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    Question ID:   6285         Current Version: 1
Question: Do tires expire?
Category: Automotive & Transportation > Maintenance & Repairs
Keywords: aging, expire, expiration, fresh, car, vehicle, tire
Type: other
Rating:(0 ratings)    Views: 793    Discussions: 0   In Watch Lists: 1  

 
    Answer:

The answer is yes. The structural integrity of a tire can degrade over an extended period of time. When that occurs, tires are more prone to catastrophic failure, which could, at best, cause an inconvenience, or, at worst, lead to a crash. The degradation of a tire occurs over time, mostly the result of a chemical reaction within the rubber components. That aging process can be accelerated by heat and sunlight.

The effects of aging may not be visibly detectable. Since there is no standard test to assess the serviceability of a tire, even an inspection performed by an expert may not always reveal the extent of tire deterioration. Vehicle owners are therefore encouraged to have their tires checked after five years of use, then annually thereafter. 

While tire life will ultimately depend on the tires' service conditions and the environment in which they operate, there are some general guidelines. Some vehicle manufacturers recommend that tires be replaced every six years regardless of use. In addition, a number of tire manufacturers cite 10 years as the maximum service life for tires. Check the owner's manual for specific recommendations for your vehicle. Remember, it is always wise to err on the side of caution if you suspect your vehicle has tires that are over six years of age. 

Do not always believe the new tires you purchased are "fresh". It is possible that the tires you bought could be 6 or 12 years old. Pay attention to the manufacturing date of the tires when you buy new ones. The following video should alert you about the importance of "freshness" of new tires:

abcnews.go.com/video/playerIndex?id=4826897 

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