2011 INFINITI QX56 tire pressure

NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTINGWT-61
< SYMPTOM DIAGNOSIS >
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NOISE, VIBRATION AND HARSHN ESS (NVH) TROUBLESHOOTING
NVH Troubleshooting ChartINFOID:0000000006225544
Use the chart below to find the cause of the symp tom. If necessary, repair or replace these parts.
×: ApplicableReference
WT-64, "
Exploded View
"
WT-64, "
Inspection
"
WT-62, "
Adjustment
"
WT-69, "
Tire Air Pressure
"
WT-64, "
Inspection
"
—
—
WT-69, "
Tire Air Pressure
"
NVH in DLN section.
NVH in DLN section.
NVH in FAX and FSU sections.
NVH in RAX and RSU sections.
Refer to TIRES in this chart.
Refer to ROAD WHEEL in this chart.
NVH in FAX, RAX section.
NVH in BR section.
NVH in ST section.
Possible cause and SUSPECTED PARTS
Improper installation, looseness
Out-of-round
Unbalance
Incorrect tire pressure
Uneven tire wear
Deformation or damage
Non-uniformity
Incorrect tire size
PROPELLER SHAFT
DIFFERENTIAL
FRONT AXLE AND FRONT SUSPENSION
REAR AXLE AND REAR SUSPENSION
TIRES
ROAD WHEELS
DRIVE SHAFT
BRAKE
STEERING
Symptom TIRESNoise
××××××× ×××× ××××
Shake ×××××× ×× ×× ××××
Vibration ×××××××
Shimmy ×××××××× ×× × ××
Judder ×
××××× × ×× × ××
Poor quality ride or
handling ×××××× × × ××
ROAD
WHEEL Noise
××× × ××××× ×××
Shake ××× × × ××× ×××
Shimmy, Judder ××× × ××× ××
Poor quality ride or
handling ××× × ×××
Revision: 2010 May2011 QX56

LOW TIRE PRESSURE WARNING CONTROL UNIT
WT-65
< REMOVAL AND INSTALLATION >
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LOW TIRE PRESSURE WA RNING CONTROL UNIT
Exploded ViewINFOID:0000000006225550
Removal and InstallationINFOID:0000000006225551
REMOVAL
1. Remove the glove box assembly. Refer to IP-14, "Removal and Installation".
2. Remove the instrument lower panel RH. Refer to IP-14, "
Removal and Installation".
3. Disconnect low tire pressure warning control unit connector.
4. Remove the low tire pressure warning control unit control unit.
INSTALLATION
Note the following, install in the reverse order of removal.
 Perform ID registration after replacing low tire pressure warning control unit. Refer to WT-29, "
Work Proce-
dure".
1. Low tire pressure warning control unit 2. Bracket
: Vehicle front
Refer to GI-4, "
Components" for symbols in the figure.
JPEIC0072ZZ
Revision: 2010 May2011 QX56

WT-68
< REMOVAL AND INSTALLATION >
TIRE PRESSURE RECEIVER
TIRE PRESSURE RECEIVER
Exploded ViewINFOID:0000000006225554
FRONT TIRE PRESSURE RECEIVER
FRONT TIRE PRESSURE RECEIVER : Removal and InstallationINFOID:0000000006225555
REMOVAL
1. Remove fender protector (rear). Refer to EXT-23, "FENDER PROTECTOR : Removal and Installation".
2. Remove mounting bolt for the front tire pressure receiver.
3. Disconnect front tire pressure receiver harness connector.
4. Remove front tire pressure receiver.
INSTALLATION
Installation is the reverse order of removal.
REAR TIRE PRESSURE RECEIVER
REAR TIRE PRESSURE RECEIVER : Removal and InstallationINFOID:0000000006225556
REMOVAL
1. Remove rear wheel house protector. Refer to EXT-24, "REAR WHEEL HOUSE PROTECTOR : Removal
and Installation".
2. Remove mounting bolt for the rear tire pressure receiver.
3. Disconnect rear tire pressure receiver harness connector.
4. Remove rear tire pressure receiver.
INSTALLATION
Installation is the reverse order of removal.
1. Front tire pressure receiver 2. Rear tire pressure receiver
: Vehicle front
Refer to GI-4, "
Components" for symbols in the figure.
JSEIA0010GB
Revision: 2010 May2011 QX56

SERVICE DATA AND SPECIFICATIONS (SDS)
WT-69
< SERVICE DATA AND SPECIFICATIONS (SDS)
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SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
Road WheelINFOID:0000000006225557
ALUMINUM WHEEL
Tire Air PressureINFOID:0000000006225558
Unit: kPa (kg/cm2, psi)
Item Limit
Radial runout Lateral deflection
Less than 0.3 mm (0.012 in)
Vertical deflection
Allowable unbalance Dynamic (At flange) Less than 7 g (0.25 oz) (one side)
Static (At flange) Less than 14 g (0.49 oz)
Tire size Air pressure
Front Rear
P275/60R20 114H 240 (2.4, 35)
P275/50R22 111H 240 (2.4, 35)
Revision: 2010 May2011 QX56