Wheels And Tyres; Tyre Pressure - Alfa Romeo 147 Owner's Manual

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WHEELS AND TYRES

TYRE PRESSURE

Check the tyre pressure of every wheel, in-
cluding the spare, every two weeks and be-
fore a long journey.
The pressure should be checked with the
tyre rested and cold.
It is normal for the pressure to increase
when the car is in use. For the correct tyre
inflation pressure, see "Wheels" in "Tech-
nical specifications" section.
WARNING
Remember that car road
holding also depends on
correct tyre inflation pressure.
Incorrect pressure causes abnormal tyre
wear (fig. 16):
A - Normal pressure; tread evenly worn.
B - Low pressure: tread particularly worn
at edges.
C - High pressure: tread particularly worn
in the centre.
WARNING
Excessively low pressure
causes overheating of tyre
with the possibility of serious dam-
age to it.
Tyres should be changed when the tread
thickness is reduced to 1.6 mm. In any case
follow local regulations.
fig. 16
WARNINGS
Where possible, avoid sudden braking, tyre
squealing starts, etc.
Particularly avoid violent bumps against
kerbs, potholes or obstacles of various kinds.
Prolonged driving on rough roads may dam-
age the tyres. Routinely check the tyres for
cuts on the sides, swelllings or uneven tread
wear. If necessary contact Alfa Romeo Au-
thorised Serrvices.
Avoid overloading the car when travelling:
this may cause serious damage to the
wheels and tyres.
If a tyre is punctured, stop immediately
and change it to avoid damage to the tyre
itself, the rim, suspensions and steering sys-
tem. Tyres age even if they are not used
much. Cracks in the tread rubber are a sign
of aging. In any case, if the tyres have been
on the car for 6 years, they should be
checked by specialised personnel, to see if
A0A0225m
they can still be used. Also remember to
check the compact spare wheel.
In the case of replacement, always fit new
tyres, avoiding those of dubious origin.
251

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