系统提示：若遇到视频无法播放请点击下方链接 https://www.youtube.com/embed/1XGTJmoskbw?showinfo=0 You may try to clean it first. For an old valve, the gasket may be worn out already so cleaning will not work. We will show two different ways to fix it, either rebuilding it or replacing it. Rebuilding is cheaper and requires less time than replacement.
系统提示：若遇到视频无法播放请点击下方链接
https://www.youtube.com/embed/1XGTJmoskbw?showinfo=0
You may try to clean it first. For an old valve, the gasket may be worn out already so cleaning will not work. We will show two different ways to fix it, either rebuilding it or replacing it. Rebuilding is cheaper and requires less time than replacement.