1. Crack or damage of the ornament holes
2. Crack or damage of welds
3. Fatigue of wheel nut contact surface
4. Crack or damage of wheel nut contact surface
5. Crack or damage of hub installation surface
Note：
・ Inspection of wheel bolt and wheel nut
Caution：
・ Clean away any rust and filth. There is a
problem with the screws if they do not turn
smoothly even when you thinly apply engine
oil, gear oil or power steering fluid to the
screws.
・ If there is an abnormality, replace the wheel
bolts and wheel nuts as a set.
・ If the wheel bolts are broken, replace all wheel
bolts and wheel nuts for that axle.
Inspect for cracks or damage.
Inspect the bolt to see if it is extended, or is significantly
rusty.
Inspect the screws for crushed sections, wear or gnawing.
1. Wheel bolt
2. Wheel mating surface, flat area
3. Wheel nut seating surface
4. Inner wheel nut
Check that the washer rotates smoothly. Replace the nut
if it does not rotate smoothly. (ISO 8/ISO 10 bolts)
1. Washer
Note：
・ Retightening and inspection of the wheel nuts
Inspect the wheel nut using a torque wrench to check
whether it is tightened at its specified torque.
Caution：
・ The tightening torque can drop because of
initial aging after the tires are replaced or
rotated. After running 50 to 100 km (31 to 62
mile), further tighten the wheel nuts at its
specified torque.
Functional Inspection (All models) 16C-23
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