Volkswagen Golf Service & Repair Manual: Flat spots caused by hard braking
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This type of flat spots may be caused by hard braking on a
rough surface such as a tarmac road. |
| During this type of braking manoeuvre only a certain area of
the tyre is abraded accordingly and therefore causes an
imbalance. |
| Consequently, a flat spot caused by hard braking results in
vibration in the vehicle, deteriorated vehicle handling and
increased noise. |
| In most cases, a wheel with this kind of tyre tends to lock
again in the area with the larger contact surface between road
and tyre even at lower braking forces and therefore cause even
higher vibration. |
| If the flat spot caused by hard braking is not too
significant, the vibrations may stop after the tyre has been
worn all-round accordingly. |
Caution
| “Significant” flat spots caused by hard braking
cannot be repaired. Such tyres must be renewed. |
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Undulations
Swellings in the tyre sidewall