
Tire yellow dot must be aligned with the valve position, aligning the yellow dot is to achieve the best tire balance effect, so it is very important. The yellow dot on the tire is a light point mark, which means this is the lightest part of the tire. Since the car wheel is composed of the tire, rim, and valve, and the valve is the heaviest part of the tire, the complementary effect of these two points helps achieve tire balance. The following is an introduction about tires: 1. Tire specifications: Tire specifications are the marked data indicating tire parameters and performance. Tire specifications are generally a set of numbers, where the first number represents the tire section width, and the following number represents the rim diameter, both in inches. The letters or symbols in the middle have special meanings: "x" indicates high-pressure tires; "R" and "Z" indicate radial tires; "-" indicates low-pressure tires. 2. Tire rolling direction: The tread pattern on the tire is particularly crucial for drainage and anti-skid performance during driving. Therefore, off-road vehicle tires with asymmetric tread patterns often use arrow marks to indicate the assembly rolling direction to ensure the designed adhesion, anti-skid, and other performance. 3. Tire production batch number: A set of numbers and letters is used to indicate the manufacturing date and quantity of the tire. For example, "98N08B5820" means the 5820th tire produced in group B in August 1998. The production batch number is used to identify the age and storage time of the tire.

The yellow dot on the tire marks the lightest point of the tire, while the valve stem position is relatively heavier. Aligning them during installation helps balance the tire, reducing vibrations and wear during driving. In my auto repair practice, I've encountered many cases where customers ignored this, leading to wheel imbalance and causing steering wheel shaking at high speeds. Although modern tire technology has improved and exact alignment isn't always mandatory—as repair shops can adjust with counterweights—it's still recommended to do so for time and cost savings. Remember to remind the installer to check the yellow dot position and align it with the valve every time new tires are fitted. Additional reminder: regular dynamic balance testing can prevent issues, avoiding premature tire wear and damage to other components. Developing good habits leads to smoother driving.

I've been driving for decades and have changed tires numerous times. At first, I didn't understand what the yellow dot was and didn't align it with the valve stem, which resulted in the tire running off-center, causing a humming noise and increased fuel consumption. The repair shop told me that the yellow dot marks the lightest point of the tire and should be aligned with the heavier valve stem for better balance. After trying this, the vibrations reduced significantly. While it's not absolutely mandatory, I strongly recommend aligning them. Ignoring it may accelerate tire wear and increase maintenance costs. As an experienced driver, I've learned that these small details are crucial. At high speeds, tire imbalance can cause steering wheel wobble, posing significant safety risks. Always check when installing new tires and pair it with regular maintenance to extend their lifespan.

When installing tires at home, I noticed the yellow dot marking the lightest spot should align with the valve stem for wheel balancing. Proper alignment ensures smoother driving with less vibration. While not mandatory, aligning them saves hassle. Modern tire manufacturing improvements may reduce the impact, but it's still best to align them. If you're doing it yourself, just check that the label aligns with the valve to avoid future issues. Well-balanced tires also tend to last longer.


