It's important to keep in mind that the life of an RV tire cannot be measured by miles alone, nor can you always rely on tires that "look good."
Given the stop-and-go nature of many RVers, RVs often sit for extended periods of time in-between use. When they are in use, they are often subjected to heavy loads during extreme weather conditions such as high heat. Both situations can lead to tire damage and failure, which can quickly put a damper on any trip — or turn into a dangerous situation. The primary reasons for RV tire deterioration include the following:
Over time, RV tires are exposed to a great deal of UV rays and ozone poisoning. This can lead to cracks in the rubber, especially in a tire's sidewall. Though a tire's exterior may look just fine at first glance, further inspection may reveal small cracks on and within aging sidewalls that worsen with time.
Under- and over-inflation can both lead to blowouts. To help prevent this, check the inflation pressure or your tires at least once a month, and always before starting a trip. Do this when tires are cold, as heat generated during driving temporarily increases air pressure. Never remove air from a hot tire, which may result in under-inflation when the tire cools.
Tires frequently subjected to maximum loads will wear faster, while tires that carry loads below their rated capacity can be expected to last longer. Be sure to load your RV evenly. Uneven load distribution leads to uneven tire wear.
Tires of different constructions, such as radial and bias ply, as well as different sizes and stages of wear, can harm vehicle handling and stability.
Use the same size and type of tire on all wheel positions. All RVs built since 1972 have a certification label that contains the following important information:
The most important thing you can do to extend the life of your tires is to inspect them regularly. The following tips will also help:
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