What to Do When the Outer Side of the Tire Turns Yellow Like Rust?

1 Answers
Lukas
07/29/25 3:57pm
Tire yellowing resembling rust on the outer side can be addressed by using a tire brush along with a cleaner to thoroughly clean the wheel and tire sidewalls, removing the yellow stains. Then, use a lint-free soft cloth to dry the area, and finally apply a tire protectant. The reasons for yellowing on the outer side of the tire are as follows: 1. Brake pad metal powder rust: Since brake pads contain iron, friction during braking generates powder, which turns into rust when exposed to water and flows onto the tire sidewalls, causing yellowing over time. 2. Mud stains: Tires are the "shoes" of a vehicle. If frequently driven in construction sites or similar environments, the tire sidewalls are prone to yellowing. Without regular cleaning habits, mud stains can seep into the tire rubber, making them difficult to clean, though this is a normal yellowing condition. 3. Tire wax oxidation yellowing: New tires are often coated with a layer of tire wax. Vehicles frequently parked outdoors may experience yellowing on the tire sidewalls due to oxidation of the wax under high temperatures in open environments. 4. Protectant or premature rubber aging yellowing: This is an abnormal phenomenon, typically occurring when a protectant is applied directly to an uncleaned tire, accelerating the aging process and causing yellowing. Additionally, the use of retreaded tires can lead to premature aging and yellowing signs.
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