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How to Check Tire Pressure

Thursday, June 14 2018 12:22 PM
By 360 Administrator
How to Check Tire Pressure

Keeping your tires properly inflated can improve your vehicle’s performance, efficiency, and safety. When your tires are inflated correctly, your vehicle rides smoother, handles quicker, gets better fuel economy, and you will get the most life out of your tires.


Items Needed to Check Tire Pressure

1. Under or Over-inflated Tire

2. Tire pressure gauge
Digital, dial, & standard stick gauges can be found at any auto parts store.

3. Air compressor
Gas stations, auto shops, or car washes commonly have public compressors available, sometimes for free.


How to Check Tire Pressure

To check your tire pressure, find your car manufacturer’s recommended PSI, then remove the valve cap and place your tire pressure gauge on the valve to find the tire’s current PSI. If you need to add air, use the compressor to fill the tire to the desired PSI. If your tire is over-inflated, release air from the tire.


1. Check the Tire’s Recommended PSI
The amount of air pressure in a tire is measured by pounds per square inch (PSI). All vehicles have a recommended PSI according to the vehicle’s load-carrying capacity which can be found in the owner’s manual. This is typically the minimum amount of air your tire should be inflated to when cold (parked for 3+ hours).

You can also find the tire’s maximum PSI in small text on the sidewall of the tire, usually near the rim. This is an important number to know so you don’t over-inflate your tire.

*Because cold air condenses and hot air expands, your tire’s pressure can drastically fluctuate if you live in areas with extreme temperatures. Take this into consideration when measuring your tire’s PSI.


2. Use a Tire Pressure Gauge to Check the Tire’s Pressure
On the tire you’re checking, remove the cap from the valve stem. Firmly place your tire pressure gauge on the valve stem until no air leaks and your gauge provides a reading. Take 2-4 measurements on the same tire to find a consistent PSI.

  • Digital Gauge - the screen will display the current PSI
  • Dial Gauge - the air pressure will move the dial to point at the current PSI
  • Standard Gauge - the air pressure will push a stick out from the bottom of the gauge with the most visible measurement representing the current PSI


3. Fill the Tire with Air
If your tire needs air, use the air compressor to add air to your tire. Repeat step 2 until the desired PSI is reached. If your tire is over-inflated, release air from your tire by pressing the small button on the inside of your tire’s valve stem until you hear air escaping (many tire pressure gauges have a notch built-in that you can use to press the small button). Be careful when releasing air from your tire - it escapes much faster than it fills.

For best results, check your tire pressure monthly or whenever you fill up the tank. This will ensure your tires stay at the recommended PSI for optimal performance, efficiency, and safety.