How To Proceed With Troubleshooting

DIAGNOSIS OF TIRE VIBRATION
1. TIGHTEN WHEEL NUTS
2. INSPECT TIRES (See INSPECTION )
  NG: Go to step 3
  
  OK: Go to step 4
3. REPAIR OR REPLACE TIRE(S)
4. INSPECT AND/OR ADJUST WHEEL BALANCE (See TIRE PRESSURE WARNING SYSTEM )
5. INSPECT FRONT AXLE HUB BEARING LOOSENESS AND AXLE HUB RUNOUT (See ON-VEHICLE INSPECTION )
  NG: Go to step 6
  
  OK: Go to step 7
6. REPAIR FRONT AXLE HUB BEARING LOOSENESS AND AXLE HUB RUNOUT (See REMOVAL )
7. INSPECT REAR AXLE HUB BEARING LOOSENESS AND AXLE HUB RUNOUT
  1. for 2WD (See ON-VEHICLE INSPECTION )
  2. for 4WD (See ON-VEHICLE INSPECTION )
  NG: Go to step 8
  
  OK: Go to step 9
8. REPAIR REAR AXLE HUB BEARING LOOSENESS AND AXLE HUB RUNOUT
  1. for 2WD (See ON-VEHICLE INSPECTION )
  2. for 4WD (See ON-VEHICLE INSPECTION )
9. PERFORM ROAD TEST
10. RETURN VEHICLE TO CUSTOMER
DIAGNOSIS OF IRREGULAR TIRE WEAR
1. INSPECT TIRES (See INSPECTION )
2. REPAIR OR REPLACE TIRE(S)
3. INSPECT AND/OR ADJUST FRONT WHEEL ALIGNMENT (See FRONT WHEEL ALIGNMENT )
4. INSPECT AND/OR ADJUST REAR WHEEL ALIGNMENT (See REAR WHEEL ALIGNMENT )
5. PERFORM ROAD TEST
6. RETURN VEHICLE TO CUSTOMER