'"
SERVICE AND
MAINTENANCE
5-11
changing the load you plan to carry
in
your car. Always check tire
inflation pressures when tires
are
"cold."
I.
The "cold" tire inflation pressure applies to the tire pressure when a
car
has not been driven more
than
one mile
(1.6
kilometres) after
sitting for three hours or more.
2.
It
is
normal for tire pressures
to
increase 4 to 8 pounds per square
inch
(30-60 kilopascals) or more when the tires become hot from
driving.
Do
not
"bleed"
or reduce tire inflation pressures after
driving your car. Bleeding serves to reduce
"cold" inflation pressure
and increase tire flexing, which can
result
in
tire damage and
failure.
3.
For sustained driving
at
speeds
of
75 mph to 85 mph (120
km/h
to
140
km/h),
in countries where such speeds
are
permitted by law,
cold inflation pressures must be increased 4 psi
(30 kPa) above the
stated cold inflation pressures on the
Tire
Placard up to the
maximum for each load range stated
in
the
chart
below. Sustained
speeds
of
75 mph to 85 mph (120
km/h
to 140
km/h)
are
not
advised when the 4
psi
adjustment would require pressures greater
than
.the maximum for each load range stated on the chart.
Sustained driving
at
speeds over
85
mph (140
km/h),
where
permitted
by
law, is not advised unless your
car
is
equipped with
special high speed tires available from many tire dealers.
Tire
Load
Range
8
C
D
Standard
(Metric
tires)
Extra
(Metric
tires)
Maximum
Inflation
Pressure
32
psi
(220
kPa)
36
psi
(250
kPa)
40
psi
(275
kPa)
240
kPa
(
35
psi)
280
kPa
(
41
psi)
Tire
load
range
is
stamped
on
the
tire.
(See
illustration
under
"Tire
Replacement#>
in
this·
section
'
for
location
on
tire
sidewall).
4.
For proper inflation pressures when towing trailers, see
"Trailer
Towing"
in
this manual.
5.
Always use a tire pressure gage (a pocket type gage
is
advised)
when checking inflation pressures. Visual inspection
of
tires for
inflation pressures is not enough, especially
in
the case
of
radial
tires.
Underinflatedradial
tires may look similar to correctly
inflated radial tires.
IUhe
inflation pressure on a tire quite often
is
found to be low, have your dealer correct the cause.
6.
Besure
to reinstall the tire inflation valve caps; if so equipped, to
prevent dirt and moisture from getting into the valve core which
could cause air leakage.
7.
If
an air loss occurs while driving, do not drive on the deflated tire
more than
is
needed to stop safely. Driving even a short distance on
a deflated tire can damage a tire and wheel beyond repair.
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