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220
Wheels and Tyres
Tyre life
The life of your tyres very much depends on the following points:
Tyre inflation pressure
The working life of tyres will be shortened considerably if the tyres are
insufficiently or over-inflated and this will have an adverse effect on the
handling of your vehicle.
Check the inflation pressure of the tyres at least once a month. The tyre
inflation pressures for summer tyres are indicated on the inside of the
fuel filler flap
bar higher than those for summer tyres ⇒ page 224.
Correctly inflated tyres are of particular importance when travelling at high
speeds. It is therefore good to check the pressure at least once a month
and also before setting off on a long trip. Please do not forget the spare
wheel when checking the tyres.
Fig. 164 An opened
fuel filler flap with the
The tyre pressure should be at the highest pressure specified for your
tyre inflation pressure
vehicle at all times.
table
On cars with full wheel trim, valve extensions are fitted in place of dust
⇒ fig.
caps
order to check and alter the inflation pressure of the tyre.
Driving style
Fast cornering, sharp acceleration and braking (squealing tyres) increase
wear-and-tear on your tyres.
Balancing wheels
The wheels of a new vehicle are balanced. There are a wide range of influ-
ences when driving which may result in an imbalance and which makes
themselves felt through vibration in the steering.
Fig. 165 Wheel with
full trim and extended
You should have the wheels rebalanced since any imbalance increases
valve
wear-and-tear on the steering, the suspension and tyres. A wheel must
also be rebalanced when a new tyre is fitted and each time a tyre is
repaired.
⇒ fig.
164. The inflation pressures for winter tyres are 0.2
165. It is not necessary to unscrew the valve extensions in
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