How to Find a Slow Tire Valve Leak with Soapy Water
Alex and Emma explain how to safely diagnose a slow tire leak at the valve stem using simple soapy water and a pressure gauge. Learn the difference between valve core leaks, stem base issues, and bead problems before visiting a tire shop.
In this episode
Set tire pressure based on the vehicle door placard, never the tire sidewall maximum.
Check cold tires parked on firm, level ground away from traffic.
Apply soapy water to both the valve opening and the stem base to spot growing bubbles.
Static suds are harmless, but continuously expanding bubbles confirm escaping air.
Tire sealant and valve…
The skinny
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