2014 Jeep Grand Cherokee Owner Manual SRT - Page 442
2014 Jeep Grand Cherokee Manual
Page 442 highlights
440 STARTING AND OPERATING Tire Inflation Pressures The proper cold tire inflation pressure is listed on the driver's side B-Pillar or rear edge of the driver's side door. At least once a month: • Check and adjust tire pressure with a good quality pocket-type pressure gauge. Do not make a visual judgement when determining proper inflation. Tires Check tire pressures more often if subject to a wide range may look properly inflated even when they are under- of outdoor temperatures, as tire pressures vary with inflated. temperature changes. • Inspect tires for signs of tire wear or visible damage. 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 inflation pressure molded into the tire sidewall. CAUTION! After inspecting or adjusting the tire pressure, always reinstall the valve stem cap. This will prevent moisture and dirt from entering the valve stem, which could damage the valve stem. 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),
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