How to Read a Tire Inflation Pressure Gauge?

1 Answers
DeAndres
07/30/25 6:59am
Tire inflation pressure gauge reading method: Align and press the measuring end slot of the pressure gauge against the tire valve stem. At this point, the pointer on the tire pressure gauge will deflect, and the indicated value is the inflation pressure of the tire. Alternatively, the gauge's indicator rod may be pushed out by the air pressure, and the value displayed on the rod is the tire's inflation pressure. The greater the internal pressure, the more the pointer deflects. Tire pressure precautions: 1. For passenger car tires, the pressure is usually between 2.0 and 2.5 bar, not exceeding 3.5 bar; 2. For light truck tires, typically 6-ply tires should be between 3.0 and 3.5 bar, 8-ply tires between 4.0 and 4.5 bar, and 10-ply tires not exceeding 5.5 bar; 3. For trailer tires, the pressure usually should not exceed 4.2 bar.
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