING SYSTEM
TIRE PRESSURE WARNING CONTROL UNIT
Reads the radio wave signal received by the antenna, and controls
the warning lamp and the buzzer operations as shown below. It also
has a judgement function to detect a system malfunction.
DISPLAY
Displays the air pressure of each tire.
●
After the ignition switch is turned ON, the pressure values are
not be displayed until the data of all four wheels stabilizes.
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Condition
Warning lamp
Buzzer
Less than 190 kPa (1.9 kg/cm
2
, 27 psi) [Flat tire]
ON
Sounds for 10 sec.
System malfunction
ON
OFF
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