Why does the tire pressure drop a few days after inflation?

1 Answers
VanJulianna
07/29/25 5:08pm
The reasons for the tire pressure dropping a few days after inflation are as follows: 1. Tire leakage: Observe the position of the valve stem, as the sealing ring of the valve stem is the most prone to aging and leakage. You can apply some soapy water to the valve stem; if there is a leak, bubbles will appear in the soapy water. 2. Leakage at the gap between the tire and the rim: This is mainly due to issues with the rim. If there are slight scratches or deformations at the cold bend, the sealing performance will deteriorate, leading to slow leakage. In such cases, the tire usually needs to be completely removed and submerged in water to observe where the leak is occurring.
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