How to Use a Tire Pressure Gauge?
2 Answers
When using a tire pressure gauge, press the air nozzle connector firmly onto the tire valve stem to depress the valve core. The value displayed on the gauge is the tire pressure. During measurement, ensure the gauge is properly aligned with the valve stem to prevent air leakage, which could lead to inaccurate readings. Standard Tire Pressure Values: According to the international GBT2978-2008 standard, the recommended pressure for standard tires is 2.4-2.5 bar. Optimal Times for Adjusting Tire Pressure: Generally, it's advised to check tire pressure at least once a month and adjust it seasonally. The ideal times for adjustment are November and May. In November, as winter approaches, tire pressure typically decreases and may need slight adjustment. In May, as temperatures rise, it's recommended to check if the pressure is normal. Importantly, as long as the tire pressure is within the standard range, there's no need to deliberately reduce it. If the tire isn't underinflated, monthly adjustments aren't necessary.
Using a tire pressure gauge requires step-by-step steps. First, ensure the tires are cold, meaning the car has been parked for at least three hours or only driven a short distance. Remove the cap from the wheel's valve stem, gently press the tire pressure gauge onto it, and a brief hissing sound indicates it's correctly placed. The gauge's dial or screen will then display the pressure reading, such as 35 PSI or 2.4 bar. Hold it steady to read the value. Next, check the recommended pressure label on the door jamb and adjust accordingly—release some air if it's too high or add air if it's too low. Be careful not to apply too much force during the process to avoid damaging the valve. I check mine every two months; making it a habit can save fuel, reduce tire wear, and minimize safety risks. Additionally, keeping a portable air pump in the car is handy for quick adjustments.
