Tires - General Information; Tire Pressure; Tire Inflation Pressures - Jeep 2013 Wrangler Owner's Manual

TIRES — GENERAL
INFORMATION

Tire Pressure

Proper tire inflation pressure is essential to the
safe and satisfactory operation of your vehicle.
Three primary areas are affected by improper
tire pressure:
Safety
WARNING!
• Improperly inflated tires are dangerous
and can cause collisions.
• Under-inflation increases tire flexing and
can result in over-heating and tire failure.
• Over-inflation reduces a tire's ability to
cushion shock. Objects on the road and
chuckholes can cause damage that result
in tire failure.
• Over-inflated or under-inflated tires can
affect vehicle handling and can fail sud-
denly, resulting in loss of vehicle control.
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WARNING! (Continued)
• Unequal tire pressures can cause steering
problems. You could lose control of your
vehicle.
• Unequal tire pressures from one side of
the vehicle to the other can cause the
vehicle to drift to the right or left.
• Always drive with each tire inflated to the
recommended cold tire inflation pressure.
Economy
Improper inflation pressures can cause uneven
wear patterns to develop across the tire tread.
These abnormal wear patterns will reduce tread
life resulting in a need for earlier tire replace-
ment. Under-inflation also increases tire rolling
resistance resulting in higher fuel consumption.
Ride Comfort And Vehicle Stability
Proper tire inflation contributes to a comfortable
ride. Over-inflation produces a jarring and un-
comfortable ride. Both under-inflation and over-
inflation affect the stability of the vehicle and
can produce a feeling of sluggish response or
over responsiveness in the steering.
(Continued)
Unequal tire pressures can cause erratic and
unpredictable steering response.
Unequal tire pressure from side to side may
cause the vehicle to drift left or right.

Tire Inflation Pressures

Tire pressure should be checked and adjusted
as well as inspected for signs of tire wear or
visible damage, at least once a month. Use a
good quality pocket-type gauge to check tire
pressure. Do not make a visual judgement
when determining proper inflation. Radial tires
may look properly inflated even when they are
under-inflated.
CAUTION!
After inspecting or adjusting the tire pres-
sure, always reinstall the valve stem cap.
This will prevent moisture and dirt from en-
tering the valve stem, which could damage
the Tire Pressure Monitoring Sensor.
Inflation pressures specified on the placard are
always "cold tire inflation pressure." Cold tire
inflation pressure is defined as the tire pressure