Diesel Data: Automotive Repair

Initial Inspection and Diagnostic Overview





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

1. DIAGNOSIS OF TIRE VIBRATION

1. TIGHTEN WHEEL NUTS

NEXT -- Continue to next step.

2. INSPECT TIRES Component Tests and General Diagnostics

NG -- Go to step 3

OK -- Go to step 4

3. REPAIR OR REPLACE TIRE(S)

NEXT -- Continue to next step.

4. INSPECT AND/OR ADJUST WHEEL BALANCE Component Tests and General Diagnostics

NEXT -- Continue to next step.

5. INSPECT FRONT AXLE HUB BEARING LOOSENESS AND AXLE HUB RUNOUT Front Axle Hub

NG -- Go to step 6

OK -- Go to step 7

6. REPAIR FRONT AXLE HUB BEARING LOOSENESS AND AXLE HUB RUNOUT Removal

NEXT -- Continue to next step.

7. INSPECT REAR AXLE HUB BEARING LOOSENESS AND AXLE HUB RUNOUT

(a) for Torsion Beam Type Suspension Rear Axle Hub (for Torsion Beam Type Suspension)

(b) for Double Wishbone Type Suspension Rear Axle Hub (for Double Wishbone Type Suspension)

NG -- Go to step 8

OK -- Go to step 9

8. REPAIR REAR AXLE HUB BEARING LOOSENESS AND AXLE HUB RUNOUT

(a) for Torsion Beam Type Suspension Removal

(b) for Double Wishbone Type Suspension Removal

NEXT -- Continue to next step.

9. PERFORM ROAD TEST

NEXT -- Continue to next step.

10. RETURN VEHICLE TO CUSTOMER

2. DIAGNOSIS OF IRREGULAR TIRE WEAR

1. INSPECT TIRES Component Tests and General Diagnostics

NEXT -- Continue to next step.

2. REPAIR OR REPLACE TIRE(S)

NEXT -- Continue to next step.

3. INSPECT AND/OR ADJUST FRONT WHEEL ALIGNMENT Service and Repair

NEXT -- Continue to next step.

4. INSPECT AND/OR ADJUST REAR WHEEL ALIGNMENT

(a) for Torsion Beam Type Suspension Rear Wheel Alignment (for Torsion Beam Type Suspension)

(b) for Double Wishbone Type Suspension Rear Wheel Alignment (for Double Wishbone Type Suspension)

NEXT -- Continue to next step.

5. PERFORM ROAD TEST

NEXT -- Continue to next step.

6. RETURN VEHICLE TO CUSTOMER