Infiniti QX56 (JA60). Manual — part 685
CHASSIS AND BODY MAINTENANCE
MA-33
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• 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 wheels.
1. Set wheel on wheel balancer using the center hole as a guide. Start the tire balance machine.
2. When inner and outer imbalance values are shown on the wheel balancer indicator, multiply outer imbal-
ance value by 1.6 to determine balance weight that should be used. Select the outer balance weight with
a value closest to the calculated value and install it to the designated outer position of, or at the desig-
nated 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 wheel.
Indicated imbalance 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 g = 35 g (1.23 oz)
37.5 g = 40 g (1.41 oz)
a. Install balance weight in the position shown.
b. When installing balance weight to wheels, set it into the grooved
area on the inner wall of the wheel as shown so that the balance
weight center is aligned with the wheel balancer indication posi-
tion (angle).
CAUTION:
• Always use Genuine NISSAN adhesion balance weights.
• Balance weights are not reusable; always replace with
new ones.
• Do not install more than three sheets of balance weights.
c. If calculated balance weight value exceeds 50 g (1.76 oz), install
two balance weight sheets in line with each other as shown.
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
imbalance values are 5 g (0.18 oz) each or below.
• If either residual imbalance value exceeds 5 g (0.18 oz),
repeat installation procedures.
SMA054D
WDIA0060E
SMA056D
MA-34
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CHASSIS AND BODY MAINTENANCE
Wheel balance (Maximum allowable imbalance):
WHEELS : Rotation
INFOID:0000000005403160
NOTE:
Follow the maintenance schedule for tire rotation service intervals. Refer to
.
1. Rotate the tires on each side from front to back as shown. Do
not include the 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.
2. Adjust the tire pressure to specification. Refer to
.
3. After the tire rotation, retighten the wheel nuts after the vehicle
has been driven for 1,000 km (600 miles), and also after every
wheel and tire have been installed such as after repairing a flat tire.
BRAKE FLUID LEVEL AND LEAKS
BRAKE FLUID LEVEL AND LEAKS : On Board Inspection
INFOID:0000000005403161
LEVEL CHECK
• Make sure the fluid level in reservoir tank is between MAX and MIN
lines as shown.
• Visually check around reservoir tank for fluid leaks.
• If fluid level is excessively low, check brake system for leaks.
• If brake warning lamp remains illuminated after parking brake
pedal is released, check brake system for fluid leaks.
BRAKE LINES AND CABLES
BRAKE LINES AND CABLES : Checking Brake Line and Cables
INFOID:0000000005259676
1. Check the brake lines and hoses for cracks, deterioration, and
other damage. Replace any damaged parts.
CAUTION:
If brake fluid leaks are visible around the brake line joints,
retighten the joint, or replace damaged parts as necessary.
2. Check for brake fluid leaks by fully depressing brake pedal while
engine is running.
DISC BRAKE
Maximum allowable imbalance
Dynamic (At rim flange)
5 g (0.18 oz) (one side)
Static
10 g (0.35 oz)
Wheel nut torque
: 133 N·m (14 kg-m, 98 ft-lb)
SMA829C
LFIA0225E
SBR389C
CHASSIS AND BODY MAINTENANCE
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DISC BRAKE : Front Pad Inspection
INFOID:0000000005403162
PAD WEAR
Check pad thickness from the inspection holes on cylinder body.
Check using a scale if necessary.
DISC BRAKE : Front Rotor Inspection
INFOID:0000000005403163
VISUAL
Check surface of disc rotor for uneven wear, cracks, and serious damage. Replace as necessary.
RUNOUT
1. Attach disc rotor to wheel hub using wheel nuts (at two or more
positions).
2. Inspect runout using a dial gauge placed at 10 mm (0.39 in)
inside the disc edge.
NOTE:
Before measuring, make sure that wheel bearing axial end play
is within the specification. Refer to
.
3. When runout exceeds limit value, displace mounting positions of disc rotor by one hole. And then find a
position of the minimum value for runout.
4. If runout is outside the specified value after performing the above operation, turn disc rotor using Tool.
THICKNESS
Check thickness of the disc rotor using a micrometer. Replace disc
rotor if thickness is less than the wear limit.
DISC BRAKE : Rear Pad Inspection
INFOID:0000000005403164
PAD WEAR
Standard thickness
: Refer to
.
Repair limit thickness
: Refer to
.
WFIA0522E
Runout limit
: Refer to
.
(with it attached to the vehicle)
Tool number
: 38-PFM90.5 ( — )
BRA0580D
Standard thickness
: Refer to
.
Repair limit thickness
: Refer to
.
Thickness variation
(Measured at 8 positions)
: Refer to
.
SBR020B
MA-36
< ON-VEHICLE MAINTENANCE >
CHASSIS AND BODY MAINTENANCE
Check pad thickness from the inspection holes on cylinder body.
Check using a scale if necessary.
DISC BRAKE : Rear Rotor Inspection
INFOID:0000000005403165
VISUAL
Check surface of disc rotor for uneven wear, cracks, and serious damage. Replace as necessary.
RUNOUT
1. Attach disc rotor to wheel hub using wheel nuts (at two or more
positions).
2. Inspect runout using dial gauge placed at 10 mm (0.39 in) inside
disc edge.
NOTE:
Before measuring, make sure that wheel bearing axial end play
is within the specification. Refer to
.
3. When runout exceeds limit value, displace mounting positions of disc rotor by one hole. And then find a
position of the minimum value for runout.
4. If runout is outside the specified value after performing the above operation, turn disc rotor using Tool.
THICKNESS
Check the thickness of the disc rotor using a micrometer. Replace
disc rotor if the thickness is less than the wear limit.
STEERING GEAR AND LINKAGE
STEERING GEAR AND LINKAGE : Checking Steering Gear and Linkage
INFOID:0000000005403168
STEERING GEAR
Standard thickness
: Refer to
.
Repair limit thickness
: Refer to
.
BRA0010D
Runout limit
: Refer to
(With it attached to the vehicle)
Tool number
: 38-PFM90.5 ( — )
BRA0697D
Standard thickness
: Refer to
.
Repair limit thickness
.
Thickness variation
(Measured at 8 positions)
.
SFIA2284E
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