Tire Myth: Maximum Pressure

Posted April 22, 2016

It’s easy to find hundreds of tips, tricks, and “life hacks” to save money, but how do you weed out the best practices from the myths that can do more harm than good?

Improve fuel efficiency with proper tire pressure and preventative maintenance from Book's Automotive Service independent auto shop in AuroraOne common tip for improving the fuel efficiency of your vehicle is by filling the tires to the maximum pressure listed on the tire.

The theory behind it makes sense. Flat or under-inflated tires mean that you have more surface area of the tire in contact with the roads as you drive. More surface area means more resistance to the road, which means you’ll use more gasoline for every mile you drive.

If under-inflated tires are bad, then you should fill your tires to the maximum, right?

Not necessarily. Overfilled tires can be just as problematic for your vehicle. When your tires are filled to the maximum limit, they have the least amount of surface area touching the road. But too much air leaves you at a higher risk for other problems, including suspension and steering issues, loss of control, and blow outs on the road.

What is the best tire pressure for your vehicle? The answer is usually NOT the maximum pressure listed on the tire wall itself.

Instead, check your owner’s manual from your vehicle manufacturer. The manufacturer will include other factors like the handling of your vehicle, the design of the tire, and the safety of your vehicle to determine the best inflation and tire pressure for your vehicle’s tires. You may be able to find this number listed on the door of your vehicle or in the owner’s manual itself.

If you’re not sure what the optimal tire pressure is for your vehicle, call our team! The ASE-Certified technicians at Book’s Automotive Service are here to help you take the best care of your vehicle. Our team will find the answer for you so you can check your tire pressure at home, or stop by our independent auto shop at 111 N. Santa Fe Ave in Fountain and our technicians will check and fill your tires for you.

When it comes to your vehicle, the best way to save money is by keeping up with preventative maintenance and improving fuel efficiency. But not all advice is good advice. Before you put your family at risk by overfilling your tires, call our team for advice: 719.382.5691.

Categories: Auto Repair

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