I occasionally run into folks who say "I check the air in my tires every morning and at every fuel stop so I don't need a TPMS." I might then ask if they have an oil pressure gauge or warning light on their dash. After all, they can check the engine oil every morning and at each fuel stop. How about an engine temperature gauge? Same follow-up about checking the water in the radiator.
I have written more than 30 times about tire failure and the real causes. IMO almost all tire failures in RV application can be traced to one of three causes:
1. Tread Separation -- Which is a condition where the belts and tread separate from the body of the tire. This takes months and thousands of miles to develop and grow to the point of coming apart. This condition can many times be discovered with good tire inspection effort and practice by the RV owner.
2. Run Low Flex Failure or more commonly called a sidewall blowout. This failure can develop in only a few miles and much less than an hour, so the loss of air is seldom discovered when the RV owner does a walk-around visual inspection or even daily check of inflation of the tires. This condition can be prevented with the use and proper set-up of a TPMS.
3. Impact Break can occur when a tire is run over a curb, across a large pothole or even just hitting some road trash. While a TPMS cannot prevent the break, there is a good chance that as soon as air loss occurs, the TPMS would inform the RV owner so he can pull over sooner rather than later and not have to depend on some passing motorist to flag him down by pointing to the disintegrating tire. This may reduce the damage to the RV and save some money.
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