How temperature affects tire inflation


SIOUX FALLS, SD (KELO) – If you were to go anywhere today, you may have noticed that the tire pressure light came on this morning. There’s a good reason for this, and it doesn’t have to be an air leak.

Reading your tire’s air pressure can be a good indication of how cold it has been between our highs and lows, and it is also a great example of how air temperature affects the weather. air pressure.

When the temperature drops, the air molecules become less active and cluster together. In an enclosed space like a tire, this means a decrease in the pressure exerted on the tire itself. Typically, a tire loses 1 to 2 PSI for every 10 degrees of temperature drop. As you drive, the friction between the tire and the road will help warm this air, allowing you to regain at least some of the lost pressure. Ending any cold snap we might have will also help to some extent.

Either way, if your tire pressure warning light is on, it is highly recommended that you check it quickly. Under-inflated tires can result in poorer fuel economy, more wear on your tire, and less traction, which requires more space and downtime.

Even if your light isn’t on, it’s still a good idea to check your tire pressure before setting out as the cold winter days and nights get closer.

About Michael Bill

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