(C) Tire Identification Number (TIN): The TireIdentification Number (TIN). The TIN shows themanufacturer and plant code, tire size, and date thetire was manufactured. The TIN is molded onto bothsides of the tire, although only one side may havethe date of manufacture.(D) Maximum Cold Inflation Load Limit:Maximum load that can be carried and themaximum pressure needed to support that load.See Inflation - Tire Pressure on page 5-57and Loading the Vehicle on page 4-19.(E) Tire Inflation: The temporary use tire orcompact spare tire should be inflated to 60 psi(420 kPa). For more information on tire pressureand inflation see Inflation - Tire Pressure onpage 5-57 and Spare Tire on page 5-85.(F) Tire Size: A combination of letters andnumbers define a tire’s width, height, aspectratio, construction type and service description.The letter T as the first character in the tire sizemeans the tire is for temporary use only.(G) TPC Spec (Tire Performance CriteriaSpecification): Original equipment tires designedto GM’s specific tire performance criteria have aTPC specification code molded onto the sidewall.GM’s TPC specifications meet or exceed all federalsafety guidelines.(A) Tire Size: The tire size code is a combinationof letters and numbers used to define a particulartire’s width, height, aspect ratio, constructiontype and service description. See the “Tire Size”illustration later in this section for more detail.Light Truck Tire Example5-51
