Tire edge wear
Sawtooth tread wear
On the front wheels, slightly greater wear of the edge of the tire in relation to the middle of the tread is normal, and, due to the slope of the road surface, the wear of the edge of the tire pointing to the middle of the road (left wheel - outside, right wheel - inside) should be much more pronounced.
Uneven tire wear is a consequence (more often) too low or too high air pressure in the tires, improper wheel alignment or imbalance, and poor shock absorber performance.
Saw-tooth tread wear usually indicates that the vehicle is overloaded.
First of all, you need to pay attention to the prescribed tire pressure, check the tire pressure every fourth week (monthly).
Check the pressure only on cold tires. The pressure in the tires increases when driving at high speeds as a result of heating. However, it is completely wrong to release air from heated tires.
If the tire pressure is too high, the center of the tread will wear more because the tires are bulged more in the middle of the tread due to the high inflation pressure.
If the tire pressure is too low, the wheels rest more on the edges of the treads, and the middle part of the treads bends inward. This causes wear on the edges of the treads.
Incorrect wheel alignment and imbalance will result in typical tread wear patterns as indicated in the wheel fault diagnosis (see subsection 8.9).
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