WT-4
NOISE, VIBRATION, AND HARSHNESS (NVH) TROUBLESHOOTING
Revision: November 20092006 QX56
NOISE, VIBRATION, AND HARSHNESS (NVH) TROUBLESHOOTINGPFP:00003
NVH Troubleshooting ChartEES001HY
Use the chart below to help you find the cause of the symptom. If necessary, repair or replace these parts.
×: ApplicableReference page
WT-5WT-6WT-38WT-7—
—
WT-38
FFD-6, "
NVH Troubleshooting Chart
" (FFD),
RFD-7, "
NVH Troubleshooting Chart
" (RFD)
FAX-4, "
NVH Troubleshooting Chart
" (FAX),
FSU-4, "
NVH Troubleshooting Chart
" (FSU)
RAX-4, "
NVH Troubleshooting Chart
" (RAX),
RSU-5, "
NVH Troubleshooting Chart
" (RSU)
Refer to TIRES in this chart.
Refer to ROAD WHEEL in this chart.
BR-5, "
NVH Troubleshooting Chart
"
PS-5, "
NVH Troubleshooting Chart
"
Possible cause and SUSPECTED PARTS
Out-of-round
Imbalance
Incorrect tire pressure
Uneven tire wear
Deformation or damage
Non-uniformity
Incorrect tire size
DIFFERENTIAL
FRONT AXLE AND FRONT SUSPENSION
REAR AXLE AND REAR SUSPENSION
TIRES
ROAD WHEEL
BRAKE
STEERING
Symptom TIRESNoise
× ××××× × × ×× ××
Shake × ×××× × × ×× ××
Vibration ××××××
Shimmy × ×××××× × ×× ××
Shudder × ×××× × × ×× ××
Poor quality ride or
handling × ×××× × × ××
ROAD
WHEEL Noise
×××× ×××××
Shake ×× × ×× ×××
Shimmy, shudder ×× × ×× ×××
Poor quality ride or
handling ×× ×
×× ×
WT-38
SERVICE DATA AND SPECIFICATIONS (SDS)
Revision: November 20092006 QX56
SERVICE DATA AND SPECIFICATIONS (SDS)PFP:00030
Road WheelEES001IO
TireEES001IP
Unit: kPa (kg/cm2 , psi)
Wheel type
Aluminum
Maximum radial runout limit Lateral mm (in)
0.3 (0.012) or less
Radial mm (in) 0.3 (0.012) or less
Maximum residual imbalance Dynamic (at rim flange)
Less than 5 g (0.18 oz) (per side)
Static (at rim flange) Less than 10 g (0.35 oz)
Tire size Air pressure
Conventional tire Spare tire
Full size spare tire —240 (2.4, 35)
P265/70R18 240 (2.4, 35)—
