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Note: Some spare tires operate at a
higher inflation pressure than the
other tires. For T type mini-spare tires
(refer to the Dissimilar spare wheel
and tire assembly information for a
description): Store and maintain at 60
psi (4.15 bar). For full-size and
dissimilar spare tires (refer to the
Dissimilar spare wheel and tire
assembly information for a
description): Store and maintain at the
higher of the front and rear inflation
pressure as shown on the Tire Label.
6. Visually inspect the tires to make
sure there are no nails or other
objects embedded that could poke
a hole in the tire and cause an air
leak.
7. Check the sidewalls to make sure
there are no gouges, cuts or
bulges.
Inspecting Your Tires and Wheel
Valve Stems
Periodically inspect the tire treads for
uneven or excessive wear and remove
objects such as stones, nails or glass
that may be wedged in the tread
grooves. Check the tire and valve
stems for holes, cracks, or cuts that
may permit air leakage and repair or
replace the tire and replace the valve
stem. Inspect the tire sidewalls for
cracking, cuts, bruises and other signs
of damage or excessive wear. If
internal damage to the tire is
suspected, have the tire demounted
and inspected in case it needs to be
repaired or replaced. For your safety,
tires that are damaged or show signs
of excessive wear should not be used
because they are more likely to blow
out or fail.
Improper or inadequate vehicle
maintenance can cause tires to wear
abnormally. Inspect all your tires,
including the spare, frequently, and
replace them if one or more of the
following conditions exist:
Tire Wear
E142546
When the tread is worn down to one
sixteenth of an inch (2 mm), tires must
be replaced to help prevent your
vehicle from skidding and
hydroplaning. Built-in treadwear
indicators, or wear bars, which look
like narrow strips of smooth rubber
across the tread will appear on the tire
when the tread is worn down to one
sixteenth of an inch (2 mm)
When the tire tread wears down to the
same height as these wear bars, the
tire is worn out and must be replaced.
291
MKZ (CC9)
Wheels and Tires
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