What are the new requirements for tires in annual inspections?
3 Answers
2021 annual inspection requirements for tires include checking the tread depth during the inspection. Below is an introduction to the latest 2021 annual inspection regulations: 1. Cancelled items: Power performance test, interior noise test, electronic parking brake test, headlight deviation test, suspension test, and speedometer error test. Among these, the exhaust emission test was basically done by the inspector flooring the accelerator. However, starting next year, the vehicle power test will be replaced with an OBD test, which is more convenient and less harmful to the vehicle. Tests like the suspension test and speedometer error test have been cancelled because, with industrial progress and improved vehicle quality, these tests are no longer deemed necessary. 2. Newly added items: Tire tread depth test, vehicle wheelbase test, and vehicle lifting device. The tire tread depth test has a relatively significant impact on car owners, as many do not develop the habit of regularly changing tires and continue to use aged tires, which reduces the friction between the tires and the road, increasing the risk of skidding and other dangerous situations.
As a seasoned driver with over a decade of experience, I'm very familiar with the new tire requirements during annual inspections. Nowadays, inspectors are stricter: the tread depth must be at least 1.6mm—just measure it with a ruler to see if it passes; the tire sidewalls must not have any cracks or bulges, especially on aged tires, which are immediately rejected; and the tire pressure must match the recommended value on the vehicle's label—too high or too low, and it might be flagged. I've also noticed they pay more attention to whether the overall wear is even—if it's uneven, it could indicate suspension issues that need adjustment. These new rules are all aimed at reducing the risk of high-speed blowouts. A little maintenance tip: avoid using strong acidic cleaners on the tire surface when washing your car, and park in shaded areas to prevent premature rubber aging. Safe driving relies on good tires—don't wait until the inspection to rush a replacement.
Hi, as a car modification enthusiast, I find the new tire inspection regulations for annual vehicle checks quite intricate. The key points are that the tread depth must be at least 1.6mm, and inspections are now more precise, even checking for uneven tread wear strictly; the tire age is also limited, with DOT codes over five years old recommended for replacement; tire pressure must be accurate to the standard value, and inspection stations will verify it carefully with equipment. Other aspects: cuts or bubbles on the sidewalls will result in immediate failure, and the spare tire must also comply with the rules, or the entire annual inspection will fail. I suggest paying more attention to tire conditions in daily life, such as checking tire pressure stability before driving in the rain or clearing small stones from the tread before highway driving. These small habits can help you pass the annual inspection with ease.
