DETERMINING THE AGE OF A TIRE
The manufacturing date of a tire is incorporated into an 11 digit code, called a TIN (Tire Identification Number) located down by the bead of the tire. The last four numbers of the TIN represent the week and year of manufacture. In the Example below, this tire was produced the 35th week of 2017.
EXAMPLE: CY1JM5FJ3517 (3517 = date code)
THE SERVICE LIFE OF YOUR D/C TIRES IS NOT ENTIRELY DICTATED BY CHRONOLOGICAL AGE.
All Dick Cepek "D/C" tires are designed with conscience efforts to maximize tire life with maximum performance. That being said, the useful life of a tire is a function of its use, application, and storage conditions. Since these elements can vary widely, and are not controlled by the manufacturer, accurately predicting the life of any specific tire based on calendar age is near impossible.
However, with that understanding Dick Cepek does recognize the benefit of a uniform approach regarding the service life issue. Accordingly, D/C has come up with the following age criteria for removing tires from service. These dates are based from the manufacturing date.
- Radial Light Truck Tires – 10 years
- Passenger Tires – 10 years
Tires can be removed for several reasons, such as:
- Tread worn down to the minimum depth
- Signs of damage (cuts, cracks, punctures, impact damage, etc)
- Abuse (Long sustained burnouts, overload/under-inflation, improper repair etc)
- Weather checking
- Performance levels falling off.
- Proper inflation pressure and rim widths. This will help evenly distribute the load across the contact patch and even out wear.
- Inspect the tires for damage such as cuts, leaking valve stems, or punctures.
- If the vehicle is not frequently used, keep the tires out of direct sunlight.
- Proper balance and alignment.