Jeep 2010 Grand Cherokee SRT - Owner Manual Bedienungsanleitung PDF herunterladen (Seite 275)

Tire Inflation Pressures

The proper cold tire inflation pressure is listed on the

driver’s side “B” Pillar.

The pressure should be checked and adjusted as well as

inspecting 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 pressure always

reinstall the valve stem cap. This will prevent mois-

ture and dirt from entering the valve stem, which

could damage the valve stem.

Inflation pressures specified on the placard are always

“cold tire inflation pressure”. Cold tire inflation pressure

is defined as the tire pressure after the vehicle has not

been driven for at least three hours, or driven less than

1 mile (1.6 km) after a three hour period. The cold tire

inflation pressure must not exceed the maximum infla-

tion pressure molded into the tire side wall.

Check tire pressures more often if subject to a wide range

of outdoor temperatures, as tire pressures vary with

temperature changes.

Tire pressures change by approximately 1 psi (7 kPa) per

12°F (7°C) of air temperature change. Keep this in mind

when checking tire pressure inside a garage, especially in

the Winter.

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.

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Jeep 2010 Grand Cherokee SRT - Owner Manual Bedienungsanleitung Seite 275