| The diagonal wear is produced at an angle of 45 ° to the tyre circumference. |
| Usually it appears at one point, but sometimes may appear at various points along the perimeter. |
| Such erosion wear occurs almost exclusively on the tyres on the non-driven wheels, in particular at the rear left. Some vehicle models are subject to frequent wear while others rarely have a problem. The effect is worsened with high toe-in values. Values below the lower tolerance limit improve the wear. |
| The most serious diagonal wear is often found at the joint of the tyre components. |
| The wheel which turns under toe-in also does so when travelling in a straight line to one side. This leads to diagonal deformation in the contact zone between the tyre and the road surface. |
| Wear is increased by driving with low tyre pressures. To prevent wear of this type, the toe-in values of both rear wheels should be equal and the specified tyre pressures should be maintained. |
| Interchange the wheels on the driveshaft when wear begins, as long as they are in good condition. Deep wear cannot be repaired. |
| In the event of complaint of „diagonal wear“ check the wheel alignment. If this is correct, the cause of diagonal wear most probably lies in the tyres. |
| Tyres with diagonal wear as a result of incorrect wheel alignment are not covered by the guarantee. |
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