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irregular . wear develops) as indi
cated in either diagram below.
Upon rotation, tire pressures must
be adjusted in accordance with the
recommendations on the tire in
flation placard.
NOTE: It is recommended that
disc brake pads be inspected for
wear whenever tires are rotated.
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-.5 WHEELS 4 WHEELS
Tire Damage and Repair-Tires
with cuts, splits or cracks deep
enough to expose the fabric,
should be removed from service.
Bulges usually indicate internal
damage , and the aire should be
removed. Tires with questionable
damage should be removed from
the wheel and examined
by an ex
pert.
H an air loss occurs while driv-
58
ing, do not attempt to drive on
the deflated tire more than
is nec
essary to stop safely. Driving even
a short distance can damage a tire
beyond repair.
Temporary repairs, such as
"blowout" patches or any repair
made from the outside of the tire
should not be made except in
emergencies.
Such "stop-gap" de
vices
as plugs and aerosol-type
sealants are good for no more than
100 miles of driving at speeds not
over
50 mph. A permanent vul
canized repair, plug or patch ap
plied from inside the tire, should
be
made as soon as possible . Also,
the installation of an inner tube
in
a damaged tubeless tire is not a
recommended repair procedure.
Replacement Tires
When replacing tires, only the
size, load range , and construction
type (bias, bias-belted, or radial)
•
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cle are recommended.
Use of any
other tire size or type tire may
seriously affect ride, handling ,
speedometer / odometer calibration
vehicle ground clearance and tire
clearance to the body and chassis.
The following also should be con
sidered when replacing tires:
• To achieve best all around ve
hicle performance, belted-bias
tires and bias tires should not
be mixed
on the same car.
• Because of possible adverse ef
fects on vehicle handling, do
not mix radial ply tires with
other type tires on the same
vehicle.
• It is recommended that new
tires be installed in pairs on the
same axle.
.. When replacing only one tire, it
should be paired with the tire having
the least wear, to equal
ize braking traction.
• When replacing original tires
with an optional recommended
size of different diameter, the
speedometer must be recali
brated by installing the correct
speedometer driven gear.
Snow Tires
If you equip your vehicle with
snow tires, they should be inflated
4 psi above the recommended
pressures shown on the tire pla
card up to a maximum of 32 psi
( cold) for load range B tires and
40 psi for load range D tires. It is
recommended that vehicle speeds
be limited to a maximum of 75
mph if snow tires are installed.
Replacement Wheels
When replacing wheels for any
reason, care should be taken to in-
59
sure that the wheels are equiva
lent to those removed in diameter,
rim width and off-set.
Warranty
Tires are warranted by the tire
manufacturers
as covered in the
New Vehicle Warranty and Policy
on Owner Service folder furnished
with your vehicle. However, for
the added convenience of owners,
many Chevrolet dealers are
equipped to handle tire warranty
adjustments
on certain makes of
tires provided
on 1973 Chevrolet
cars.
Tire Traction
A decrease in driving, corner
ing, and braking traction occurs
when water, snow, ice, gravel,
or
other material is on the road sur
face. Driving practices and car
speed should be adjusted to the
road conditions.
