User Manual - Page 502

For 2019 Wrangler.

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500 SERVICING AND MAINTENANCE
Example: If garage temperature = 68°F (20°C) and the outside
temperature = 32°F (0°C) then the cold tire inflation pressure should
be increased by 3 psi (21 kPa), which equals 1 psi (7 kPa) for every
12°F (7°C) for this outside temperature condition.
Tire pressure may increase from 2 to 6 psi (13 to 40 kPa)
during o
peration. DO NOT reduce this normal pressure
build up or your tire pressure will be too low.
Tire Pressures For High Speed Operation
The manufacturer advocates driving at safe speeds and
within p
osted speed limits. Where speed limits or conditions
are such that the vehicle can be driven at high speeds, main
-
taining correct tire inflation pressure is very important.
Increas
ed tire pressure and reduced vehicle loading may be
required for high-speed vehicle operation. Refer to an autho
-
rized tire dealer or original equipment vehicle dealer for
recomme
nded safe operating speeds, loading and cold tire
inflation pressures.
Radial Ply Tires
Tire Repair
If your tire becomes damaged, it may be repaired if it meets
the fol
lowing criteria:
The tire has not been driven on when flat.
The da
mage is only on the tread section of your tire (side-
wall da
mage is not repairable).
T
he puncture is no greater than a ¼ of an inch (6 mm).
Co
nsult an authorized tire dealer for tire repairs and addi-
tional information.
Damaged Run Flat tires, or Run Flat tires that have experi-
enced a loss of pressure should be replaced immediately
wi
th ano
ther Run Flat tire of identical size and service
description (Load Index and Speed Symbol). Replace the tire
pressure sensor as well as it is not designed to be reused.
WARNING!
High speed driving with your vehicle under maximum
load is
dangerous. The added strain on your tires could
cause them to fail. You could have a serious collision. Do
not drive a vehicle loaded to the maximum capacity at
continuous speeds above 75
mph (120 km/h).
WARNING!
Combining radial ply tires with other types of tires on
your vehic
le will cause your vehicle to handle poorly.
The instability could cause a collision. Always use radial
ply tires in sets of four. Never combine them with other
types of tires.
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