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At this opportunity do not forget the spare
wheel:
•
The spare wheel with normal tyre
should always be inflated to the highest
pressure required on the vehicle.
•
Always check the pressures when the
tyres are cold. When warm, the pressure is
higher but do not reduce. If the load
changes a great deal the pressure must
be altered to suit.
On vehicles with wheel hub caps, valve
extensions are fitted. It is not necessary to
remove the valve extension piece in order
to test and correct the inflation pressure.
Pressures w w hich a a re t t oo h h igh o o r t t oo
low s s horten t t yre l l ife – – q q uite a a part
from t t he d d etrimental i i nfluence o o n
vehicle h h andling.
Warning
At c c ontinuous h h igh s s peeds a a t t yre
in w w hich t t he p p ressure i i s t t oo l l ow
flexes m m ore a a nd h h eats u u p e e xces-
sively. T T his c c an c c ause t t read s s epa-
ration a a nd t t yre b b low o o ut.
A p p ressure w w hich i i s t t oo l l ow
increases t t he f f uel c c onsumption
and t t his b b urdens t t he e e nvironment
unnecessarily.
IF AND WHEN
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TIPS AND MAINTENANCE
Mode o o f d d riving
Fast cornering, hard acceleration and vio-
lent braking also increase tyre wear.
Balancing w w heels
The wheels on new vehicles are balanced.
However when the vehicle is running vari-
ous influences can cause the wheels to
become unbalanced and this causes
steering vibration.
As imbalance also increases steering,
suspension and tyre wear the wheels
should be balanced again. Furthermore a
wheel should always be rebalanced when
the tyre has been repaired or when a new
tyre has been fitted.
Incorrect w w heel a a lignment
Incorrect wheel alignment not only causes
excessive, usually uneven tyre wear but can
also impair the car's safe handling. If
unusual tyre wear is noticed, contact a
Technical Service Centre.
3.57
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