Initial Inspection and Diagnostic Overview

TIRE / WHEEL: TIRE AND WHEEL SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING

HOW TO PROCEED WITH TROUBLESHOOTING

1. DIAGNOSIS OF TIRE VIBRATION
1. CHECK THAT WHEEL NUTS ARE FULLY TIGHTENED
NG -- Go to step 8
OK -- Continue to next step.

2. CHECK TIRE PRESSURE Component Tests and General Diagnostics
NG -- Go to step 10
OK -- Continue to next step.

3. CHECK WHEEL BALANCE Component Tests and General Diagnostics
NG -- Go to step 12
OK -- Continue to next step.

4. INSPECT FRONT AXLE HUB BEARING LOOSENESS AND AXLE HUB RUNOUT Front Axle Hub
NG -- Go to step 14
OK -- Continue to next step.

5. INSPECT REAR AXLE HUB BEARING LOOSENESS AND AXLE HUB RUNOUT
(a) for Double Wishbone Type Suspension
(1) Inspect the rear axle hub bearing looseness and axle hub runout Rear Axle Hub (for Double Wishbone Type Suspension).
(b) for Torsion Beam Type Suspension
(1) Inspect the rear axle hub bearing looseness and axle hub runout Rear Axle Hub (for Torsion Beam Type Suspension).
NG -- Go to step 16
OK -- Continue to next step.

6. REPAIR OR REPLACE TIRE(S)
NEXT -- Continue to next step.

7. PERFORM ROAD TEST
NEXT -- RETURN VEHICLE TO CUSTOMER
8. TIGHTEN WHEEL NUTS
NEXT -- Continue to next step.

9. PERFORM ROAD TEST
NEXT -- RETURN VEHICLE TO CUSTOMER
10. ADJUST TIRE PRESSURE Component Tests and General Diagnostics
NEXT -- Continue to next step.

11. PERFORM ROAD TEST
NEXT -- RETURN VEHICLE TO CUSTOMER
12. ADJUST WHEEL BALANCE Component Tests and General Diagnostics
NEXT -- Continue to next step.

13. PERFORM ROAD TEST
NEXT -- RETURN VEHICLE TO CUSTOMER
14. REPAIR FRONT AXLE HUB BEARING LOOSENESS AND AXLE HUB RUNOUT Removal
NEXT -- Continue to next step.

15. PERFORM ROAD TEST
NEXT -- RETURN VEHICLE TO CUSTOMER
16. REPAIR REAR AXLE HUB BEARING LOOSENESS AND AXLE HUB RUNOUT
(a) for Double Wishbone Type Suspension
(1) Repair the rear axle hub bearing looseness and axle hub runout Removal.
(b) for Torsion Beam Type Suspension
(1) Repair the rear axle hub bearing looseness and axle hub runout Removal.
NEXT -- Continue to next step.

17. PERFORM ROAD TEST
NEXT -- RETURN VEHICLE TO CUSTOMER
2. DIAGNOSIS OF IRREGULAR TIRE WEAR
1. CHECK TIRE PRESSURE Component Tests and General Diagnostics
NG -- Go to step 6
OK -- Continue to next step.

2. CHECK FRONT WHEEL ALIGNMENT Service and Repair
NG -- Go to step 8
OK -- Continue to next step.

3. CHECK REAR WHEEL ALIGNMENT
(a) for Double Wishbone Type Suspension
(1) Check the rear wheel alignment Rear Wheel Alignment (for Double Wishbone Type Suspension).
(b) for Torsion Beam Type Suspension
(1) Check the rear wheel alignment Rear Wheel Alignment (for Torsion Beam Type Suspension).
NG -- Go to step 10
OK -- Continue to next step.

4. ROTATE TIRES OR REPLACE TIRE(S)
NEXT -- Continue to next step.

5. PERFORM ROAD TEST
NEXT -- RETURN VEHICLE TO CUSTOMER
6. ADJUST TIRE PRESSURE Component Tests and General Diagnostics
NEXT -- Continue to next step.

7. PERFORM ROAD TEST
NEXT -- RETURN VEHICLE TO CUSTOMER
8. ADJUST FRONT WHEEL ALIGNMENT Service and Repair
NEXT -- Continue to next step.

9. PERFORM ROAD TEST
NEXT -- RETURN VEHICLE TO CUSTOMER
10. ADJUST REAR WHEEL ALIGNMENT
(a) for Double Wishbone Type Suspension
(1) Adjust the rear wheel alignment Rear Wheel Alignment (for Double Wishbone Type Suspension).
(b) for Torsion Beam Type Suspension
(1) Adjust the rear wheel alignment Rear Wheel Alignment (for Torsion Beam Type Suspension).
NEXT -- Continue to next step.

11. PERFORM ROAD TEST
NEXT -- RETURN VEHICLE TO CUSTOMER