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Consumer information and Reporting safety defects / Tire information
. Cord separation The parting of cords from adjacent rubber compounds .
. Cracking Any parting within the tread , sidewall , or inner liner of the tire extending to cord material .
. Curb weight The weight of a motor vehicle with standard equipment including the maximum capacity of fuel , oil and coolant , and if so equipped , air conditioning and additional weight optional engine .
. Extra load tire A tire designed to operate at higher loads and higher inflation pressure than the corresponding standard tire .
. Groove The space between two adjacent tread ribs .
. Innerliner The layer ( s ) forming the inside surface of a tubeless tire that contains the inflating medium within the tire .
. Innerliner separation The parting of the innerliner from cord material in the carcass .
. Intended outboard sidewall ( 1 ) The sidewall that contains a whitewall , bears white lettering or bears manufacturer , brand , and / or model name molding that is higher or deeper than the same molding on the other sidewall of the tire , or
( 2 ) The outward facing sidewall of an asymmetrical tire that has a particular side that must always face outward when mounting on a vehicle .
. Light truck ( LT ) tire
A tire designated by its manufacturer as primarily intended for use on lightweight trucks or multipurpose passenger vehicles .
. Load rating The maximum load that a tire is rated to carry for a given inflation pressure .
. Maximum inflation pressure The maximum cold inflation pressure to which a tire may be inflated .
. Maximum load rating The load rating for a tire at the maximum permissible inflation pressure for that tire .
. Maximum loaded vehicle weight The sum of :
( a ) Curb weight ( b ) Accessory weight ( c ) Vehicle capacity weight ( d ) Production options weight
. Maximum permissible inflation pressure
The maximum cold inflation pressure to which a tire may be inflated .
. Measuring rim The rim on which a tire is fitted for physical dimension requirements .
. Normal occupant weight 150 lbs ( 68 kg ) times the number of occupants specified in the second column of Table 1 that is appended to the end of this section .
. Occupant distribution Distribution of occupants in a vehicle as specified in the third column of Table 1 that is appended to the