Technician A says that a tire will increase or decrease 1 psi for each 10°F of temperature. Technician B says that if the vehicle has been driven to warm the tires, you must adjust the air pressure down to the manufacturer's recommended pressure. Who is correct?

Question

Quizplus · Accepted Answer

Technician A is correct. Tire pressure changes approximately 1 psi for every 10°F change in temperature. Technician B is incorrect because tire pressure should be checked and adjusted when the tires are cold, not after driving when they are warm.

Technician a Says That a Tire Will Increase or Decrease