WT-4
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NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
NVH Troubleshooting ChartINFOID:0000000001703747
Use the chart below to help you find the cause of the symptom. If necessary, repair or replace these parts.
×: ApplicableReference page
FAX-5WT-5
WT-6
WT-25—
—
—
—
FAX-4, "
NVH Troubleshooting Chart
",
FSU-5, "
NVH Troubleshooting Chart
"
RAX-3, "
NVH Troubleshooting Chart
",
RSU-4, "
NVH Troubleshooting Chart
"
Refer to TIRES in this chart
Refer to ROAD WHEEL in this chart
FAX-4, "
NVH Troubleshooting Chart
"
BR-4, "
NVH Troubleshooting Chart
"
PS-5, "
NVH Troubleshooting Chart
"
Possible cause and SUSPECTED PARTS
Improper installation, looseness
Out-of-round
Imbalance
Incorrect tire pressure
Uneven tire wear
Deformation or damage
Non-uniformity
Incorrect tire size
FRONT AXLE AND FRONT SUSPENSION
REAR AXLE AND REAR SUSPENSION
TIRES
ROAD WHEELS
DRIVE SHAFT
BRAKE
STEERING
SymptomTIRESNoise× ×××××× × × ××××
Shake× ××××× × × × ××××
Vibration××××××
Shimmy× ××××××× × × × ××
Shudder× ××××× × × × × ××
Poor quality ride
or handling× ××××× × × × ×
ROAD WHEELNoise× ×× × × × × ×××
Shake× ×× × × × × ×××
Shimmy, Shud-
der×××× ×××××
Poor quality ride
or handling××× × × × ×
SERVICE DATA AND SPECIFICATIONS (SDS)
WT-25
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SERVICE DATA AND SPECIFICATIONS (SDS)
Road WheelINFOID:0000000001703773
TireINFOID:0000000001703774
Unit: kPa (kg/cm2 , psi)
Standard itemAllowable
Aluminum Steel
Maximum radial runout limitLateral deflection Less than 0.3 mm
(0.012 in)Less than 0.5 mm
(0.020 in)
Radial deflection Less than 0.3 mm
(0.012 in)Less than 0.8 mm
(0.031 in)
Maximum allowable unbalanceDynamic
(At rim flange)Less than 5 g (0.18 oz) (one side)
Static (At rim flange) Less than 10 g (0.35 oz)
Tire size/speed
ratingAir pressure
Conventional tire
Spare tire
Front wheel Rear wheel
P185/65R15 86H 230 (2.3, 33) 230 (2.3, 33) —
T125/70D15 — — 420 (4.2, 60)
