Checking tire pressure (Vesta 2180)

The air pressure in a car tire is not constant. When the ambient temperature rises, the tire pressure increases, and when it falls, it decreases. With small fluctuations in ambient temperature, the tire pressure changes insignificantly. The tire pressure also increases when the vehicle is moving at high speed and making frequent maneuvers. In winter, this is practically unnoticeable: cold air and low road surface temperatures do not allow the tire to heat up. In summer, the oncoming flow of warm air does not cool the tire well and its temperature rises. Additional heating of the tire also occurs from the road surface heated by the sun's rays. All this can increase the tire pressure by 20-30 kPa (0.2-0.3 bar).

Table 2.1. Tire pressure

Name	Front wheels	Rear wheels
Tire pressure at partial load, kPa (bar)	210 (2,1)	210 (2,1)
Air pressure in tires at full load, kPa (bar)	200 (2,0)	220 (2,2)

Warning! The tire pressure is measured only when its temperature is equal to the ambient air temperature.

To check the tire pressure, you need to unscrew the protective cap of the valve...



...press the pressure gauge foot firmly against the end of the nipple and hold it in this position for 1-2 seconds, then disconnect the pressure gauge from the nipple.





Then you should return the pressure gauge arrow to zero by pressing the button and repeat the test.

If the tire pressure is higher than normal, it is necessary to release the air by pressing the valve shaft with a special pin on the pressure gauge body or with the blade of a thin screwdriver.



If the tire pressure is lower than required, it must be brought up to the norm. When pumping, monitor the pressure using the pump or compressor pressure gauge.



Data obtained from the website (Ladaman.ru)

Warning! When inflating, the pressure gauge shows the pressure in the air supply hose, not in the tire. To determine the true pressure in the tire, it is necessary to interrupt the inflation process.

If the wheel has to be pumped up more often than once a week, then a flat tire, damage to the disk or valve is very likely. To find out the cause and eliminate it, it is better to contact a tire repair shop.