The pressure of a tire will increase as it heats up, causing the hot tire pressure to be higher than the cold tire pressure. Hot tire pressure, on the other hand, refers to the air pressure in the tire when it has been driven for an extended period of time and has heated up due to friction and internal heat generated by the tire. This is usually before the vehicle has been driven for an extended period of time. Cold tire pressure refers to the air pressure in the tire when it is at or near the ambient temperature of the environment.
The main difference between cold and hot tire pressure is the temperature of the tire when it is measured. Cold vs Hot Tire Pressure: What’s the Difference? It might even be visible on the tire surface as well. The owner’s handbook and the sign (or sticker) that is attached to the vehicle’s door edge, glove box door, or gasoline filler flap typically state the recommended cold inflation pressure. This means that the tire manufacturer recommends inflating the tire to a pressure of 80 psi when the tire is cold.Ĭold inflation pressure is the tire inflation pressure before the car is driven and the tires are warmed up. “Tire 80 psi cold” refers to the recommended cold inflation pressure for a tire, which is 80 pounds per square inch (psi). Tire Says 80 psi Cold: What Does It Mean? Want to know more about this psi? Well, let’s dive into details right away then. This is the pressure that should be maintained in the tire when it has not been driven on for several hours. “Tire says 80 psi cold” means that the recommended tire pressure for the specific tire is 80 pounds per square inch (psi) when the tire is cold. Now while cleaning the car tires you may have come across some specifications on your tire like 80 or 90 psi. So our primary focus is always to keep them clean and in good condition. We all want our cars to stay in the best possible shape.
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