Wheels and Tires: Testing and Inspection
Wheel and tire systemInspection
1. Tire inspection
(1) Check the tires for wear. Replace the tires if wear exceeds service limits.
(2) Check the tire air pressure.
Cold air pressure
Temporary tire
(3) Using a dial gauge, slowly rotate the wheel to check rim "runout".
^ Aluminum wheel
^ Steel wheel
2. Tire rotation
(1) Perform tire rotation as shown in the figure.
Captions in illustration
3. Wheel balance inspection
(1) Inspect the wheel balance (off-the-car balance) and adjust as necessary.
Unbalance after inspection: 10 g {0.35 oz} or less
(2) If symptoms such as tire vibration occur even after performing off-the-car balance adjustment, perform on-the-car adjustment as necessary.
4. Axial play inspection of front axle hub bearing Front
5. Runout inspection of front axle hub bearing Front
6. Axial play inspection of rear axle hub bearing Rear
7. Runout inspection and adjustment of rear axle hub bearing Rear