Tires 9-14 Vehicle care and maintenance
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It is important to familiarize yourself with the following terms: Cold tire pressure: • The measured pressure after the vehiclehas been parked for at least three hours, or • The measured pressure when the vehicleis driven less than 1 mile (1.6 km) after having been parked for three hours.
Maximum inflation pressure: the maxi- mum permissible cold tire inflation pres- sure for this tire.
Recommended inflation pressure: the inflation pressure for optimum tire perfor- mance. Intended outboard sidewall: • The sidewall that contains a whitewall, bears white lettering or bears manufac- turer, brand, and/or model name moldingthat is higher or deeper than the same molding on the other sidewall of the tire, or• The outward facing sidewall of an asym-metrical tire that has a particular side that must always face outward when mounted on a vehicle.
Passenger car tire: a tire intended for use on passenger cars, multipurpose passen- ger vehicles, and trucks, that have a grossvehicle weight rating (GVWR) of 10,000 pounds or less. Light truck (LT) tire: a tire designated by its manufacturer as primarily intended for use on lightweight trucks or multipurpose passenger vehicles. Tread: portion of a tire that comes into contact with the road. Tread rib: a tread section running circum- ferentially around a tire. Tread separation: pulling away of the tread from the tire carcass. Carcass: the tire structure, except tread and sidewall rubber which, when inflated, bears the load.
Sidewall: portion of a tire between the tread and bead. Section width: the linear distance between the exteriors of the sidewalls of aninflated tire, excluding elevations due to labeling, decoration, or protective bands. Bead: the part of the tire that is made of steel wires, wrapped or reinforced by ply cords and that is shaped to fit the rim. Ply: a layer of rubber-coated parallel cords. Cord: the strands forming the plies in the tire. Rim: a metal support for a tire or a tire and tube assembly upon which the tire beads are seated. Rim diameter: nominal diameter of the bead seat. Groove: the space between two adjacent tread ribs.
Tires
WA R N I N G Driving with tires that are worn, damaged or improperly inflated is dangerous. These type tire conditions will adversely affect vehicle performance.These type tire conditions can also cause a tread separation or blowout which may result in an accident causing seriousinjury or death. Tires, including spare tire, degrade over time with age even when they are not being used. It is recommended that tires over 6 years generally be replaced even ifdamage is not obvious.
BK0230300US.bo
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