Trailer Tires Going Flat? Catch a Problem Before it Happens.

Monday, May 14, 2012 by Alex Mouroulis

The most common complaint I receive with any brand of trailer tire is when a customer gets a flat. One of the main reasons a tire fails is because proper inflation pressure was not maintained. Since many drivers do not use their trailer every day, I'd venture to say that the tire pressure isn't checked as often.


On average, a tire's inflation pressure will change by 1 psi for each month that passes, as well as, for every 10ºF change in ambient temperature. Remember, you can't set tire pressure and then forget about it. It has to be checked periodically to assure that the influences of time, changes in temperature or a small tread puncture haven't caused it to change. As discussed earlier, many trailers are left in one location for longer periods of time, and it's important to note that when the trailer is parked in the sun, the sun's radiant heat will artificially and temporarily increase tire pressures.

We don't always have the time or inclination to check tire pressures before we begin hauling, though we should make time. A great solution for real-time monitoring of four tires is Dill's High-pressure Retro-fit Trailer Tire Pressure Monitor. This system allows you to keep track of your trailer tires' pressure and temperature from within your vehicle. You can see a potential failure coming by rising temperatures and lowering pressures.

For more information on the effect the sun can have on your trailer's tires, read "Air Pressure, Temperature Fluctuations."

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