Rick's Free Auto Repair Advice

Posts Tagged: Tire pressure

Correct tire pressure for larger tires

The correct tire pressure for larger tires The correct tire pressure for larger tires is often the same as the tire pressure listed on the driver’s door decal UNLESS the new tires have a different load rating. The size of a tire doesn’t determine the amount of PSI it needs. Instead, it’s the weight of the vehicle and how much weight each tire can carry that determines how much PSI is needed. In other words, a bigger tire will have more air volume, but it doesn’t necessarily need more air … Read More

Recommended Tire pressure versus maximum tire pressure

Learn the recommended tire pressure for your vehicle The recommended tire pressure is NOT the same as maximum tire pressure. Every car maker installs a label either on the bottom edge of the driver’s door or the driver’s side pillar. It shows the recommended tire pressure for your vehicle. The recommended tire pressure is based on the weight of your vehicle and the load rating of the tires. The recommended tire pressure is shown on a label in the driver’s door area. If you change to a different size tire … Read More

TIre pressure light on when temperature drops

Tire pressure light on in cold weather — How to turn off the light There is a direct relationship between outside temperature and tire pressure. As a general rule, tire pressure changes 1-psi for every 10° change drop in outside temperature. So if outside air temperature decreases 30° from your last tire pressure adjustment, expect tire pressure to drop about 3 psi. However, the change is not linear. In extremely cold weather, the rate of pressure drop can be greater than 1-psi for every 10°F change in outside temperature. So, … Read More


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