What pressure should I keep my tires at service FAQ in Seattle, WA
Subaru tire pressure service FAQ

Carter Subaru Ballard Car Care FAQs: How do I Keep My Tires Properly Inflated?

Get answers about tire pressure questions for your Subaru

Think that slightly sagging tire on your vehicle is no big deal? The experts at Carter Subaru Ballard urge you to think again. Did you know that 11,000 tire-related accidents occur every single year in the U.S. according to the National Highway Traffic Safety Administration? Keeping your tires properly inflated isn't just important - it's downright crucial to your safety. We've compiled some important information below on how to keep your tires properly inflated. It starts by checking your owner's manual for the pressure recommendation provided by the manufacturer. You can also find this information either behind the gas door or in the driver's door jamb.

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What Should I Know About Tire Pressure Fluctuations?

Don't inflate your tires to the PSI indicated on the sidewall of the tire itself. That number refers to the maximum pressure the tire can withstand under load. The pressure level the manufacturer recommends is likely to be far lower.

Tires lose about 1 PSI of pressure per month due to normal air leaching. As temperatures change, the pressure in your tires can also change. For every 10 degrees the ambient air temperature goes up, the pressure in your tires goes up about 1 PSI; the inverse is also true when temperatures fall.

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All these normal fluctuations are unavoidable. It just means that, once per month, it's a good idea to check your tire pressure and add air or let some out as necessary.

What are the Risks of Driving on Poorly Inflated Tires?

Driving with over-inflated tires reduces the size of their "contact patch" - the amount of your tire that actually touches the road. This negatively impacts handling and stopping distance. What's more, an over-inflated tire is more likely to burst during an impact with a pothole or other road irregularities.

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Driving with underinflated tires is even worse. Without enough air in the tire to support the weight of the vehicle, the sidewalls experience excessive stress. As you drive, the sidewalls heat up excessively, becoming weak and prone to blowout. They'll also wear down rapidly, which means you'll have to fork out for another set earlier than would be otherwise necessary.

Keeping your tires inflated properly is easy! Many gas stations provide complimentary air pumps and most modern cars monitor their own tire pressure. If you have any questions or need more assistance keeping your tires correctly inflated, visit your local Subaru dealer.

In Seattle and serving Kirkland, Carter Subaru Ballard is always available for superior service and OEM Subaru parts.

Carter Subaru Ballard

5201 Leary Ave NW
Directions Seattle, WA 98107

  • Sales: (206) 782-7475
  • Service: (877) 835-5240
  • Parts: (877) 884-0162



  1. Carter Subaru Ballard

    5201 Leary Ave NW
    Seattle, WA 98107

    • Sales: (888) 843-2701