Gradually, the stem valve may become brittle and fractured, increasing the likelihood of air leaks Overall, the valve stem acts as the tire's air passageway, enabling inflation maintenance and pressure adjustments. It seemed to get worse after i tried depressing the valve a few times to.
How To Fix A Valve Stem From Leaking at Layla Rowland blog
Here are some common signs
If it moves easily, it may need tightening.
If your tubeless setup has sprung an air leak at the valve stem, i encourage you to try this method to see if it works for you Let me know in the comments if you had good luck with it! The valve core is a small, threaded metal piece located at the end of the valve stem It contains a small rubber or metal valve that regulates the flow of air in and out of the tire
The valve cap protects the valve stem from dirt and debris, while the valve stem seal prevents air from leaking around the valve stem itself. To fix a leaking valve stem, you can use temporary solutions like a sealant or valve cap tightening The valve stem also allows controlled air release from the tire by pressing on the valve core pin with a slender object like a tire pressure gauge This is how tire pressure is checked and lowered if needed
