What Causes Yellowing of Tires?

1 Answers
DelJuliet
07/29/25 1:03pm
The causes of tire yellowing are as follows: 1. Brake pad powder metal rust: Since brake pads contain iron, they wear and produce powder during braking. When this powder comes into contact with water, it forms rusty water that flows to the side of the tire. Over time, the sidewall will turn yellow; 2. Dust marks: If the tires frequently enter and exit construction sites, the sidewalls are prone to yellowing. Without a regular vehicle cleaning habit, a yellowish tint from the soil can seep into the tire rubber, making it difficult to clean, but this is a normal yellowing condition; 3. Tire wax oxidation yellowing: Since new tires are coated with a layer of tire wax, vehicles often parked outdoors are susceptible to sidewall yellowing because the tire wax oxidizes and turns yellow in high-temperature open-air environments; Extended information: Daily tire maintenance: 1. Choose radial tires with softer carcasses and tubeless tires; 2. Use low-pressure tires that offer better ride comfort and steering stability; 3. Regularly check tire pressure according to the manufacturer's guidelines and seasonal changes, preferably every two weeks. Tire pressure can be measured with a tire pressure gauge when the tires are at normal temperature; 4. Allow tire temperature to cool naturally; do not release air or pour cold water; 5. Rotate tires regularly according to their performance and driving conditions to balance stress; 6. Perform regular four-wheel alignment; 7. Promptly remove debris such as stones, glass, nails, etc., embedded in the tire surface.
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