2011 Jeep Grand Cherokee Owner Manual - Page 439

STARTING AND OPERATING 437 Gross Axle Weight Rating (GAWR) Inflation Pressure The GAWR is the maximum permissible load on the front This is the cold tire inflation pressure for your vehicle for and rear axles. The load must be distributed in the cargo all loading conditions up to full GAWR. area so that the GAWR of each axle is not exceeded. Curb Weight Each axle's GAWR is determined by the components in The curb weight of a vehicle is defined as the total weight the system with the lowest load carrying capacity (axle, of the vehicle with all fluids, including vehicle fuel, at full springs, tires, or wheels). Heavier axles or suspension capacity conditions, and with no occupants or cargo components, sometimes specified by purchasers for in- loaded into the vehicle. The front and rear curb weight creased durability, does not necessarily increase the ve- values are determined by weighing your vehicle on a commercial scale before any occupants or cargo are hicle's GVWR. added. Tire Size The tire size on the label represents the actual tire size on Loading your vehicle. Replacement tires must be equal to the load The actual total weight and the weight of the front and rear of your vehicle at the ground can best be determined capacity of this tire size. by weighing it when it is loaded and ready for operation. Rim Size This is the rim size that is appropriate for the tire size listed. 5