Directions Using a gas station air compressor means your tires might be hot. If it is necessary to adjust inflation pressure when tires are hot, set their pressure to 4 psi (14 kPa) above the recommended cold inflation pressure. In warm weather, a tire can lose one or two pounds of air per month. During the summer months, using the tire manufacturers' recommended optimal pressure levels is ideal. Download this FREE printable cheat sheetto ensure your tires are safe and ready for your next bigroad trip. We'll take it from there. As tires get older, they start to leak air more easily which means they need to be inflated more often. Driving on low tire pressure is never ideal. Releasing air out of tires is advisable if the pressure is too much. Michael is the brains of the outfit and uses his background in science to ensure the data and information your read is perfect. Charles gas law explains the relationship between gas volume and temperature. However, as the temperature rises, the light sometimes goes off. When inflating the tires when hot, the ideal pressure is 36 to 41 PSI for standard passenger vehicles, with a cold tire pressure of 32 to 35 PSI. Once youve got a suitable pressure gauge:Remove the valve dust cap from the tyre valve and place the pressure gauge onto the tyre valve stemPress down the gauge evenly on the valve stem to ensure you get an accurate readingCheck the reading on the pressure gauge to determine if youll need to deflate or inflate your tyresMore items How much does tire pressure increase when hot? This number is determined by your vehicle's manufacturer, and it's how you can tell if your tires are properly inflated. WebBelow is the average recommended PSI based on vehicle type: Motorcycles: 28 to 40 PSI. Ignoring this warning can cause undue wear on the tire and even a blowout, which could be dangerous to you and other drivers on the road. Recheck the inflation pressure when the tires are cold. Prepare for snowy and icy conditions by assembling your winter car emergency kit with this guide. It is best to check your tire pressure when the tires are cold. Thanks for reading! As seasons change and temperatures fluctuate, you'll likely experience varying levels of PSI. If youre not sure, try our recommended tire pressure tool. Reduce Your Car Insurance by Comparing Rates. If you dont have a tire gauge, most tire service centers will check your tire pressure for free. Air volume in tire increase when temperatures are high due to molecular activity. Back to hot tire pressure, you must adjust the pressure levels accordingly when the temperatures are high. Underinflation leads to a rough driving experience, tire damage and poor fuel economy, while overinflation hastens tire wear. TPMS Sensor 101: What is It & How it Works? You don't have any recent searches. The sensor warning means that your tire is under-inflated or overinflated. Its incredibly important to the performance and makeup of a tire but its also something a lot of people struggle to understand.