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Tyre wear is one of the causes of vibration when
the vehicle is running. Tyre wear caused by driv-
ing is not evenly distributed on the surface of the
whole pattern, which may make the original
well-balanced tyre produce a mild imbalance, re-
sulting in the uneven running of the tyre.
The driver may not be aware of this actual mild
tyre imbalance through the steering wheel,
which further increases tyre wear and reduces
tyre life.
It is recommended to balance the tyre at least
twice during the life of the tyre in order to ensure
safety and ensure smooth operation and uniform
wear throughout the life of the tyre.
Radial runout and lateral runout of tyres
Tyre and wheel rim concentric deviation that may
produce radial runout and lateral runout.
For technical reasons, the tyre and the rim can-
not be perfectly concentric.
Tyre identification number
Please refer to
at the start of the chapter on page 184.
Fig. 148 International tyre lettering
If the deviation of the relative position of the tyre
and the rim is too large, it may cause the unbal-
ance of the tyre to exceed the allowable value.
WARNING
If you notice unusual vibration, or if the vehicle
pulls to one side when driving, indicates that a
tyre is damaged.
● Slow down immediately and stop the vehicle
as soon as it is safe to do so.
● Check the tyres and rims for damage.
● Never drive with damaged tyres or tyres. Do
not drive on. Seek expert assistance!
● If damage cannot be identified from the ex-
terior, drive slowly and cautiously to the next
correspondingly qualified workshop in order
to have the vehicle checked. Volkswagen
recommends using a Volkswagen dealership.
Wheels and tyres
191
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